Naiel Nassar, MD
NPI 1699743617 · Infectious Disease Physician · Fresno, CA
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Naiel Nassar, MD is a Infectious Disease Physician provider in Fresno, CA (NPI 1699743617).
Provider details
- NPI number
- 1699743617
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A49334 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
85 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 | 62 | $96 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 23 | $65 |
Typical Medicare-allowed amounts for these services range $65–$96 (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 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 368 | 57 |
| Abacavir/Dolutegravir/Lamivudibrand: Triumeq | 129 | 19 |
| Atorvastatin Calcium | 91 | 24 |
| Dolutegravir/Rilpivirinebrand: Juluca | 79 | — |
| Amlodipine Besylate | 67 | 17 |
| Emtricitabine/Tenofov Alafenambrand: Descovy | 49 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-08
- Last updated
- 2021-02-02
- Certified
- 2021-02-02
Frequently asked questions
- What is Naiel Nassar's NPI number?
- Naiel Nassar's National Provider Identifier (NPI) is 1699743617, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Naiel Nassar's specialty?
- Naiel Nassar is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Naiel Nassar located?
- Naiel Nassar's practice location on file with NPPES is 2335 E Kashian Ln Ste 280, Fresno, CA 93701-2211.
- What is Naiel Nassar's phone number?
- The practice phone number listed in the NPPES registry for Naiel Nassar is (559) 320-1090.
- Does Naiel Nassar accept Medicare?
- Naiel Nassar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Naiel Nassar's NPI active?
- Yes — Naiel Nassar's NPI (1699743617) is active in the NPPES registry as of the last update on 2021-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.