DR. ANN M HESTER M.D.
NPI 1508904426
Internal Medicine in Glen Burnie, MD
About Dr. Ann M Hester M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANN M HESTER M.D. (NPI 1508904426) is an individual internal medicine provider in Glen Burnie, Maryland, licensed in Maryland (D55915) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 9
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Ann M Hester M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Ann Hester reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Glen Burnie, MD 21061
- Reassigned Medicare billing, Maryland enrollment
- 57 clinicians in this Medicare group
Glen Burnie, MD 21061
- Reassigned Medicare billing, Maryland enrollment
- 966 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21061 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
GLEN BURNIE, MD 21061
GLEN BURNIE, MD 21061
GLEN BURNIE, MD 21061
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 Hester's NPI number?
The NPI number for Ann Hester is 1508904426. It was assigned to this individual provider in the NPPES registry on February 2, 2007.
Where is Ann Hester located?
Ann Hester practices at 301 Hospital Dr, Glen Burnie, MD 21061. The listed phone number is (410) 787-4000.
What is Ann Hester's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ann Hester enrolled in Medicare?
Yes. Ann Hester is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ann Hester's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Hester reassigns Medicare benefits to 2 organizations: Baltimore Washington Medical Center Inc. (Glen Burnie, MD) and University Of Maryland Community Medical Group, Inc. (Glen Burnie, MD). 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 Hester's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ann Hester was last updated on April 16, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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 M Hester, M.D. · NPI 1508904426
Internal Medicine physician in Glen Burnie, Maryland. Individual provider, active in the CMS NPPES registry since February 2, 2007.
## Identity
- **NPI:** 1508904426 (Entity type: Individual)
- **Enumerated:** February 2, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** D55915 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 301 HOSPITAL DR, Glen Burnie, MD 21061-5803
- **Phone:** (410) 787-4000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Baltimore Washington Medical Center Inc. (NPI 1124016696, Glen Burnie, MD); University Of Maryland Community Medical Group, Inc. (NPI 1295367894, Glen Burnie, MD) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 16, 2008
- **Other identifiers:** Other 201610; Other 2698639; Other F551-0044 (DC); and 6 more
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Source: [NPI Profile](https://npiprofile.com/npi/1508904426) · Data from the CMS NPPES public registry.