Anthony Stein, MD
Hematology (Internal Medicine) Physician · Duarte, CA
Anthony Stein, MD is a hematology (internal medicine) physician with a practice address in Duarte, California, and NPI 1225046147, issued on Aug 4, 2006. Check the license (California A41452, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Anthony Stein
- Credential
- MD
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License number
- A41452 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1500 E Duarte RD, Duarte, CA 91010
- Phone
- (626) 256-4673
- Enumerated
- Aug 4, 2006
- Record last updated
- Mar 23, 2022
- Medicare enrollment
- Enrolled (PECOS I20110210001046); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hematology (internal medicine) physician records → All 175 in California → Look up another NPI →
Also registered at 1500 E Duarte RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sarkis Baltayian, MDAnesthesiology Physician1932165776
- Elizabeth Bernardi, PA CPhysician Assistant1699980896
Verify Anthony Stein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A41452Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024
307 Medicare Part D claims for 48 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Jakafi28 claims
- Acyclovir22 claims
- Sirolimus17 claims
- Pantoprazole Sodium15 claims
- Cresemba13 claims
- Escitalopram Oxalate13 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 99.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $303.73
7 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 721 providers of this specialty with any payment received $13,778.35 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.
Bills Medicare through one group practice
- City OF Hope Medical FoundationDuarte, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anthony Stein among 175 hematology (internal medicine) physician records in California
Anthony Stein, MD is one of 175 hematology (internal medicine) physician records with a practice address in California. 89% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 65% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated1978 · median 2006 among the 135 with a school on file
- Record last updated2022 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
61 hematology (internal medicine) physician records list a practice address in Duarte
They are 61 of the 1,287 NPPES records with a practice address in Duarte, and 175 hematology (internal medicine) physician records in California.
All 175 in California → Every provider in Duarte → Hematology (Internal Medicine) Physician nationwide →
The 8 hematology (internal medicine) physician records with the nearest ZIP codes
- Joseph Alvarnas, M.D.Duarte, CA 910101558321745
- Andrew Artz, M.D., M.S.Duarte, CA 910101306859772
- Ravi Bhatia, MDDuarte, CA 910101326059700
- Lihua Budde, MD, PHDDuarte, CA 910101124030028
- Peter Curtin, M.D.Duarte, CA 910101316953862
- Alexey Danilov, M.D.Duarte, CA 910101487769733
- Amrita Krishnan, MDDuarte, CA 910101215948690
- Alexandra Levine, M.D.Duarte, CA 910101356371967
Common questions
What is Anthony Stein, MD's NPI number?
Anthony Stein, MD's National Provider Identifier (NPI) is 1225046147, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Anthony Stein, MD located?
The NPPES record lists a practice address at 1500 E Duarte RD, Duarte, CA, 91010. Phone: (626) 256-4673. Providers update this record themselves, so call before visiting.
How can I verify Anthony Stein, MD's license?
NPPES lists California license number A41452, 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 Anthony Stein, MD prescribe under Medicare Part D?
In 2024, Anthony Stein, MD had 307 Medicare Part D claims for 48 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. Part D covers Medicare prescriptions only.
What is Anthony Stein, MD's MIPS final score?
The 2023 MIPS final score is 99.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.