Active NPIIndividual providerSole proprietor

Mrs. Marissa L Osorio, WHNP

Nurse Practitioner, Women's Health in Winchester, Massachusetts

NPI Number1770273591
Practice location
1021 Main St Ste 102, Winchester, MA 01890-1971
Fax
—
Last updated
October 13, 2026

Marissa L Osorio is a Nurse Practitioner, Women's Health based in Winchester, MA. Marissa L Osorio practices in Winchester, MA and has the professional credentials of WHNP. The NPI Number for Marissa L Osorio is 1770273591 and holds a License No. RN2328964 (MA). The current practice location address for Marissa L Osorio is 1021 Main St Ste 102, Winchester, MA 01890-1971 and can be reached out via phone at 781-721-4701.

Provider Profile Details

NPI Number
1770273591
Provider Name
Marissa L Osorio
Credential
WHNP
Provider Entity Type
Individual
Gender
Female
Address
1021 Main St Ste 102, Winchester, MA 01890-1971
Phone Number
781-721-4701
Primary Taxonomy
Nurse Practitioner, Women's Health · 363LW0102X
Sole Proprietor
Yes
Provider Enumeration Date
May 15, 2023
Last Update Date
October 13, 2026
Certification Date
October 13, 2026
NPI Status
Active

Provider Business Practice Location Address Details

Address
1021 Main St Ste 102
Winchester, MA 01890-1971
Zip
01890-1971
Phone Number
781-721-4701
Winchester, MA 01890Get directions →

Provider Business Mailing Address Details

Address
100 Cambridge St
Boston, MA 02114-2509
City
Boston
State
MA
Zip
02114-2509
Phone Number
888-731-8994

License Information

License Number
RN2328964
License State
MA
Taxonomy
Nurse Practitioner, Women's Health · 363LW0102X · Primary

Legacy Identifiers

IdentifierTypeStateIssuer
No legacy identifiers (Medicaid, Medicare or plan IDs) are on file for this provider.

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Frequently Asked Questions

What is the NPI number of Mrs. Marissa L Osorio, WHNP?

The NPI number of Mrs. Marissa L Osorio, WHNP is 1770273591. It was assigned on May 15, 2023 and is currently active in the NPPES registry.

What is the specialty of Mrs. Marissa L Osorio, WHNP?

Mrs. Marissa L Osorio, WHNP is registered under the primary taxonomy Nurse Practitioner, Women's Health (code 363LW0102X), licensed in MA under license number RN2328964.

Where does Mrs. Marissa L Osorio, WHNP practice?

The practice location is 1021 Main St Ste 102, Winchester, MA 01890-1971. The office can be reached at 781-721-4701 (phone).

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). It is used in HIPAA standard transactions.

How do I verify this NPI record?

This record is sourced from the public NPPES NPI Registry maintained by CMS. You can confirm it by searching NPI 1770273591 directly on the NPPES registry website.

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