DR. ANN C MARTIN M.D.
NPI 1891792594
Obstetrics & Gynecology in Longmont, CO
About Dr. Ann C Martin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANN C MARTIN M.D. (NPI 1891792594) is an individual obstetrics & gynecology provider in Longmont, Colorado, licensed in Colorado (DR.0033768) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS and is a graduate of University Of Texas Medical School At Houston (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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. Ann C Martin M.d. 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 Reassignment
Medicare enrollment records show Ann Martin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Loveland, CO 80538
- Reassigned Medicare billing, Colorado enrollment
- 2,596 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 80501 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
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 Ann Martin's NPI number?
The NPI number for Ann Martin is 1891792594. It was assigned to this individual provider in the NPPES registry on July 7, 2005.
Where is Ann Martin located?
Ann Martin practices at 1925 Mountain View Ave, Longmont, CO 80501. The listed phone number is (720) 494-3130.
What is Ann Martin's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Ann Martin enrolled in Medicare?
Yes. Ann Martin 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 organization bills Medicare for Ann Martin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Martin reassigns Medicare benefits to Poudre Valley Medical Group, LLC (Loveland, CO). The 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 Ann Martin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ann Martin accept?
Health plans from Medica, Select Health and UnitedHealthcare list Ann Martin 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 Ann Martin was last updated on March 29, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Dr. Ann C Martin, M.D. · NPI 1891792594
Obstetrics & Gynecology physician in Longmont, Colorado. Individual provider, active in the CMS NPPES registry since July 7, 2005.
## Identity
- **NPI:** 1891792594 (Entity type: Individual)
- **Enumerated:** July 7, 2005
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** DR.0033768 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 1925 MOUNTAIN VIEW AVE, Longmont, CO 80501-3128
- **Phone:** (720) 494-3130 · **Fax:** (720) 494-3176
## 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:** Poudre Valley Medical Group, LLC (NPI 1366763260, Loveland, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical School At Houston, class of 1990
## Record status
- **NPPES last updated:** March 29, 2018
- **Other identifiers:** Medicaid 01337682 (CO)
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Source: [NPI Profile](https://npiprofile.com/npi/1891792594) · Data from the CMS NPPES public registry.