Reuven B. Minkowitz, M.D.
Specialist · Lancaster, CA
Reuven B. Minkowitz, M.D. is a specialist with a practice address in Lancaster, California, and NPI 1114125549, issued on Jul 6, 2007. Check the license (California A99899, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Reuven B. Minkowitz
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- A99899 CA
Self-reported in NPPES; status is on the state search - Practice location
- 615 W Avenue L, Lancaster, CA 93534
- Phone
- (661) 729-7100
- Enumerated
- Jul 6, 2007
- Record last updated
- Nov 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (661) 951-2795
- Medicare enrollment
- Enrolled (PECOS I20070927001105); accepts Medicare assignment
- Medical or professional school
- Js Weill Medical College, Cornell University, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 615 W Avenue L
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Reuven B. Minkowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A99899Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average specialist in 2024
461 Medicare Part D claims for 166 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 197 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen165 claims
- Ondansetron Odt78 claims
- Meloxicam69 claims
- Mupirocin66 claims
- Hydrocodone-Acetaminophen18 claims
- Ibuprofen13 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
- Southern California Permanente Medical GroupPanorama City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Reuven B. Minkowitz among 5,749 specialist records in California
Reuven B. Minkowitz, M.D. is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 44% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated2002 · median 1989 among the 1,075 with a school on file
- Record last updated2021 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Lancaster → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Javeed Ahmed, MDLancaster, CA 935341689627051
- Pradeep Damle, M.D.Lancaster, CA 935341770563116
- Wafaa Farid, MDLancaster, CA 935341811002082
- Sameh Gadallah, M.D.Lancaster, CA 935341205897535
- Emma Graber, M.D.Lancaster, CA 935341922057918
- Syed Hasan, MDLancaster, CA 935341528010998
- Pramod Kadambi, M.D.Lancaster, CA 935341114988441
- Dennis Latuno, M.D.Lancaster, CA 935341205841087
Common questions
What is Reuven B. Minkowitz, M.D.'s NPI number?
Reuven B. Minkowitz, M.D.'s National Provider Identifier (NPI) is 1114125549, issued on Jul 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Reuven B. Minkowitz, M.D. located?
The NPPES record lists a practice address at 615 W Avenue L, Lancaster, CA, 93534. Phone: (661) 729-7100. Providers update this record themselves, so call before visiting.
How can I verify Reuven B. Minkowitz, M.D.'s license?
NPPES lists California license number A99899, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Reuven B. Minkowitz, M.D. prescribe under Medicare Part D?
In 2024, Reuven B. Minkowitz, M.D. had 461 Medicare Part D claims for 166 beneficiaries; the average among specialist prescribers was 1,380. 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.