Mara Grace Downing is a Student in an Organized Health Care Education/Training Program practicing in O Fallon, Illinois. The National Provider Identifier (NPI) is #1003756461, which was assigned on March 28, 2026, and the registration record was last updated on March 28, 2026. The practitioner's main practice location is at 3 Saint Elizabeth Blvd Ste 4000, O Fallon, IL 62269-1284; the contact telephone number is 6182335480, and the fax number is 1844458791. The primary taxonomy of Mara Grace Downing is Student in an Organized Health Care Education/Training Program (390200000X).
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
| NPI | 1003756461 |
| Entity Type | Individual |
| Provider Name | MARA GRACE DOWNING |
| Other Name |
MARA GRACE KELLER (Former Name) |
| Gender | Female |
| Credential | MD |
| Practice Address |
3 Saint Elizabeth Blvd Ste 4000 O Fallon IL 62269-1284 |
| Practice Telephone | 6182335480 |
| Practice Fax Number | 1844458791 |
| Mailing Address |
3 Saint Elizabeth Blvd Ste 4000 O Fallon IL 62269-1284 |
| Mailing Telephone | 6182335480 |
| Mailing Fax Number | 1844458791 |
| Certification Date | 2026-03-28 |
| Enumeration Date | 2026-03-28 |
| Last Update Date | 2026-03-28 |
| Is Sole Proprietor | N |
| Primary | Code | Classification | Specialization | Taxonomy Group | License Number | License State |
|---|---|---|---|---|---|---|
| Y | 390200000X | Student in an Organized Health Care Education/Training Program |
| Code | 390200000X |
| Taxonomy | Student in an Organized Health Care Education/Training Program |
| Classification | Student in an Organized Health Care Education/Training Program |
| Grouping | Student, Health Care |
| Definition: An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care. |
| Notes: [1/1/2005: new] |
| Provider Name | Address | Taxonomy | Enumeration Date |
|---|---|---|---|
| Gregory Wright Hubbard Jr. | 593 Eddy St, Providence, RI 02903-4923 | Student in an Organized Health Care Education/Training Program | 2026-06-06 |
| Varsha Vintu Maliyil | 3600 N Garfield St, Midland, TX 79705-6329 | Student in an Organized Health Care Education/Training Program | 2026-06-06 |
| Nishanth Chalasani | 4590 Nash Way, Saint Louis, MO 63110-1020 | Student in an Organized Health Care Education/Training Program | 2026-06-06 |
| Eric Haigh | 650 E Indian School Rd, Phoenix, AZ 85012-1839 | Student in an Organized Health Care Education/Training Program | 2026-06-06 |
| Kyle Kloeppel | 5850 E Still Cir, Mesa, AZ 85206-3618 | Student in an Organized Health Care Education/Training Program | 2026-06-06 |
| Annelise Betty Cox | 1919 7th Ave S, Birmingham, AL 35233-2005 | Student in an Organized Health Care Education/Training Program | 2026-06-06 |
| Harrison Scott Graber | 1919 7th Ave S, Birmingham, AL 35233-2005 | Student in an Organized Health Care Education/Training Program | 2026-06-06 |
| Allison Paige Burke | 1115 W Call St, Tallahassee, FL 32304-3556 | Student in an Organized Health Care Education/Training Program | 2026-06-06 |
| Brannen Carlile King | 1115 W Call St, Tallahassee, FL 32304-3556 | Student in an Organized Health Care Education/Training Program | 2026-06-06 |
| Jeniffer Esmeralda Mendez | 3600 N Garfield St, Midland, TX 79705-6329 | Student in an Organized Health Care Education/Training Program | 2026-06-06 |
| Find all providers with the same taxonomy | |||
| Street Address |
3 SAINT ELIZABETH BLVD STE 4000 |
| City | O FALLON |
| State | IL |
| Zip Code | 62269-1284 |
| Country | US |
| Provider Name | Address | Taxonomy | Enumeration Date |
|---|---|---|---|
| Alex Brandon Belongy | 3 Saint Elizabeth Blvd Ste 4000, O Fallon, IL 62269-1284 | Student in an Organized Health Care Education/Training Program | 2024-03-04 |
| Karina Nava | 3 Saint Elizabeth Blvd Ste 4000, O Fallon, IL 62269-1284 | Student in an Organized Health Care Education/Training Program | 2025-09-26 |
| Twyla Tian-Le Lee | 3 Saint Elizabeth Blvd Ste 4000, O Fallon, IL 62269-1284 | Student in an Organized Health Care Education/Training Program | 2024-12-24 |
| Kort Guillette | 3 Saint Elizabeth Blvd Ste 4000, O Fallon, IL 62269-1284 | Student in an Organized Health Care Education/Training Program | 2025-05-16 |
| Maria Ochiai | 3 Saint Elizabeth Blvd Ste 4000, O Fallon, IL 62269-1284 | Student in an Organized Health Care Education/Training Program | 2024-12-31 |
| Salsapela Hiytham Shaban | 3 Saint Elizabeth Blvd Ste 4000, O Fallon, IL 62269-1284 | Student in an Organized Health Care Education/Training Program | 2026-03-26 |
| Blake Laird | 3 Saint Elizabeth Blvd Ste 4000, O Fallon, IL 62269-1284 | Student in an Organized Health Care Education/Training Program | 2024-03-18 |
| Luke Brechner | 3 Saint Elizabeth Blvd Ste 4000, O Fallon, IL 62269-1284 | Student in an Organized Health Care Education/Training Program | 2025-01-09 |
| Mandy Weaver | 3 Saint Elizabeth Blvd Ste 4000, O Fallon, IL 62269-1284 | Student in an Organized Health Care Education/Training Program | 2026-02-12 |
| Alexandria Maria Lovell · Alexandria Maria Jenkins | 3 Saint Elizabeth Blvd Ste 4000, O Fallon, IL 62269-1284 | Student in an Organized Health Care Education/Training Program | 2024-03-18 |
| Find all providers in the same location | |||
| Provider Name | Address | Taxonomy | Enumeration Date |
|---|---|---|---|
| Robinder Singh Sahi | 3 St. Elizabeth Blvd, Suite 400, O'Fallon, IL 62269-1284 | Hospitalist Physician | 2019-05-13 |
| Provider Name | Address | Taxonomy | Enumeration Date |
|---|---|---|---|
| Umer Farooq Orakzai | 3 St Elizabeth Blvd, Suite 4000, O Fallon, IL 62269 | Student in an Organized Health Care Education/Training Program | 2026-04-28 |
| Pawelle Kole | 643 N Main St, Suite 4, O'Fallon, IL 62269 | Behavior Technician | 2024-04-03 |
| Danielle Schoenbacher | 600 Smiley St, O'Fallon, IL 62269 | Athletic Trainer | 2022-07-14 |
| Amaris Evans · Amaris Bordes | Acorn Health of Illinois, LLC 6 Eagle Center Dr, Ste: 1, Ofallon, IL 62269 | Behavior Technician | 2021-02-01 |
| Washington University Physicians In Illinois, Inc | 1418 Cross Street, Suite 180, Shiloh, IL 62269 | Pharmacy | 2020-02-19 |
| Fatima Ahmad | 3 St. Elizabeth's Blvd., Suite 4000, O'Fallon, IL 62269 | Student in an Organized Health Care Education/Training Program | 2026-04-27 |
| Ashley Monique Gibson | Eagle Center, Ste 10, Ofallon, IL 62269 | Behavior Technician | 2020-09-03 |
| Jayden Patricia Ann Ashford | 1716 Corporate Crossing, Suit 3, Ofallon, IL 62269 | Behavior Technician | 2024-10-25 |
| Blessing Chinyere Iheme | 3 Saint Elizabeth's Blvd, Suite 4000, O'Fallon, IL 62269 | Student in an Organized Health Care Education/Training Program | 2026-04-13 |
| Latisha Smith | 600 S. Smiley St., O'Fallon, IL 62269 | School Psychologist | 2017-11-30 |
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| Provider Name | Address | Taxonomy | Enumeration Date |
|---|---|---|---|
| Mara A Vasquez · Mara Amabilia Basquez Pimentel | 1315 N Broadwell Ave, Grand Island, NE 68803-3052 | Personal Care Attendant | 2026-05-26 |
| Mara A Devia | 462 Grider St, Buffalo, NY 14215-3098 | Student in an Organized Health Care Education/Training Program | 2026-04-13 |
| Mara Trumble | 2375 Pennsylvania Blvd, Green River, WY 82935-6137 | Pharmacist | 2026-03-04 |
| Mara Hoyle · Mara Mcleester | 1468 Gloria Dr, Santa Rosa, CA 95407-7456 | Registered Nurse | 2026-03-04 |
| Mara E Tynan | 325 9th Ave, Seattle, WA 98104-2499 | Rehabilitation Psychologist | 2026-04-22 |
| Mara L Cicarella | 3 Liesl Ln, Branford, CT 06405-3036 | Occupational Therapist | 2026-04-16 |
| Grace Mara Williamson | 2802 Broadway, Everett, WA 98201-3642 | Counselor | 2026-03-30 |
| Mara Puglisi | 19 Hidden Valley Dr, Newark, DE 19711-7463 | Health & Wellness Coach | 2026-06-03 |
| Mara Jones | 1622 Chestnut St, West Bend, WI 53095-3014 | Professional Counselor | 2026-06-03 |
| Mara Heiden | 1016 Mercury Drive, Co Springs, CO 80905 | Lactation Consultant (Non-RN) | 2023-06-26 |
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This dataset includes over five million health care providers who are assigned National Provider Identifier (NPI) in the National Plan and Provider Enumeration System (NPPES), developed by the Centers for Medicare & Medicaid Services (CMS). Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under Health Insurance Portability and Accountability Act (HIPAA). Each provider is registered with the NPI, full name, status, address, taxonomy, other identifiers, etc.
| Subject | Transparency and Disclosure |
| Jurisdiction | Federal |
| Data Provider | National Plan and Provider Enumeration System (NPPES), by the Centers for Medicare & Medicaid Services (CMS) |
| Source | download.cms.gov |
The National Provider Identifier (NPI) is a Health Insurance Portability and Accountability Act (HIPAA) Administrative Simplification Standard. The NPI is a unique identification number for covered health care providers and all health plans and health care clearinghouses, who must use the NPIs in the administrative and financial transactions adopted under HIPAA. The NPI is a 10-position, intelligence-free numeric identifier (10-digit number). All health care providers who are HIPAA-covered entities, whether individuals or organizations, must get an NPI. A HIPAA-covered entity is a health care provider that conducts certain transactions in electronic form, or a health care clearinghouse, or a health plan (including commercial plans, Medicare, and Medicaid). Centers for Medicare & Medicaid Services (CMS) has developed the National Plan and Provider Enumeration System (NPPES) to assign unique identifiers to health care providers. The National Provider Indentifier (NPI) has been the standard identifier for all HIPAA-covered entities (health care providers) since May 23, 2007. Small health plans were required to obtain and use an NPI by May 23, 2008. This dataset includes over five million health care providers (individuals and organizations) who are assigned NPI. The provider data elements are disclosed to the public by the Centers for Medicare & Medicaid Services (CMS) under the Freedom of Information Act (FOIA), as listed in the NPPES Data Dissemination Notice (CMS-6060-N). The NPI final rules define the following elements which required to be disclosed as determined by Department of Health & Human Services (HHS): NPI, Entity Type, Provider Name, Credential, Business Mailing Address, Business Location Address, Healthcare Provider Taxonomy Code, Other Provider Identifier, Provider Enumeration Date, NPI Deactivation Date, Provider License Number, Authorized Official Name and Contact Information. |