CIRCLE HEALTH OBGYN, LLC.
NPI 1912179870
Obstetrics & Gynecology in North Chelmsford, MA
About Circle Health Obgyn, Llc. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CIRCLE HEALTH OBGYN, LLC. (NPI 1912179870) is a healthcare organization registered as an obstetrics & gynecology in North Chelmsford, Massachusetts and active in the NPI registry since March 2008. The organization holds a CLIA Waiver certificate valid through February 5, 2028 and lists William F. Wyman, Sr. Vice President Of Finance, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 21
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Circle Health Obgyn, Llc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
41Medicare enrollment records show 41 clinicians reassign Medicare billing to Circle Health Obgyn, LLC., which bills Medicare for the services they deliver. Of these, 11 practice at this address and 20 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 4
Nearest to this location (20)
See all 41Source: 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 of Waiver 22D0071484
Circle Health Ob/Gyn · North Chelmsford, 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 Circle Health Obgyn, LLC.'s NPI number?
The NPI number for Circle Health Obgyn, LLC. is 1912179870. It was assigned to this organization in the NPPES registry on March 31, 2008.
Where is Circle Health Obgyn, LLC. located?
Circle Health Obgyn, LLC. is located at 20 Research Pl Ste 320, North Chelmsford, MA 01863. The listed phone number is (978) 256-1858.
What is Circle Health Obgyn, LLC.'s specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Circle Health Obgyn, LLC. enrolled in Medicare?
Yes. Circle Health Obgyn, LLC. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Circle Health Obgyn, LLC.?
According to the CMS Revalidation Reassignment List (October 2026 release), 41 clinicians in 4 Medicare specialties reassign their Medicare billing to Circle Health Obgyn, LLC.. 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 (24), Certified Nurse Midwife (CNM) (8) and Nurse Practitioner (7). Of these, 11 practice at this address and 20 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Circle Health Obgyn, LLC. hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 22D0071484) is associated with this NPI, valid through February 5, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Circle Health Obgyn, LLC. accept?
Health plans from Anthem Blue Cross and Blue Shield list Circle Health Obgyn, LLC. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Circle Health Obgyn, LLC. was last updated on November 10, 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.
# Circle Health Obgyn, Llc. · NPI 1912179870
Obstetrics & Gynecology organization in North Chelmsford, Massachusetts. Organization record, active in the CMS NPPES registry since March 31, 2008.
## Identity
- **NPI:** 1912179870 (Entity type: Organization)
- **Enumerated:** March 31, 2008
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **Organization subpart:** Yes (part of Circle Health Physicians, Inc)
- **Authorized official:** William Wyman, SR. VICE PRESIDENT OF FINANCE
## Practice location
- **Address:** 20 RESEARCH PL STE 320, North Chelmsford, MA 01863-2455
- **Phone:** (978) 256-1858 · **Fax:** (978) 788-7890
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 41 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Obstetrics/Gynecology (24), Certified Nurse Midwife (CNM) (8), Nurse Practitioner (7); 11 practice at this address and 20 within 10 miles; [full list](https://npiprofile.com/npi/1912179870/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 10, 2020
- **Other identifiers:** Other 1912179870 (MA); Other 0005394 (MA); Other 1912179870 (MA); and 18 more
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1912179870) · Data from the CMS NPPES public registry.