Mark Berenson, M.D.
NPI 1093722126 · Family Medicine Physician · Oakland, CA
Mark Berenson, M.D. is a Family Medicine Physician provider in Oakland, CA (NPI 1093722126).
Provider details
- NPI number
- 1093722126
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A88385 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Lisinopril | 40 |
| Atorvastatin Calcium | 29 |
| Tramadol Hcl | 22 |
| Duloxetine Hcl | 19 |
| Amlodipine Besylate | 18 |
| Escitalopram Oxalate | 14 |
| Risperidone | 13 |
| Trazodone Hcl | 13 |
| Apixabanbrand: Eliquis |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 across 1 record (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
- 2006-08-02
- Last updated
- 2009-01-23
Frequently asked questions
- What is Mark Berenson's NPI number?
- Mark Berenson's National Provider Identifier (NPI) is 1093722126, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Berenson's specialty?
- Mark Berenson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Berenson located?
- Mark Berenson's practice location on file with NPPES is 2107 Livingston St, Oakland, CA 94606-5218.
- What is Mark Berenson's phone number?
- The practice phone number listed in the NPPES registry for Mark Berenson is (510) 436-9001.
- Is Mark Berenson's NPI active?
- Yes — Mark Berenson's NPI (1093722126) is active in the NPPES registry as of the last update on 2009-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.