Quick answers
- Does Miriam L. Fishman accept Medicare assignment?
- Yes. Medicare's clinician data says Miriam L. Fishman 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 Miriam L. Fishman see?
- In 2024, CMS data shows 663 Original Medicare patients and 3,492 services for Miriam L. Fishman. This counts Original Medicare only and measures volume, not quality.
- What is Miriam L. Fishman's NPI number?
- 1891953212. 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 Miriam L. Fishman, 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 | 663 |
|---|---|
| Services billed to Medicare | 3,492 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent 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)804 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)788 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)513 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)230 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)227 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%
- Arthritis50%
- Ischemic heart disease36%
- Atrial fibrillation26%
- Osteoporosis22%
Hospitals where Miriam L. Fishman works
Medicare's Facility Affiliation Data lists Miriam L. Fishman 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.
- MedStar Washington Hospital CenterWashington, DC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 090011
- Sibley Memorial HospitalWashington, DC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 090005
Practice locations
Addresses where Miriam L. Fishman is enrolled with Medicare (CMS data updated October 2, 2026).
- 5530 Wisconsin Ave, Suite 1100Chevy Chase, MD 20815 (301) 656‑9070
Group practices
Medicare enrollment lists Miriam L. Fishman as a member of this group (CMS data updated October 2, 2026).
- Cardiology and Internal Medicine, PA3 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Maryland →
Other cardiologists in Chevy Chase
Clinicians with the same Medicare primary specialty in Chevy Chase, MD — not a recommendation.
Other clinicians in Cardiology and Internal Medicine, PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 2007 (19 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1891953212 |
| 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