1. Home
  2. Directory
  3. New York
  4. Oneida
  5. Internal Medicine
  6. NPI Profile

ONEIDA MEDICAL ASSOCIATES PLLC
NPI 1255338018
Internal Medicine in Oneida, NY

Active since July 07, 2005
600 SENECA ST, ONEIDA, NY 13421(315) 363-1345(315) 363-9243 Get Directions Write a Review

NPPES record last updated: October 8, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Oneida Medical Associates Pllc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ONEIDA MEDICAL ASSOCIATES PLLC (NPI 1255338018) is a healthcare organization registered as an internal medicine in Oneida, New York and active in the NPI registry since July 2005. The organization lists Daniel M Ratnarajah, Officer, as its authorized official.

NPPES Registry Identity

NPI1255338018
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameONEIDA MEDICAL ASSOCIATES PLLC
Location Address600 SENECA STOneida, NY 13421-2668
Mailing Address600 Seneca StOneida, NY 13421-2668 · (315) 363-1345 · Fax (315) 363-9243
Phone(315) 363-1345
Fax(315) 363-9243
Organization SubpartNo
Authorized OfficialDaniel M RatnarajahOfficer · (315) 363-1345
Enumeration DateJuly 7, 2005
Last NPPES UpdateOctober 8, 2014
✔ NPI 1255338018 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in NY · 197066✔ Licensed in NY · 208658✔ Licensed in NY · 207468✔ Licensed in NY · 251577✔ Licensed in NY · 263623
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedFamily MedicineTaxonomy 207Q00000X · License 249242 (NY)
Also ListedInternal Medicine · RheumatologyTaxonomy 207RR0500X · License 207468 (NY)
600 SENECA ST, Oneida, NY 13421
Open in Google Maps ↗

Other Identifiers 5

Medicare PINAA0188NY
Medicare UPING52543NY
Medicare UPING31490NY
Medicare UPINF96797NY
Medicare PINJ00000440NY

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Oneida Medical Associates Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Oneida Medical Associates PLLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 4 within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Linda Clifford, FNP-C
Nurse Practitioner
NPI 1336237577
600 SENECA ST
Oneida, NY 13421
(315) 336-6800
✔ PECOSSame address
Marina Anne Martyn, MD
Internal Medicine
NPI 1023043791
600 SENECA STREET ONEIDA MEDICAL ASSOCIATES PLLC
Oneida, NY 13421
(315) 363-1346
✔ PECOSSame address
Ofrona Reid, M.D.
Hospitalist
NPI 1750529103
321 GENESEE ST
Oneida, NY 13421
(315) 361-2084
✔ PECOS✔ Accepts Medicare0.1 mi
Daniel Ratnarajah, MD
Internal Medicine
NPI 1023043858
ONEIDA MEDICAL ASSOCIATES PLLC 600 SENECA STREET
Oneida, NY 13421
(315) 363-1345
✔ PECOS✔ Accepts Medicare2.9 mi
Maureen Schroettner, FNP-C
Nurse Practitioner
NPI 1326617515
1947 MADISON ST
Clarksville, TN 37043
(931) 614-7169
✔ PECOS✔ Accepts Medicare766 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Oneida Medical Associates PLLC's NPI number?

The NPI number for Oneida Medical Associates PLLC is 1255338018. It was assigned to this organization in the NPPES registry on July 7, 2005.

Where is Oneida Medical Associates PLLC located?

Oneida Medical Associates PLLC is located at 600 Seneca St, Oneida, NY 13421. The listed phone number is (315) 363-1345.

What is Oneida Medical Associates PLLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Oneida Medical Associates PLLC enrolled in Medicare?

Yes. Oneida Medical Associates PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Oneida Medical Associates PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians reassign their Medicare billing to Oneida Medical Associates PLLC, in Hospitalist, Internal Medicine and Nurse Practitioner. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Oneida Medical Associates PLLC was last updated on October 8, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.