DR. JAMES MICHAEL SUMMERS D.O.
NPI 1306879333
Obstetrics & Gynecology in Westminster, CO
About Dr. James Michael Summers D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMES MICHAEL SUMMERS D.O. (NPI 1306879333) is an individual obstetrics & gynecology provider in Westminster, Colorado, licensed in Colorado (CDRH.0041642) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Craig, and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. James Michael Summers D.o. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
10Medicare enrollment records show James Summers reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Northglenn, CO 80234
- Reassigned Medicare billing, Colorado enrollment
- 1,193 clinicians in this Medicare group
Denver, CO 80247
- Reassigned Medicare billing, Colorado enrollment
- Medicare enrollment name: Colorado Permanente Medical Group PC
- 1,715 clinicians in this Medicare group
Berthoud, CO 80513
- Reassigned Medicare billing, Colorado enrollment
- 324 clinicians in this Medicare group
Eau Claire, WI 54701
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1952890873 (Wisconsin)
- 2,476 clinicians in this Medicare group
Chetek, WI 54728
- Reassigned Medicare billing, Wisconsin enrollment
- 1,616 clinicians in this Medicare group
Neillsville, WI 54456
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1346239373 (Wisconsin)
- 1,440 clinicians in this Medicare group
Marshfield, WI 54449
- Reassigned Medicare billing, Wisconsin enrollment
- 2,540 clinicians in this Medicare group
Park Falls, WI 54552
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1700963048 (Wisconsin)
- 1,351 clinicians in this Medicare group
Columbus, WI 53925
- Reassigned Medicare billing, Wisconsin enrollment
- Medicare enrollment name: Beaver Dam Community Hospitals Inc.
- 1,447 clinicians in this Medicare group
Iron River, MI 49935
- Reassigned Medicare billing, Michigan enrollment
- 136 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80234 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WESTMINSTER, CO 80234
WESTMINSTER, CO 80234
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 James Summers's NPI number?
The NPI number for James Summers is 1306879333. It was assigned to this individual provider in the NPPES registry on July 10, 2006.
Where is James Summers located?
James Summers practices at 11245 Huron St, Westminster, CO 80234. The listed phone number is (303) 338-4545.
What is James Summers's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is James Summers enrolled in Medicare?
Yes. James Summers is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for James Summers's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Summers reassigns Medicare benefits to 10 organizations: Catholic Health Initiatives Colorado (Northglenn, CO), Colorado Permanente Medical Group, P.C. (Denver, CO), Banner Health Physicians Colorado LLC (Berthoud, CO), Mchs Hospitals Inc (Eau Claire, WI), Lakeview Medical Center Inc Of Rice Lake (Chetek, WI) and 5 more organizations, listed in the Medicare section above. Each 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 James Summers's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Summers accept?
Health plans from Anthem Blue Cross and Blue Shield list James Summers 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 James Summers was last updated on December 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.
# Dr. James Michael Summers, D.O. · NPI 1306879333
Obstetrics & Gynecology physician in Westminster, Colorado. Individual provider, active in the CMS NPPES registry since July 10, 2006.
## Identity
- **NPI:** 1306879333 (Entity type: Individual)
- **Enumerated:** July 10, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** CDRH.0041642 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 11245 HURON ST, Westminster, CO 80234-2806
- **Phone:** (303) 338-4545
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 10 organizations under Medicare reassignment (form CMS-855R): Catholic Health Initiatives Colorado (NPI 1396103156, Northglenn, CO); Colorado Permanente Medical Group, P.C. (NPI 1760599724, Denver, CO); Banner Health Physicians Colorado LLC (NPI 1669733291, Berthoud, CO); Mchs Hospitals Inc (NPI 1316416035, Eau Claire, WI); Lakeview Medical Center Inc Of Rice Lake (NPI 1659008605, Chetek, WI); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** December 16, 2025
- **Other identifiers:** Medicaid 08089833 (CO); Medicaid 9000112347 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1306879333) · Data from the CMS NPPES public registry.