Quick answers
- Does Anna Grace M. Barnes accept Medicare assignment?
- Yes. Medicare's clinician data says Anna Grace M. Barnes accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Anna Grace M. Barnes see?
- In 2024, CMS data shows 121 Original Medicare patients and 2,642 services for Anna Grace M. Barnes. This counts Original Medicare only and measures volume, not quality.
- What is Anna Grace M. Barnes's NPI number?
- 1659950285. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Anna Grace M. Barnes, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 121 |
|---|---|
| Services billed to Medicare | 2,642 |
| Different services or procedures | 47 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)83 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)43 services
- Blood test, comprehensive group of blood chemicals (80053)20 services
- Insertion of needle into vein for collection of blood sample (36415)19 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)18 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Ischemic heart disease43%
- Diabetes40%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)40%
Hospitals where Anna Grace M. Barnes works
Medicare's Facility Affiliation Data lists Anna Grace M. Barnes at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Huntsville HospitalHuntsville, AL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 010039
Practice locations
Addresses where Anna Grace M. Barnes is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Hospital Dr SWHuntsville, AL 35801
- 3601 Cci DrHuntsville, AL 35805 (256) 327‑5905
- 3601 Cci Dr NWHuntsville, AL 35805 (256) 705‑4224
- 707 W Market StAthens, AL 35611 (256) 705‑4224
Group practices
Medicare enrollment lists Anna Grace M. Barnes as a member of this group (CMS data updated October 2, 2026).
- Oncology Specialties, P.C.109 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Huntsville
Clinicians with the same Medicare primary specialty in Huntsville, AL — not a recommendation.
Other clinicians in Oncology Specialties, P.C.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| School | University Of Alabama School Of Medicine |
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659950285 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians