Doctor profile · Federal record

Dr. Rochelle Zak, M.D.

Sleep Medicine (Psychiatry & Neurology) Physician (CMS: Sleep Medicine) · Pulmonary Disease Physician · Sleep Medicine (Psychiatry & Neurology) Physician · San Francisco, CA

  • NPI 1285606863
  • Accepts Medicare
  • 39 yrs in practice
  • Licensed in 3 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2330 Post St., #420
San Francisco, CA 94115
(415) 885-7886
fax (415) 885-3650

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
March 19, 2021
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
2084S0012X — NUCC code
State licenses (3)
California #G64567 · New York #176119 · Connecticut #039291

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285606863. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
449
Distinct HCPCS
9
Medicare allowed
$58,553
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 140 86 $161
99214 Established patient office or other outpatient visit, 30-39 minutes 78 64 $111
99204 New patient office or other outpatient visit, 45-59 minutes 47 47 $150
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 47 26 $35
99205 New patient office or other outpatient visit, 60-74 minutes 43 43 $204
95810 Sleep study in sleep lab (6 years or older) 34 33 $133
95800 Sleep study including heart rate, breathing, and sleep time 28 27 $46
95811 Sleep study in sleep lab with continuous airway pressure (6 years or older) 19 19 $138
99443 Telephone medical discussion with physician, 21-30 minutes 13 12 $110

In context: peer comparison

Among 1 peers in San Francisco Sleep Medicine (Psychiatry & Neurology) Physician, average services per provider: 49. This provider delivers 9.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
241
Patients
27
Total drug cost
$44,641
Drug Type Claims Patients Total cost
Pregabalin Generic 142 27 $3,972
Gabapentin Generic 32 0 $297
Pramipexole Dihydrochloride (Pramipexole di-Hcl) Brand 32 0 $584
Neupro (Rotigotine) Brand 23 0 $35,721
Pramipexole ER (Pramipexole di-Hcl) Brand 12 0 $4,067

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Rochelle Zak's medical specialty?
Dr. Rochelle Zak practices Sleep Medicine (Psychiatry & Neurology) Physician in San Francisco, CA.
Where does Dr. Rochelle Zak practice?
Dr. Rochelle Zak practices at 2330 Post St., San Francisco, CA 94115. Office phone: 4158857886.
What is Dr. Rochelle Zak's NPI?
Dr. Rochelle Zak's National Provider Identifier (NPI) is 1285606863, issued by NPPES.
Does Dr. Rochelle Zak accept Medicare assignment?
Yes. Dr. Rochelle Zak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rochelle Zak commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.