Quick answers
- Does Anna M. Stagner accept Medicare assignment?
- Yes. Medicare's clinician data says Anna M. Stagner 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 M. Stagner see?
- In 2024, CMS data shows 954 Original Medicare patients and 2,342 services for Anna M. Stagner. This counts Original Medicare only and measures volume, not quality.
- What is Anna M. Stagner's NPI number?
- 1053632448. 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 M. Stagner, 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 | 954 |
|---|---|
| Services billed to Medicare | 2,342 |
| Different services or procedures | 21 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Pathology examination of tissue using a microscope, intermediate complexity (88305)1,001 services
- Special stained specimen slides to examine tissue, each additional procedure (88341)410 services
- Special stained specimen slides to examine tissue, initial procedure (88342)281 services
- Pathology examination of tissue using a microscope, moderately low complexity (88304)259 services
- Special stained specimen slides to examine tissue including interpretation and report (88313)118 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 pressure72%
- High cholesterol72%
- Arthritis45%
- Anxiety29%
- Ischemic heart disease25%
- Diabetes23%
Hospitals where Anna M. Stagner works
Medicare's Facility Affiliation Data lists Anna M. Stagner 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.
- Brigham and Women's HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220110
- Martha's Vineyard Hospital IncOak Bluffs, MA · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 221300
- Massachusetts Eye and Ear Infirmary -Boston, MA · Acute Care Hospital · Emergency services: listed by Medicare · CCN 220075
- Massachusetts General HospitalBoston, MA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 220071
- Nantucket Cottage HospitalNantucket, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220177
Practice locations
Addresses where Anna M. Stagner is enrolled with Medicare (CMS data updated October 2, 2026).
- 243 Charles StBoston, MA 02114 (617) 523‑7900
- 55 Fruit StBoston, MA 02114 (617) 724‑0287
- 75 Francis StBoston, MA 02115 (617) 732‑5500
Group practices
Medicare enrollment lists Anna M. Stagner as a member of these groups (CMS data updated October 2, 2026).
- Massachusetts General Physicians Organization Inc3,558 clinicians in the group
- Massachusetts Eye and Ear Associates, Inc433 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Boston
Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.
Other clinicians in Massachusetts General Physicians Organization Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Oregon Health Sciences University School Of Medicine |
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053632448 |
| 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