Georges Naasan, M.D.
NPI 1790985976 · Neurology Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Georges Naasan, M.D. is a Neurology Physician provider in San Francisco, CA (NPI 1790985976).
Provider details
- NPI number
- 1790985976
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A115759 (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
18 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
1,174 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 389 | $18 |
| Prolonged Office Or Other Outpatient Evaluation and Management Service(s) Beyond the Maximum Required Time of the Primary Procedure Which Has Been Selected Using Total Time on the Date of the Primary Service; Each Additional 15 Minutes By the Physician OrG2212 | 177 | $36 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 154 | $141 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 153 | $200 |
| Principal Care Management Services for a Single High-Risk Disease, First 30 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99426 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Donepezil Hcl | 371 | 90 |
| Escitalopram Oxalate | 217 | 46 |
| Galantamine Hbrbrand: Galantamine Er | 149 | 33 |
| Quetiapine Fumarate | 101 | 13 |
| Rivastigmine | 65 | 18 |
| Trazodone Hcl | 39 | — |
| Sertraline Hcl | 35 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-24
- Last updated
- 2011-08-17
Frequently asked questions
- What is Georges Naasan's NPI number?
- Georges Naasan's National Provider Identifier (NPI) is 1790985976, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Georges Naasan's specialty?
- Georges Naasan is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Georges Naasan located?
- Georges Naasan's practice location on file with NPPES is 350 Parnassus Suite 905, San Francisco, CA 94143-1207.
- What is Georges Naasan's phone number?
- The practice phone number listed in the NPPES registry for Georges Naasan is (415) 502-0551.
- Does Georges Naasan accept Medicare?
- Georges Naasan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Georges Naasan's NPI active?
- Yes — Georges Naasan's NPI (1790985976) is active in the NPPES registry as of the last update on 2011-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.