Benjamin Maeck, MD
NPI 1487720454 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Benjamin Maeck, MD is a Internal Medicine Physician provider in San Francisco, CA (NPI 1487720454).
Provider details
- NPI number
- 1487720454
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A71812 (CA)
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
19 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
1,489 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 323 | $86 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 185 | $124 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 177 | $88 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians andG0180 | 143 | $66 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 138 | $206 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 83 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 375 | 89 |
| Amlodipine Besylate | 335 | 58 |
| Tamsulosin Hcl | 201 | 31 |
| Gabapentin | 164 | 39 |
| Metformin Hcl | 161 | 31 |
| Losartan Potassium | 161 | 28 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is Benjamin Maeck's NPI number?
- Benjamin Maeck's National Provider Identifier (NPI) is 1487720454, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin Maeck's specialty?
- Benjamin Maeck is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Benjamin Maeck located?
- Benjamin Maeck's practice location on file with NPPES is 2250 Hayes Street, San Francisco, CA 94117-1078.
- What is Benjamin Maeck's phone number?
- The practice phone number listed in the NPPES registry for Benjamin Maeck is (415) 750-5730.
- Does Benjamin Maeck accept Medicare?
- Benjamin Maeck is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Benjamin Maeck's NPI active?
- Yes — Benjamin Maeck's NPI (1487720454) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.