ANN M BAKER MD
NPI 1275750804
Internal Medicine in Fredericksburg, VA
About Ann M Baker Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANN M BAKER MD (NPI 1275750804) is an individual internal medicine provider in Fredericksburg, Virginia, licensed in Utah (60199811205) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS, is affiliated with Bon Secours St Marys Hospital, and is a graduate of University Of Texas Medical School At Houston (2004).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Ann M Baker Md 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
6Medicare enrollment records show Ann Baker reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fredericksburg, VA 22401
- Reassigned Medicare billing, Virginia enrollment
- 258 clinicians in this Medicare group
Richmond, VA 23226
- Reassigned Medicare billing, Virginia enrollment
- 104 clinicians in this Medicare group
Richmond, VA 23226
- Reassigned Medicare billing, Virginia enrollment
- 172 clinicians in this Medicare group
Winchester, VA 22601
- Reassigned Medicare billing, Virginia enrollment
- 371 clinicians in this Medicare group
Frederick, MD 21701
- Reassigned Medicare billing, District of Columbia enrollment
- 204 clinicians in this Medicare group
Bridgeton, MO 63044
- Reassigned Medicare billing, Illinois enrollment
- 419 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Bon Secours St Marys Hospital
Acute Care Hospitals · Richmond, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22408 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.
Reported Quality Measures
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.
FREDERICKSBURG, VA 22408
FREDERICKSBURG, VA 22408
FREDERICKSBURG, VA 22408
FREDERICKSBURG, VA 22408
FREDERICKSBURG, VA 22408
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 Baker's NPI number?
The NPI number for Ann Baker is 1275750804. It was assigned to this individual provider in the NPPES registry on April 18, 2007.
Where is Ann Baker located?
Ann Baker practices at 4600 Spotsylvania Pkwy, Fredericksburg, VA 22408. The listed phone number is (540) 498-4000.
What is Ann Baker's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ann Baker enrolled in Medicare?
Yes. Ann Baker 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 Ann Baker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Baker reassigns Medicare benefits to 6 organizations: Hospitalist Medicine Physicians Of Fredericksburg, LLC (Fredericksburg, VA), Hospitalist Medicine Physicians Of Virginia - Richmond, LLC (Richmond, VA), Vituity-Virginia Hospitalists PC (Richmond, VA), Hospitalist Medicine Physicians Of Virginia LLC (Winchester, VA), Hospitalist Medicine Physicians Of Maryland PC (Frederick, MD) and 1 more organization, 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 Ann Baker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ann Baker affiliated with any hospitals?
According to CMS data, Ann Baker is affiliated with Bon Secours St Marys Hospital.
When was this NPI record last updated?
The NPPES record for Ann Baker was last updated on May 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Ann M Baker, MD · NPI 1275750804
Internal Medicine physician in Fredericksburg, Virginia. Individual provider, active in the CMS NPPES registry since April 18, 2007.
## Identity
- **NPI:** 1275750804 (Entity type: Individual)
- **Enumerated:** April 18, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 60199811205 (Utah)
- **Sole proprietor:** No
## Practice location
- **Address:** 4600 SPOTSYLVANIA PKWY, Fredericksburg, VA 22408-7762
- **Phone:** (540) 498-4000
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Hospitalist Medicine Physicians Of Fredericksburg, LLC (NPI 1447577572, Fredericksburg, VA); Hospitalist Medicine Physicians Of Virginia - Richmond, LLC (NPI 1699311324, Richmond, VA); Vituity-Virginia Hospitalists PC (NPI 1518611011, Richmond, VA); Hospitalist Medicine Physicians Of Virginia LLC (NPI 1770756991, Winchester, VA); Hospitalist Medicine Physicians Of Maryland PC (NPI 1992945471, Frederick, MD); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical School At Houston, class of 2004
## Record status
- **NPPES last updated:** May 20, 2025
- **Other identifiers:** Medicaid 1275750804 (VA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1275750804) · Data from the CMS NPPES public registry.