Omar Sahak, MD, MPH
Child & Adolescent Psychiatry Physician · Palo Alto, CA
Omar Sahak, MD, MPH is a child & adolescent psychiatry physician with a practice address in Palo Alto, California, and NPI 1093162166, issued on May 18, 2016. Check the license (California A166778, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Omar Sahak
- Credential
- MD, MPH
- Primary taxonomy
- Child & Adolescent Psychiatry Physician 2084P0804X
- License number
- A166778 CA
Self-reported in NPPES; status is on the state search - Practice location
- 401 Quarry RD, Palo Alto, CA 94304
- Phone
- (650) 724-0817
- Enumerated
- May 18, 2016
- Record last updated
- Dec 21, 2024
- Medicare enrollment
- Enrolled (PECOS I20221203000552); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest child & adolescent psychiatry physician records → All 1,009 in California → Look up another NPI →
Also registered at 401 Quarry RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Abbey, PH.D.Clinical Neuropsychologist1730377649
- Dorothy Adu-Amankwah, MDPsychiatry Physician1932900313
- Nakul AggarwalStudent in an Organized Health Care Education/Training Program1881495976
- Rosa Ahn-Horst, MD MPHPsychiatry Physician1649822420
- Kelley Anderson, M.S., M.A., PHDPsychologist1851777999
- Robin Apple, PH.D.Psychologist1134284912
Verify Omar Sahak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A166778Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% more Medicare Part D claims than the average child & adolescent psychiatry physician in 2024
548 Medicare Part D claims for 45 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Olanzapine44 claims
- Risperidone36 claims
- Clozapine35 claims
- Haloperidol29 claims
- Trazodone Hcl27 claims
- Hydroxyzine Hcl26 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Momentum For HealthSan Jose, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Omar Sahak among 1,009 child & adolescent psychiatry physician records in California
Omar Sahak, MD, MPH is one of 1,009 child & adolescent psychiatry physician records with a practice address in California. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 86% of them.
- NPI issued2016 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated2019 · median 2005 among the 215 with a school on file
- Record last updated2024 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0804X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Child & Adolescent Psychiatry Physician providers in California
There are 1,009 child & adolescent psychiatry physician records in California.
All 1,009 in California → Every provider in Palo Alto → Child & Adolescent Psychiatry Physician nationwide →
The 8 child & adolescent psychiatry physician records with the nearest ZIP codes
- Steven Adelsheim, MDPalo Alto, CA 943041245246941
- Anne Benham, M.D.Palo Alto, CA 943041255493540
- Barbara Bentley, PSYDPalo Alto, CA 943041497708648
- Victor Carrion, M.D.Palo Alto, CA 943041083759799
- Jennifer Derenne, MDPalo Alto, CA 943041285684738
- Glen Elliott, PH.D., M.D.Palo Alto, CA 943041104939503
- Antonio Hardan, MDPalo Alto, CA 943041407829286
- Kyle Hinman, M.D.Palo Alto, CA 943041750446381
Common questions
What is Omar Sahak, MD, MPH's NPI number?
Omar Sahak, MD, MPH's National Provider Identifier (NPI) is 1093162166, issued on May 18, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Omar Sahak, MD, MPH located?
The NPPES record lists a practice address at 401 Quarry RD, Palo Alto, CA, 94304. Phone: (650) 724-0817. Providers update this record themselves, so call before visiting.
How can I verify Omar Sahak, MD, MPH's license?
NPPES lists California license number A166778, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Omar Sahak, MD, MPH prescribe under Medicare Part D?
In 2024, Omar Sahak, MD, MPH had 548 Medicare Part D claims for 45 beneficiaries; the average among child & adolescent psychiatry physician prescribers was 504. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.