Mark Friedberg, M.D.
NPI 1437149184 · Internal Medicine Physician · Boston, MA
Mark Friedberg, M.D. is a Internal Medicine Physician provider in Boston, MA (NPI 1437149184).
Provider details
- NPI number
- 1437149184
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 225324 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
105 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 105 | $102 |
Typical Medicare-allowed amounts for these services range $102–$102 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 94 | 24 |
| Amlodipine Besylate | 79 | 19 |
| Omeprazole | 65 | 12 |
| Lisinopril | 62 | 16 |
| Hydrochlorothiazide | 55 | 17 |
| Losartan Potassium | 53 | 11 |
| Simvastatin | 40 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-25
- Last updated
- 2012-05-01
Frequently asked questions
- What is Mark Friedberg's NPI number?
- Mark Friedberg's National Provider Identifier (NPI) is 1437149184, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Friedberg's specialty?
- Mark Friedberg is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Friedberg located?
- Mark Friedberg's practice location on file with NPPES is 75 Francis St, Boston, MA 02115-6110.
- What is Mark Friedberg's phone number?
- The practice phone number listed in the NPPES registry for Mark Friedberg is (617) 732-6047.
- Is Mark Friedberg's NPI active?
- Yes — Mark Friedberg's NPI (1437149184) is active in the NPPES registry as of the last update on 2012-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.