Omar Sahak, MD, MPH
NPI 1093162166 · Child & Adolescent Psychiatry Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Omar Sahak, MD, MPH is a Child & Adolescent Psychiatry Physician provider in Palo Alto, CA (NPI 1093162166).
Provider details
- NPI number
- 1093162166
- Entity type
- Individual
- Primary specialty
- Child & Adolescent Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MPH
- Sex
- Male
- Sole proprietor
- No
- License
- A166778 (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
10 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
85 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 49 | $144 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 36 | $196 |
Typical Medicare-allowed amounts for these services range $144–$196 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 44 | 15 |
| Risperidone | 36 | 13 |
| Clozapine | 35 | — |
| Haloperidol | 29 | — |
| Trazodone Hcl | 27 | — |
| Hydroxyzine Hcl | 26 | — |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 22 | — |
| Metformin Hcl | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-05-18
- Last updated
- 2024-12-21
- Certified
- 2024-12-21
Frequently asked questions
- What is Omar Sahak's NPI number?
- Omar Sahak's National Provider Identifier (NPI) is 1093162166, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Omar Sahak's specialty?
- Omar Sahak is listed in the NPPES registry with a primary specialty of Child & Adolescent Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Omar Sahak located?
- Omar Sahak's practice location on file with NPPES is 401 Quarry Rd, Palo Alto, CA 94304-1419.
- What is Omar Sahak's phone number?
- The practice phone number listed in the NPPES registry for Omar Sahak is (650) 724-0817.
- Does Omar Sahak accept Medicare?
- Omar Sahak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Omar Sahak's NPI active?
- Yes — Omar Sahak's NPI (1093162166) is active in the NPPES registry as of the last update on 2024-12-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.