Walter Reed National Military Medical Center is a Family Nurse Practitioner (organization) practicing in Bethesda, Maryland. The National Provider Identifier (NPI) is #1598616302, which was assigned on February 6, 2026, and the registration record was last updated on February 6, 2026. The practitioner's main practice location is at 4954 N Palmer Rd, Bldg 19, 3rd Floor, Bethesda, MD 20889-5630; the contact telephone number is 3013192900. The primary taxonomy of Walter Reed National Military Medical Center is Family Nurse Practitioner (363LF0000X), with specialization in Family. The authorized official for Walter Reed National Military Medical Center is Jeffrey L Fennewald (Department Chief, Msso).
| NPI | 1598616302 |
| Entity Type | Organization |
| Organization Name | WALTER REED NATIONAL MILITARY MEDICAL CENTER |
| Provider Name | WALTER REED NATIONAL MILITARY MEDICAL CENTER |
| Practice Address |
4954 N Palmer Rd Bldg 19, 3rd Floor Bethesda MD 20889-5630 |
| Practice Telephone | 3013192900 |
| Mailing Address |
4954 N Palmer Rd Bethesda MD 20889-5630 |
| Mailing Telephone | 3013192900 |
| Certification Date | 2026-02-06 |
| Enumeration Date | 2026-02-06 |
| Last Update Date | 2026-02-06 |
| Is Organization Subpart | N |
| Official Name | JEFFREY L FENNEWALD |
| Official Title | DEPARTMENT CHIEF, MSSO |
| Telephone | 3012952737 |
| Primary | Code | Classification | Specialization | Taxonomy Group | License Number | License State |
|---|---|---|---|---|---|---|
| Y | 363LF0000X | Nurse Practitioner | Family | 193200000X MULTI-SPECIALTY GROUP |
| Code | 363LF0000X |
| Taxonomy | Family Nurse Practitioner |
| Classification | Nurse Practitioner |
| Specialization | Family |
| Grouping | Physician Assistants & Advanced Practice Nursing Providers |
| Definition: Definition to come... |
| Provider Name | Address | Taxonomy | Enumeration Date |
|---|---|---|---|
| Kristy Ann Bolster | 9333 Imperial Hwy, Downey, CA 90242-2812 | Family Nurse Practitioner | 2026-02-07 |
| Gia Guerard | Po Box 684, Cape Neddick, ME 03902-0684 | Family Nurse Practitioner | 2026-02-07 |
| Beatriz Parra | 2323 Grand Ave, Waukegan, IL 60085-3312 | Family Nurse Practitioner | 2026-02-07 |
| Ulises Javier Perez | 40 75th St, Willowbrook, IL 60527-2325 | Family Nurse Practitioner | 2026-02-06 |
| Natalie Istam Benyaminov | 10205 65th Rd, Forest Hills, NY 11375-1740 | Family Nurse Practitioner | 2026-02-07 |
| Zuhra Khan | 10807 Balboa Blvd, Granada Hills, CA 91344-5004 | Family Nurse Practitioner | 2026-02-06 |
| Erin K Mack | 5739 Barclay Ln, Milford, OH 45150-3403 | Family Nurse Practitioner | 2026-02-07 |
| Onpoint Care Solutions LLC | 1120 S 6th St Ste 110, Saint Louis, MO 63104-3602 | Family Nurse Practitioner | 2026-02-06 |
| Shelby Atwell | 117 W South St, Munfordville, KY 42765-9084 | Family Nurse Practitioner | 2026-02-06 |
| Nneka Nnodim | 3110 S Durango Dr Ste 200, Las Vegas, NV 89117-9198 | Family Nurse Practitioner | 2026-02-07 |
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| Street Address |
4954 N PALMER RD BLDG 19, 3RD FLOOR |
| City | BETHESDA |
| State | MD |
| Zip Code | 20889-5630 |
| Country | US |
| Provider Name | Address | Taxonomy | Enumeration Date |
|---|---|---|---|
| Jon Thomas Heald | 4954 N Palmer Rd Bldg 19, Bethesda, MD 20889-5630 | Internal Medicine Physician | 2019-05-14 |
| Walter Reed National Military Medical Cntr | 4954 N Palmer Rd, Bldg 19, Room 3460, Bethesda, MD 20889-5630 | Military Hospital | 2014-02-27 |
| Theodora Catherine Dworak | 4954 N Palmer Rd, Bethesda, MD 20889-5600 | Orthopaedic Foot and Ankle Surgery Physician | 2012-06-13 |
| Kyle Stuart Bruun | 4954 N Palmer Rd, Bethesda, MD 20889-5630 | Military Health Care Provider | 2024-03-11 |
| Madison Ashley Hostetter | 4954 N Palmer Rd Bldg 193, Bethesda, MD 20889-5650 | Hematology & Oncology Physician | 2022-06-02 |
| Venkatesh Dhananjay Handratta | 4954 N Palmer Rd Bldg 19, Bethesda, MD 20889-5630 | Psychiatry Physician | 2007-08-20 |
| Provider Name | Address | Taxonomy | Enumeration Date |
|---|---|---|---|
| Gregory Thomas Chesnut | Walter Reed National Military Medical Center, 4954 Nort Palmer Rd, Bethesda, MD 20889-5630 | Urology Physician | 2010-06-09 |
| Provider Name | Address | Taxonomy | Enumeration Date |
|---|---|---|---|
| Katherine Jonnie Lee | 8901 Wisconsin Ave, Bethesda, MD 20889 | Emergency Medicine Physician | 2014-02-18 |
| Dmitriy Treyster | Anesthesiology - Walter Reed National Mmc, 8901 Wisconsin Avenue, Bethesda, MD 20889 | Anesthesiology Physician | 2014-10-30 |
| Nicholas Pyskir | 8901 Rockville Pike, Attn Gs&O, Bethesda, MD 20889 | Obstetrics & Gynecology Physician | 2019-06-11 |
| Ian Lee | Walter Reed National Military Medical Center, 8901 Wisconsin Avenue, Fpo, AA 20889 | General Practice Physician | 2023-03-14 |
| Grace Manno | 8901 Wisconsin Avenue, Bethesda, MD 20889 | General Practice Physician | 2024-03-12 |
| Anna Noel Romagnoli | 8901 Wisconsin Avenue, Bethesda, MD 20889 | Surgical Critical Care Physician | 2012-08-29 |
| Brittney Pinckney | 8901 Rockville Pike, Bethesda, MD 20889 | Clinical Social Worker | 2022-02-18 |
| Karl Anton Soderlund | Walter Reed National Military Medical Center, 8901 Wisconsin Ave, Bethesda, MD 20889 | Neuroradiology Physician | 2009-06-09 |
| Juyeon Kakazu | Walter Reed National Military Medical Center, 8901 Wisconsin Avenue, Bethesda, MD 20889 | General Practice Physician | 2023-04-27 |
| Kelsey Grolig | 8955 Wood Road, Building 1, 19th Floor, Room 19123, Bethesda, MD 20889 | Military Health Care Provider | 2022-05-31 |
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| Provider Name | Address | Taxonomy | Enumeration Date |
|---|---|---|---|
| City of Hope National Medical Center | 1500 Duarte Rd, Duarte, CA 91010-3012 | General Acute Care Hospital | 2007-11-29 |
| The National Medical Rentals, Inc. | 1871 Briarcrest Dr, Bryan, TX 77802-3453 | Parenteral & Enteral Nutrition Supplies (DME) | 2006-02-21 |
| Walter Reed National Military Medical Cntr | Psc Box 509 Code 6300, 8901 Wisconsin Avenue, Bethesda, MD 20889-0001 | Military General Acute Care Hospital | 2006-03-31 |
| National Speech Language Therapy Center | 20400 Observation Dr Ste 104, Germantown, MD 20876-4086 | Behavioral Analyst | 2018-04-21 |
| National Foot and Ankle Center Professional Corporation | 14981 National Ave Ste 2, Los Gatos, CA 95032-2600 | Foot & Ankle Surgery Podiatrist | 2025-06-13 |
| National Medical Response LLC | 2621 Lipan St, Corpus Christi, TX 78408-3820 | Non-emergency Medical Transport (VAN) | 2025-10-30 |
| Mike O'Callaghan Military Medical Center | 4700 Las Vegas Blvd N, Nellis Afb, NV 89191-6600 | Independent Duty Medical Technicians | 2025-09-10 |
| City of Hope National Medical Center | 1500 Duarte Rd, Duarte, CA 91010-3012 | General Acute Care Hospital | 2006-03-03 |
| National Medical Rehabilitation | 9400 Livingston Rd Ste 450, Fort Washington, MD 20744-4905 | Clinic/Center | 2005-12-02 |
| Walter Reed National Military Medical Cntr | 8901 Wisconsin Ave, Psc Box 509 Code 6300, Bethesda, MD 20889-5600 | Military Hospital | 2010-09-30 |
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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. |