Samuel Gerson, M.D.
NPI 1881843431 · Internal Medicine Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel Gerson, M.D. is a Internal Medicine Physician provider in San Diego, CA (NPI 1881843431).
Provider details
- NPI number
- 1881843431
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A116916 (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
17 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
1,325 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 | 516 | $137 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 251 | $177 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19)87811 | 85 | $41 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 85 | $16 |
| Automated Urinalysis Test81003 | 69 | $2 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 62 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 98 | 92 |
| Azithromycin | 75 | 70 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 60 | 57 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 58 | 56 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 46 | 45 |
| Polymyxin B Sulf/Trimethoprimbrand: Polymyxin B Sul-Trimethoprim | 26 | 25 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-09-18
- Last updated
- 2025-10-29
- Certified
- 2025-10-29
Frequently asked questions
- What is Samuel Gerson's NPI number?
- Samuel Gerson's National Provider Identifier (NPI) is 1881843431, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samuel Gerson's specialty?
- Samuel Gerson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Samuel Gerson located?
- Samuel Gerson's practice location on file with NPPES is 2878 Camino Del Rio S Ste 220, San Diego, CA 92108-3845.
- What is Samuel Gerson's phone number?
- The practice phone number listed in the NPPES registry for Samuel Gerson is (619) 241-2191.
- Does Samuel Gerson accept Medicare?
- Samuel Gerson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samuel Gerson's NPI active?
- Yes — Samuel Gerson's NPI (1881843431) is active in the NPPES registry as of the last update on 2025-10-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.