Zachary Tiger, MD
Psychiatry Physician · Larkspur, CA
Zachary Tiger, MD is a psychiatry physician with a practice address in Larkspur, California, and NPI 1194354878, issued on Apr 5, 2020. Check the license (California A193225, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Zachary Tiger
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- A193225 CA
MD2022-0030 NM
Self-reported in NPPES; status is on the state search - Practice location
- 900 Larkspur Landing Cir Ste 285, Larkspur, CA 94939
- Phone
- (707) 258-8757
- Enumerated
- Apr 5, 2020
- Record last updated
- Nov 21, 2024
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 900 Larkspur Landing Cir Ste 285
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kyle Choi, DOPsychiatry Physician1134756208
- Alok Rai, M.DPsychiatry Physician1023459807
Verify Zachary Tiger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A193225Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average psychiatry physician in 2024
124 Medicare Part D claims for 28 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Trazodone Hcl16 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.
Zachary Tiger among 8,673 psychiatry physician records in California
Zachary Tiger, MD is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 87% of them.
- NPI issued2020 · 87% of these records are older, 9% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 psychiatry physician records list a practice address in Larkspur
They are 13 of the 291 NPPES records with a practice address in Larkspur, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Larkspur → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Rajdip Barman, MDLarkspur, CA 949391326393141
- Helen Biren, MDLarkspur, CA 949391265525075
- Richard Brenner, MDLarkspur, CA 949391215100383
- Jeffrey Caplan, MDLarkspur, CA 949391629182969
- Kyle Choi, DOLarkspur, CA 949391134756208
- Sarah Haynal, M.D.Larkspur, CA 949391073823324
- Patricia Kreshin, MDLarkspur, CA 949391003966490
- Pamela Martin, MDLarkspur, CA 949391467214643
Common questions
What is Zachary Tiger, MD's NPI number?
Zachary Tiger, MD's National Provider Identifier (NPI) is 1194354878, issued on Apr 5, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Tiger, MD located?
The NPPES record lists a practice address at 900 Larkspur Landing Cir Ste 285, Larkspur, CA, 94939. Phone: (707) 258-8757. Providers update this record themselves, so call before visiting.
How can I verify Zachary Tiger, MD's license?
NPPES lists California license number A193225, 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 Zachary Tiger, MD prescribe under Medicare Part D?
In 2024, Zachary Tiger, MD had 124 Medicare Part D claims for 28 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.