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Internal Medicine

Cynthia So-Armah, MD

Works at hospitals in Jamaica Plain, MA · Boston, MA · Massachusetts

Summary

Dr. Cynthia So-Armah, MD is an internal medicine doctor at 3297 Washington St, Boston, MA 02130. Phone: (617) 732-6039. Accepts Medicare assignment. In 2024, Cynthia So-Armah had 53 Original Medicare patients and 145 services. NPI 1124467477. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 3297 Washington St, Boston, MA 02130 · Directions
  • Phone: (617) 732‑6039
  • Medicare: Accepts Medicare assignment
  • Hospitals: Brigham and Women Faulkner Hospital, Brigham and Women's Hospital
  • Group practice: Brigham and Womens Hospital Inc
  • Medical school: University Of California, San Francisco School Of Medicine · graduated 2013 (13 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Cynthia So-Armah, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Cynthia So-Armah accept Medicare assignment?
Yes. Medicare's clinician data says Cynthia So-Armah 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 Cynthia So-Armah see?
In 2024, CMS data shows 53 Original Medicare patients and 145 services for Cynthia So-Armah. This counts Original Medicare only and measures volume, not quality.
What is Cynthia So-Armah's NPI number?
1124467477. 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 Cynthia So-Armah, 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 patients53
Services billed to Medicare145
Different services or procedures15
Participating Medicare providerYes
Average age of these patients68

Most frequent services

  1. 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)39 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)37 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)29 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 cholesterol64%
  • Diabetes42%
  • Arthritis34%
  • Depression34%
  • Asthma28%

Hospitals where Cynthia So-Armah works

Medicare's Facility Affiliation Data lists Cynthia So-Armah 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.

Practice locations

Addresses where Cynthia So-Armah is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Cynthia So-Armah as a member of this group (CMS data updated October 2, 2026).

  • Brigham and Womens Hospital Inc52 clinicians in the group

Specialties

Find other Internal Medicine doctors in Massachusetts →

Other internal medicine doctors in Boston

Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.

All internal medicine doctors in Boston →

Other clinicians in Brigham and Womens Hospital Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Francisco School Of Medicine
Graduation year2013 (13 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1124467477
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians