Doctor profile · Federal record

Dr. Georges Naasan, M.D.

Neurology Physician (CMS: Neurology) · San Francisco, CA

  • NPI 1790985976
  • Accepts Medicare
  • 20 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
350 Parnassus Suite 905
San Francisco, CA 941431207
(415) 502-0551
Mailing address
280 Parnassus Ave Apt 1
San Francisco, CA 941173811

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
August 17, 2011
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
California #A115759

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790985976. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
706
Distinct HCPCS
10
Medicare allowed
$88,924
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 147 102 $204
G2212 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 or 143 51 $37
99214 Established patient office or other outpatient visit, 30-39 minutes 135 98 $147
99213 Established patient office or other outpatient visit, 20-29 minutes 71 57 $104
99205 New patient office or other outpatient visit, 60-74 minutes 54 54 $254
99426 Principal care management services for a single high-risk disease, first 30 minutes of clinical staff time directed by health care professional, per calendar month 52 33 $70
99441 Telephone medical discussion with physician, 5-10 minutes 31 26 $64
99442 Telephone medical discussion with physician, 11-20 minutes 28 25 $105
99427 Principal care management services for a single high-risk disease, each additional 30 minutes of clinical staff time directed by health care professional, per calendar month 26 15 $55
99443 Telephone medical discussion with physician, 21-30 minutes 19 18 $146

In context: peer comparison

Among 69 peers in San Francisco Neurology Physician, average services per provider: 156. This provider delivers 4.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
780
Patients
176
Total drug cost
$47,066
Drug Type Claims Patients Total cost
Donepezil Hcl Generic 275 74 $3,696
Galantamine ER (Galantamine Hbr) Brand 170 42 $23,270
Escitalopram Oxalate Generic 114 35 $1,659
Quetiapine Fumarate Generic 57 12 $1,146
Rivastigmine Generic 41 13 $12,917
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 30 0 $424
Sertraline Hcl Generic 30 0 $409
Memantine Hcl Generic 25 0 $545
Trazodone Hcl Generic 21 0 $275
Memantine Hcl ER (Memantine Hcl) Brand 17 0 $2,725

Frequently asked questions

Auto-generated from federal data
What is Dr. Georges Naasan's medical specialty?
Dr. Georges Naasan practices Neurology Physician in San Francisco, CA.
Where does Dr. Georges Naasan practice?
Dr. Georges Naasan practices at 350 Parnassus Suite 905, San Francisco, CA 941431207. Office phone: 4155020551.
What is Dr. Georges Naasan's NPI?
Dr. Georges Naasan's National Provider Identifier (NPI) is 1790985976, issued by NPPES.
Does Dr. Georges Naasan accept Medicare assignment?
Yes. Dr. Georges Naasan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Georges Naasan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); 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 or (HCPCS G2212); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.