Ivan B. Schatz, M.D
Emergency Medicine Physician · Pomona, CA
Ivan B. Schatz, M.D is an emergency medicine physician with a practice address in Pomona, California, and NPI 1588608715, issued on Jun 16, 2006. Check the license (California G54253, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ivan B. Schatz
- Credential
- M.D
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- G54253 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1798 N. Garey Avenue, Pomona, CA 91767
- Phone
- (909) 865-9600
- Enumerated
- Jun 16, 2006
- Record last updated
- Aug 23, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Verify Ivan B. Schatz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G54253Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average emergency medicine physician in 2024
187 Medicare Part D claims for 130 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Azithromycin35 claims
- Albuterol Sulfate Hfa16 claims
- Cephalexin13 claims
- Hydrocodone-Acetaminophen11 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.
Ivan B. Schatz among 7,751 emergency medicine physician records in California
Ivan B. Schatz, M.D is one of 7,751 emergency medicine physician records with a practice address in California. 81% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2010 · 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 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Pomona → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Donald Barceloux, M.D.Pomona, CA 917671295746386
- Gregory Burke, M.DPomona, CA 917671407940117
- Wesley Curry, M.DPomona, CA 917671194774935
- Richard Dorosh, M.D.Pomona, CA 917671902928690
- John Lee, M.DPomona, CA 917671538178272
- Lee Maas, M.D.Pomona, CA 917671548470081
- Keith McCarty, M.D.Pomona, CA 917671538171426
- Kenneth Nakamoto, M.D.Pomona, CA 917671215949102
Common questions
What is Ivan B. Schatz, M.D's NPI number?
Ivan B. Schatz, M.D's National Provider Identifier (NPI) is 1588608715, issued on Jun 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ivan B. Schatz, M.D located?
The NPPES record lists a practice address at 1798 N. Garey Avenue, Pomona, CA, 91767. Phone: (909) 865-9600. Providers update this record themselves, so call before visiting.
How can I verify Ivan B. Schatz, M.D's license?
NPPES lists California license number G54253, 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 Ivan B. Schatz, M.D prescribe under Medicare Part D?
In 2024, Ivan B. Schatz, M.D had 187 Medicare Part D claims for 130 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.