WINCHESTER OB GYN ASSOCIATES, PC
NPI 1811052954
Obstetrics & Gynecology in Winchester, MA
About Winchester Ob Gyn Associates, Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WINCHESTER OB GYN ASSOCIATES, PC (NPI 1811052954) is a healthcare organization registered as an obstetrics & gynecology in Winchester, Massachusetts and active in the NPI registry since December 2006. The organization holds a CLIA Microscopy certificate valid through July 2, 2027 and lists Donald J Druga, Partner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Winchester Ob Gyn Associates, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
8Medicare enrollment records show 8 clinicians reassign Medicare billing to Winchester Ob Gyn Associates, PC, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 5 within 10 miles. They are listed nearest first.
Clinicians, nearest first (8)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
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) 22D0072462
Winchester Ob/Gyn Associates PC · Winchester, MAFrequently 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 Winchester Ob Gyn Associates, PC's NPI number?
The NPI number for Winchester Ob Gyn Associates, PC is 1811052954. It was assigned to this organization in the NPPES registry on December 27, 2006.
Where is Winchester Ob Gyn Associates, PC located?
Winchester Ob Gyn Associates, PC is located at 1021 Main St Suite 102, Winchester, MA 01890. The listed phone number is (781) 721-4701.
What is Winchester Ob Gyn Associates, PC's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Winchester Ob Gyn Associates, PC enrolled in Medicare?
Yes. Winchester Ob Gyn Associates, PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Winchester Ob Gyn Associates, PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 2 Medicare specialties reassign their Medicare billing to Winchester Ob Gyn Associates, PC. 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. The largest specialties are Obstetrics/Gynecology (5) and Nurse Practitioner (3). Of these, 3 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Winchester Ob Gyn Associates, PC hold a CLIA laboratory certificate?
Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 22D0072462) is associated with this NPI, valid through July 2, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Winchester Ob Gyn Associates, PC was last updated on September 15, 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.
# Winchester Ob Gyn Associates, Pc · NPI 1811052954
Obstetrics & Gynecology organization in Winchester, Massachusetts. Organization record, active in the CMS NPPES registry since December 27, 2006.
## Identity
- **NPI:** 1811052954 (Entity type: Organization)
- **Enumerated:** December 27, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **Organization subpart:** No
- **Authorized official:** Donald Druga, PARTNER
## Practice location
- **Address:** 1021 MAIN ST, SUITE 102, Winchester, MA 01890-1942
- **Phone:** (781) 721-4701
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 8 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Obstetrics/Gynecology (5), Nurse Practitioner (3); 3 practice at this address and 5 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 15, 2014
- **Other identifiers:** Medicare PIN CM6107 (MA); Medicare PIN M14998 (MA); Other M14998 (MA); and 1 more
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1811052954) · Data from the CMS NPPES public registry.