Dennis Friedman, M.D.
NPI 1922036359 · Cardiovascular Disease Physician · Rockville, MD
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dennis Friedman, M.D. is a Cardiovascular Disease Physician provider in Rockville, MD (NPI 1922036359).
Provider details
- NPI number
- 1922036359
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0024971 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,994 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 1,353 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,269 | $141 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision and Review By Physician93015 | 273 | $69 |
| Nuclear Medicine Studies of Heart Muscle at Rest and With Stress and Spect78452 | 271 | $497 |
| Technetium Tc-99m Tetrofosmin, Diagnostic, Per Study DoseA9502 | 254 | $39 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 58 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 956 | 297 |
| Atorvastatin Calcium | 606 | 181 |
| Metoprolol Succinate | 471 | 158 |
| Carvedilol | 465 | 144 |
| Amlodipine Besylate | 433 | 140 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 405 | 123 |
| Ezetimibe |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$736 across 26 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-28
- Last updated
- 2009-05-07
Frequently asked questions
- What is Dennis Friedman's NPI number?
- Dennis Friedman's National Provider Identifier (NPI) is 1922036359, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Friedman's specialty?
- Dennis Friedman is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Friedman located?
- Dennis Friedman's practice location on file with NPPES is 15225 Shady Grove Rd, Rockville, MD 20850-3254.
- What is Dennis Friedman's phone number?
- The practice phone number listed in the NPPES registry for Dennis Friedman is (301) 670-3000.
- Does Dennis Friedman accept Medicare?
- Dennis Friedman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dennis Friedman's NPI active?
- Yes — Dennis Friedman's NPI (1922036359) is active in the NPPES registry as of the last update on 2009-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.