Samer Assaf, M.D.
NPI 1871682179 · Internal Medicine Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samer Assaf, M.D. is a Internal Medicine Physician provider in San Diego, CA (NPI 1871682179).
Provider details
- NPI number
- 1871682179
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A68784 (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
414 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 | 196 | $137 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 132 | $98 |
| Administration of Influenza Virus VaccineG0008 | 37 | $35 |
| Administration of Pneumococcal VaccineG0009 | 27 | $35 |
| Admn Sarscov2 Vacc 1 Dose90480 | 22 | $46 |
Typical Medicare-allowed amounts for these services range $35–$137 (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 · 109 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 418 | 137 |
| Amlodipine Besylate | 327 | 99 |
| Losartan Potassium | 221 | 73 |
| Levothyroxine Sodium | 179 | 49 |
| Omeprazole | 174 | 55 |
| Gabapentin | 172 | 48 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-12
- Last updated
- 2013-06-14
Frequently asked questions
- What is Samer Assaf's NPI number?
- Samer Assaf's National Provider Identifier (NPI) is 1871682179, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Samer Assaf's specialty?
- Samer Assaf is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Samer Assaf located?
- Samer Assaf's practice location on file with NPPES is 2020 Genesee Ave, San Diego, CA 92123-4219.
- What is Samer Assaf's phone number?
- The practice phone number listed in the NPPES registry for Samer Assaf is (858) 499-2600.
- Does Samer Assaf accept Medicare?
- Samer Assaf is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Samer Assaf's NPI active?
- Yes — Samer Assaf's NPI (1871682179) is active in the NPPES registry as of the last update on 2013-06-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.