Roy Ziegelstein, M.D.
Cardiovascular Disease Physician · Baltimore, MD
Roy Ziegelstein, M.D. is a cardiovascular disease physician with a practice address in Baltimore, Maryland, and NPI 1700812096, issued on Jun 25, 2006. Check the license (Maryland D38461, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Roy Ziegelstein
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- D38461 MD
Self-reported in NPPES; status is on the state search - Practice location
- 4940 Eastern Ave, Baltimore, MD 21224
- Phone
- (410) 550-4642
- Enumerated
- Jun 25, 2006
- Record last updated
- Feb 21, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 535241000 MD
- Medicare enrollment
- Enrolled (PECOS I20100713000299); may accept Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 613 in Maryland → Look up another NPI →
Also registered at 4940 Eastern Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Roy Ziegelstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D38461Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
121 Medicare Part D claims for 15 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Metoprolol Succinate20 claims
- Carvedilol11 claims
- Rosuvastatin Calcium11 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): 74.4 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).
Bills Medicare through one group practice
- Johns Hopkins UniversityBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roy Ziegelstein among 613 cardiovascular disease physician records in Maryland
Roy Ziegelstein, M.D. is one of 613 cardiovascular disease physician records with a practice address in Maryland. 76% 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 22% of them.
- NPI issued2006 · 22% of these records are older, 36% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1986 · median 1997 among the 389 with a school on file
- Record last updated2013 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Maryland
There are 613 cardiovascular disease physician records in Maryland.
All 613 in Maryland → Every provider in Baltimore → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Lili Barouch, M.D.Baltimore, MD 212241326003831
- Nisha Chandra-Strobos, M.D.Baltimore, MD 212241184673261
- Franklin Chatham, MDBaltimore, MD 212241124113956
- Mary Corretti, M.D.Baltimore, MD 212241164479291
- Sheldon Gottlieb, M.D.Baltimore, MD 212241407808447
- William Maughan, M.D.Baltimore, MD 212241326097478
- David Meyerson, M.D.Baltimore, MD 212241558311563
- Pamela Ouyang, M.D.Baltimore, MD 212241013963420
Common questions
What is Roy Ziegelstein, M.D.'s NPI number?
Roy Ziegelstein, M.D.'s National Provider Identifier (NPI) is 1700812096, issued on Jun 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Roy Ziegelstein, M.D. located?
The NPPES record lists a practice address at 4940 Eastern Ave, Baltimore, MD, 21224. Phone: (410) 550-4642. Providers update this record themselves, so call before visiting.
How can I verify Roy Ziegelstein, M.D.'s license?
NPPES lists Maryland license number D38461, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Roy Ziegelstein, M.D. prescribe under Medicare Part D?
In 2024, Roy Ziegelstein, M.D. had 121 Medicare Part D claims for 15 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Roy Ziegelstein, M.D.'s MIPS final score?
The 2023 MIPS final score is 74.4 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.