William R. Herzog, MD
Interventional Cardiology Physician · Columbia, MD
William R. Herzog, MD is an interventional cardiology physician with a practice address in Columbia, Maryland, and NPI 1902873979, issued on Mar 8, 2006. Check the license (Maryland D41959, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- William R. Herzog
- Credential
- MD
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License number
- D41959 MD
Self-reported in NPPES; status is on the state search - Practice location
- 10710 Charter Dr, Columbia, MD 21044
- Phone
- (410) 997-7979
- Enumerated
- Mar 8, 2006
- Record last updated
- Feb 10, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (410) 997-9231
- Medicaid ID
- 543951500 MD
- Medicare enrollment
- Enrolled (PECOS I20180103002686); accepts Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 76 in Maryland → Look up another NPI →
Also registered at 10710 Charter Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kevin Blumenthal, MDUrology Physician1215182662
- Zahid Butt, MDGastroenterology Physician1730162975
- Phyllis Campbell, MDGynecology Physician1497755425
Verify William R. Herzog in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D41959Check 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 interventional cardiology physician in 2024
138 Medicare Part D claims for 66 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D.
Most prescribed
- Metoprolol Succinate20 claims
- Atorvastatin Calcium12 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
- Southeastern Regional Physician ServicesLumberton, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William R. Herzog among 76 interventional cardiology physician records in Maryland
William R. Herzog, MD is one of 76 interventional cardiology physician records with a practice address in Maryland. 92% 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 17% of them.
- NPI issued2006 · 17% of these records are older, 47% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 88% of these records are
- Graduated1982 · median 2000 among the 67 with a school on file
- Record last updated2017 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Cardiology Physician providers in Maryland
There are 76 interventional cardiology physician records in Maryland.
All 76 in Maryland → Every provider in Columbia → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- Farrukh Jalisi, MDGlen Burnie, MD 210611174621346
- Kelly Miller, M.D.Glen Burnie, MD 210611205897287
- Amir Najafi, M.D.Bel Air, MD 210141790952372
- Henry Sun, M.D.Westminster, MD 211571609845817
- Babar Ali, MDTakoma Park, MD 209121952505877
- Venkatesh Raman, M.D.Takoma Park, MD 209121831281997
- Eric Lieberman, M.D.Silver Spring, MD 209101750333522
- Homam Ibrahim, MDSilver Spring, MD 209041114150257
Common questions
What is William R. Herzog, MD's NPI number?
William R. Herzog, MD's National Provider Identifier (NPI) is 1902873979, issued on Mar 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William R. Herzog, MD located?
The NPPES record lists a practice address at 10710 Charter Dr, Columbia, MD, 21044. Phone: (410) 997-7979. Providers update this record themselves, so call before visiting.
How can I verify William R. Herzog, MD's license?
NPPES lists Maryland license number D41959, 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 William R. Herzog, MD prescribe under Medicare Part D?
In 2024, William R. Herzog, MD had 138 Medicare Part D claims for 66 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. 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.