David Z. Schreier, M.D.
Surgery Physician · West Hills, CA
David Z. Schreier, M.D. is a surgery physician with a practice address in West Hills, California, and NPI 1275568081, issued on Jul 11, 2006. Check the license (California G77064, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- David Z. Schreier
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- G77064 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7320 Woodlake Ave, West Hills, CA 91307
- Phone
- (818) 226-9030
- Enumerated
- Jul 11, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20101013000739); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Also registered at 7320 Woodlake Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Roger Amerian, MDPulmonary Disease Physician1033105614
- Calin Arimie, MDGastroenterology Physician1831277847
- Shahab Attarchi, MDInternal Medicine Physician1902982408
- Mariam Bakhtary, MDInfectious Disease Physician1134492895
- Frank Candela, M.D., F.A.C.S.Surgery Physician1699700492
- Ron Chitayat, MDGastroenterology Physician1912008657
Verify David Z. Schreier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G77064Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% more Medicare Part D claims than the average surgery physician in 2024
154 Medicare Part D claims for 123 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 126 claims were for opioids.
Most prescribed
- Tramadol Hcl68 claims
- Oxycodone-Acetaminophen56 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.
Industry payments in 2024: $9,296.60
11 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
David Z. Schreier among 3,118 surgery physician records in California
David Z. Schreier, M.D. is one of 3,118 surgery physician records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1991 · median 2003 among the 1,901 with a school on file
- Record last updated2007 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in California
There are 3,118 surgery physician records in California.
All 3,118 in California → Every provider in West Hills → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Frank Candela, M.D., F.A.C.S.West Hills, CA 913071699700492
- Edwin Garcia, MDWest Hills, CA 913071154634251
- William Park, M.D.Bell Canyon, CA 913071164470829
- Mahbod Paya, M.D.West Hills, CA 913071316098841
- Rachael Williams, M.D.West Hills, CA 913071386887362
- Harvey Kalan, M.D.Calabasas, CA 913021922336734
- Winnie Lee, M.D.Calabasas, CA 913021023028776
- Peter Hong, MDEncino, CA 913161518012988
Common questions
What is David Z. Schreier, M.D.'s NPI number?
David Z. Schreier, M.D.'s National Provider Identifier (NPI) is 1275568081, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Z. Schreier, M.D. located?
The NPPES record lists a practice address at 7320 Woodlake Ave, West Hills, CA, 91307. Phone: (818) 226-9030. Providers update this record themselves, so call before visiting.
How can I verify David Z. Schreier, M.D.'s license?
NPPES lists California license number G77064, 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 David Z. Schreier, M.D. prescribe under Medicare Part D?
In 2024, David Z. Schreier, M.D. had 154 Medicare Part D claims for 123 beneficiaries; the average among surgery physician prescribers was 147. 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.