Martin Liberman, MD
NPI 1376530006 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martin Liberman, MD is a Internal Medicine Physician provider in San Francisco, CA (NPI 1376530006).
Provider details
- NPI number
- 1376530006
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G26857 (CA)
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 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
114 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 71 | $109 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 43 | $153 |
Typical Medicare-allowed amounts for these services range $109–$153 (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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Levothyroxine Sodium | 43 |
| Pantoprazole Sodium | 34 |
| Gabapentin | 29 |
| Amlodipine Besylate | 28 |
| Furosemide | 28 |
| Duloxetine Hcl | 27 |
| Losartan Potassium | 20 |
| Cyclosporinebrand: Restasis Multidose | 18 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-27
- Last updated
- 2017-12-21
Frequently asked questions
- What is Martin Liberman's NPI number?
- Martin Liberman's National Provider Identifier (NPI) is 1376530006, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Liberman's specialty?
- Martin Liberman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Martin Liberman located?
- Martin Liberman's practice location on file with NPPES is 1661 Pine Street, San Francisco, CA 94109-0401.
- What is Martin Liberman's phone number?
- The practice phone number listed in the NPPES registry for Martin Liberman is (415) 447-5571.
- Does Martin Liberman accept Medicare?
- Martin Liberman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martin Liberman's NPI active?
- Yes — Martin Liberman's NPI (1376530006) is active in the NPPES registry as of the last update on 2017-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.