1. Home
  2. Directory
  3. New York
  4. Oswego
  5. Obstetrics Gynecology
  6. NPI Profile

OSWEGO COUNTY OB-GYN PC
NPI 1043373855
Obstetrics & Gynecology in Oswego, NY

Active since December 19, 2006CLIA Certified · 2 labs
42 MONTCALM ST, OSWEGO, NY 13126(315) 343-2590(315) 343-4197 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Oswego County Ob-gyn Pc NPPES

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

OSWEGO COUNTY OB-GYN PC (NPI 1043373855) is a healthcare organization registered as an obstetrics & gynecology in Oswego, New York and active in the NPI registry since December 2006. The organization holds 2 active CLIA laboratory certificates and lists Joseph E Mather, Physician, as its authorized official.

NPPES Registry Identity

NPI1043373855
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameOSWEGO COUNTY OB-GYN PC
Location Address42 MONTCALM STOswego, NY 13126-1321
Mailing Address42 Montcalm StOswego, NY 13126-1321 · (315) 343-2590 · Fax (315) 343-4197
Phone(315) 343-2590
Fax(315) 343-4197
Organization SubpartNo
Authorized OfficialJoseph E MatherPhysician · (315) 343-2590
Enumeration DateDecember 19, 2006
Last NPPES UpdateAugust 22, 2020
✔ NPI 1043373855 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
42 MONTCALM ST, Oswego, NY 13126
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA 2

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 33D0664132

Oswego County Ob Gyn PC · Oswego, NY
Active · expires Dec 20, 2026
CLIA Number33D0664132
Laboratory TypePhysician Office
Certificate Effective DateDecember 21, 2024
Certificate Expiration DateDecember 20, 2026
Laboratory DirectorDr. Raj K. Mahajan
Laboratory Phone(315) 343-2590
Laboratory LocationOswego County Ob Gyn PC42 Montcalm Street, Oswego, NY 13126
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 33D2051648

Oswego County Ob-Gyn, PC · Oswego, NY
Active · expires Dec 23, 2026
CLIA Number33D2051648
Laboratory TypePhysician Office
Certificate Effective DateDecember 24, 2024
Certificate Expiration DateDecember 23, 2026
Laboratory DirectorRaj K. Mahajan
Laboratory Phone(315) 343-2218
Laboratory LocationOswego County Ob-Gyn, PC140 West Sixth Street, Suite G60, Oswego, NY 13126
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. RAJ KUMAR MAHAJAN MD
Obstetrics & Gynecology
42 MONTCALM ST
OSWEGO, NY 13126
Oswego County (315) 343-2590
VENKATA RAMANI DASARI M.D.
Obstetrics & Gynecology
42 MONTCALM ST
OSWEGO, NY 13126
Oswego County (315) 343-2590
MACKENZIE MAHAJAN PA-C
Physician Assistant
42 MONTCALM ST
OSWEGO, NY 13126
Oswego County (315) 343-2590
MRS. JUDITH A DIMARCO RNFNP
Nurse Practitioner (Obstetrics & Gynecology)
42 MONTCALM ST
OSWEGO, NY 13126
Oswego County (315) 343-2590
VICTORIA CARLSON CNM, WHNP-BC
Nurse Practitioner (Obstetrics & Gynecology)
42 MONTCALM ST
OSWEGO, NY 13126
Oswego County (315) 343-2590
DR. RONALD UVA MD
Obstetrics & Gynecology
42 MONTCALM ST
OSWEGO, NY 13126
Oswego County (315) 343-2590
MISS DEVON MICHELE AMEDIO CNM
Advanced Practice Midwife
42 MONTCALM ST
OSWEGO, NY 13126
Oswego County (315) 343-2590

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 Oswego County Ob-Gyn PC's NPI number?

The NPI number for Oswego County Ob-Gyn PC is 1043373855. It was assigned to this organization in the NPPES registry on December 19, 2006.

Where is Oswego County Ob-Gyn PC located?

Oswego County Ob-Gyn PC is located at 42 Montcalm St, Oswego, NY 13126. The listed phone number is (315) 343-2590.

What is Oswego County Ob-Gyn PC's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Does Oswego County Ob-Gyn PC hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Oswego County Ob-Gyn PC was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.