Oxana Vassiltsova is a Mental Health Counselor practicing in Marlborough, Massachusetts. The National Provider Identifier (NPI) is #1093514820, which was assigned on March 12, 2025, and the registration record was last updated on July 4, 2025. The practitioner's main practice location is at 33 Boston Post Rd W, Marlborough, MA 01752-1867; the contact telephone number is 5088243673. The primary taxonomy of Oxana Vassiltsova is Mental Health Counselor (101YM0800X), with specialization in Mental Health.
| NPI | 1093514820 |
| Entity Type | Individual |
| Provider Name | OXANA VASSILTSOVA |
| Gender | Female |
| Practice Address |
33 Boston Post Rd W Marlborough MA 01752-1867 |
| Practice Telephone | 5088243673 |
| Mailing Address |
33 Boston Post Rd W Marlborough MA 01752-1867 |
| Mailing Telephone | 5088243673 |
| Certification Date | 2025-07-04 |
| Enumeration Date | 2025-03-12 |
| Last Update Date | 2025-07-04 |
| Is Sole Proprietor | N |
| Primary | Code | Classification | Specialization | Taxonomy Group | License Number | License State |
|---|---|---|---|---|---|---|
| Y | 101YM0800X | Counselor | Mental Health |
| Code | 101YM0800X |
| Taxonomy | Mental Health Counselor |
| Classification | Counselor |
| Specialization | Mental Health |
| Grouping | Behavioral Health & Social Service Providers |
| Definition: Definition to come... |
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|---|---|---|---|
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| Atira Tsahai Smith | 3400 Tamiami Trl N Ste 202, Naples, FL 34103-3717 | Mental Health Counselor | 2026-04-11 |
| Samantha Serbin PLLC | 1464 E Whitestone Blvd Ste 1101, Cedar Park, TX 78613-9070 | Mental Health Counselor | 2026-04-11 |
| Sydney Walz · Sydney Burns | 6441 Bryn Mawr Dr, Los Angeles, CA 90068-2810 | Mental Health Counselor | 2026-04-11 |
| Jeffrey Cheung | 125 Hartwell Ave, Lexington, MA 02421-3100 | Mental Health Counselor | 2026-04-11 |
| Chassidy Palma | 2808 Enterprise Rd Ste 105, Debary, FL 32713-2753 | Mental Health Counselor | 2026-04-11 |
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| Street Address |
33 BOSTON POST RD W |
| City | MARLBOROUGH |
| State | MA |
| Zip Code | 01752-1867 |
| Country | US |
| Provider Name | Address | Taxonomy | Enumeration Date |
|---|---|---|---|
| Julianna Frances Kinslow | 33 Boston Post Rd W, Marlborough, MA 01752-1867 | Mental Health Counselor | 2025-05-23 |
| Helen Bugaev | 33 Boston Post Rd W Ste 420, Marlborough, MA 01752-1853 | Mental Health Counselor | 2025-08-22 |
| Mairead Weagle | 33 Boston Post Rd W Ste 420, Marlborough, MA 01752-1853 | Mental Health Counselor | 2025-11-25 |
| Provider Name | Address | Taxonomy | Enumeration Date |
|---|---|---|---|
| Nina Celeste Amata | 157 Union St, Marlborough, MA 01752-1228 | Clinical Social Worker | 2021-08-20 |
| Jewell Eye Inc | 601 Donald Lynch Blvd, Marlboro, MA 01752 | Optometrist | 2007-11-27 |
| Donna L Gerry | 126 Union St, Marlborough, MA 01752-1207 | Nurse Practitioner | 2006-03-20 |
| Louis Kuchnir Mdpc | 11 Apex Drive, Suite 103a, Marlborough, MA 01752 | Specialist | 2011-06-22 |
| Bridgepath Nursing and Wellness Services LLC | 10 Apex Drive, Suite 300a Pmb 2063, Marlborough, MA 01752 | Home Health Agency | 2025-08-01 |
| Janel Thies | 255 Cedar Hill St, Suite 200, Marlborough, MA 01752 | Behavior Technician | 2026-03-31 |
| Kenia Bernice Valentin I | 255 Cedar Hill Street, Suite 200, Marlborough, MA 01752 | Behavior Technician | 2025-08-01 |
| Umass Memorial Mri & Imaging Center LLC | 157 Union St Ste 100, Marlborough, MA 01752-1228 | Mobile Radiology Clinic/Center | 2023-07-19 |
| Amoy Shadae Edwards | 225 Cedar Hill St, Suit200, Marlborough, MA 01752, UM | Behavior Technician | 2026-03-19 |
| Angel Idiculla | 126 Union St, Marlborough, MA 01752-1207 | Dentist | 2024-03-29 |
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| Provider Name | Address | Taxonomy | Enumeration Date |
|---|---|---|---|
| Oxana Rusu | 8300 Health Park Ste 10, Raleigh, NC 27615-4731 | Behavioral Analyst | 2023-05-10 |
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| Oxana Zarudskaya · Oxana Litvak | 2142 N Cove Blvd, Toledo, OH 43606-3895 | Maternal & Fetal Medicine Physician | 2018-03-21 |
| Oxana Grosheva | 7333 International Pl, Lakewood Ranch, FL 34240-8418 | Behavior Technician | 2025-09-16 |
| Oxana V. Norvell · Oxana Norvell | 501 E Hampden Ave, Englewood, CO 80113-2702 | Hospitalist Physician | 2009-10-14 |
| Ksenia Kopeikin · Oxana Kopeikin | 3006 Bee Caves Rd Ste D310, Austin, TX 78746-5753 | Counseling Psychologist | 2009-08-17 |
| Oxana P Ryder · Oxana Petrovna Ryder | 10809 211th Avenue Ct E, Bonney Lake, WA 98391-6656 | Specialist | 2010-03-09 |
| Oxana Danysheva | 2185 Lemoine Ave Ste 1h, Fort Lee, NJ 07024-6030 | Psychiatric/Mental Health Nurse Practitioner | 2026-02-24 |
| Oxana Kraynyak · Oksana Matiyash | 307 W 38th St, New York, NY 10018-2913 | Nutrition Education Nutritionist | 2025-04-23 |
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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. |