Rochelle Zak, M.D.
NPI 1285606863 · Sleep Medicine (Psychiatry & Neurology) Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Sleep Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rochelle Zak, M.D. is a Sleep Medicine (Psychiatry & Neurology) Physician provider in San Francisco, CA (NPI 1285606863).
Provider details
- NPI number
- 1285606863
- Entity type
- Individual
- Primary specialty
- Sleep Medicine (Psychiatry & Neurology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 176119 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
457 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 122 | $162 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 93 | $108 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 63 | $149 |
| Sleep Study in Sleep Lab (6 Years Or Older)95810 | 44 | $132 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 41 | $203 |
| Sleep Study Including Heart Rate, Breathing, and Sleep Time |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pregabalin | 161 | 27 |
| Gabapentin | 47 | 11 |
| Doxepin Hcl | 25 | — |
| Trazodone Hcl | 24 | — |
| Gabapentin Enacarbilbrand: Horizant | 22 | — |
| Rotigotinebrand: Neupro | 21 | — |
| Dipyridamole | 17 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-07
- Last updated
- 2021-03-19
- Certified
- 2021-03-19
Frequently asked questions
- What is Rochelle Zak's NPI number?
- Rochelle Zak's National Provider Identifier (NPI) is 1285606863, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rochelle Zak's specialty?
- Rochelle Zak is listed in the NPPES registry with a primary specialty of Sleep Medicine (Psychiatry & Neurology) Physician (Allopathic & Osteopathic Physicians).
- Where is Rochelle Zak located?
- Rochelle Zak's practice location on file with NPPES is 2330 Post St., San Francisco, CA 94115.
- What is Rochelle Zak's phone number?
- The practice phone number listed in the NPPES registry for Rochelle Zak is (415) 885-7886.
- Does Rochelle Zak accept Medicare?
- Rochelle Zak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rochelle Zak's NPI active?
- Yes — Rochelle Zak's NPI (1285606863) is active in the NPPES registry as of the last update on 2021-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.