Gene Oppenheim, MD
NPI 1558385369 · Family Medicine Physician · Santa Monica, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gene Oppenheim, MD is a Family Medicine Physician provider in Santa Monica, CA (NPI 1558385369).
Provider details
- NPI number
- 1558385369
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G35981 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 78 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 584 | 177 |
| Amlodipine Besylate | 324 | 98 |
| Rosuvastatin Calcium | 275 | 87 |
| Metformin Hcl | 208 | 66 |
| Lisinopril/Hydrochlorothiazidebrand: Lisinopril-Hydrochlorothiazide | 168 | 48 |
| Lisinopril | 164 | 49 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-26
- Last updated
- 2021-12-03
Frequently asked questions
- What is Gene Oppenheim's NPI number?
- Gene Oppenheim's National Provider Identifier (NPI) is 1558385369, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gene Oppenheim's specialty?
- Gene Oppenheim is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gene Oppenheim located?
- Gene Oppenheim's practice location on file with NPPES is 1920 Colorado Ave, Santa Monica, CA 90404-3414.
- What is Gene Oppenheim's phone number?
- The practice phone number listed in the NPPES registry for Gene Oppenheim is (310) 319-4700.
- Does Gene Oppenheim accept Medicare?
- Gene Oppenheim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gene Oppenheim's NPI active?
- Yes — Gene Oppenheim's NPI (1558385369) is active in the NPPES registry as of the last update on 2021-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.