Physician Profile
Based in San Francisco, CA, Rochelle Zak, M.D. is listed in the NPI registry under sleep medicine. Rochelle is also listed as specializing in pulmonary disease and sleep medicine (neurology). Medicare claims data shows Rochelle provided 457 services to 388 patients. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. NPI 1285606863 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
2330 POST ST. #420
San Francisco, CA 94115
Within Sleep Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Breathing disruption
Circadian rhythm
Daytime alertness
Excessive sleepiness
General sleep
General symptoms
Hormonal sleep
Insomnia & anxiety
Movement disorders
Neurological sleep
Parasomnia
Parasomnias
Pediatric sleep
Sleep breathing
Sleep disruption
Sleep movement
Sleep quality
Sleep timing
Most searched procedures
Behavioral therapy
Circadian therapy
Consultation
CPAP & positive airway pressure
Device management
Devices
Diagnostic testing
Diagnostics
Evaluations
Lifestyle & devices
Medical management
Oral appliances
Respiratory care
Snoring & airway
Surgery
Surgical & implants
Therapy
457 services · 388 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Sleep study in sleep lab (6 years or older) | Treatment | 95810 |
44 | As often as other peers in Sleep Medicine |
| Sleep study including heart rate, breathing, and sleep time | Treatment | 95800 |
37 | As often as other peers in Sleep Medicine |
| Sleep study in sleep lab with continuous airway pressure (6 years or older) | Treatment | 95811 |
20 | Less often than most peers in Sleep Medicine |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
122 | More often than most peers in Sleep Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
93 | As often as other peers in Sleep Medicine |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
63 | More often than most peers in Sleep Medicine |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
41 | More often than most peers in Sleep Medicine |
| 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 | Billing code | G2212 |
25 | Too few peers to compare |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
12 | Too few peers to compare |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Rochelle Zak is a sleep medicine in San Francisco, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Rochelle Zak is listed at 2330 Post St. #420, San Francisco, CA 94115. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (415) 885-7886. Contact the office directly to confirm availability and scheduling.
NPI registry
Rochelle Zak's National Provider Identifier is 1285606863. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Rochelle Zak attended Other, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
Rochelle Zak has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Rochelle Zak provides treatments such as sleep study in sleep lab and sleep study including heart rate, breathing, and sleep time, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Rochelle Zak. If this is you, claiming it is free.
Guide.md
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