Stephen B. Williams, M.D., M.P.H.
Interventional Cardiology Physician · Frederick, MD
Stephen B. Williams, M.D., M.P.H. is an interventional cardiology physician with a practice address in Frederick, Maryland, and NPI 1528131687, issued on Nov 16, 2006. Check the license (Maryland D0066599, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Stephen B. Williams
- Credential
- M.D., M.P.H.
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License number
- D0066599 MD
Self-reported in NPPES; status is on the state search - Practice location
- 180 Thomas Johnson Dr, Frederick, MD 21702
- Phone
- (301) 631-6877
- Enumerated
- Nov 16, 2006
- Record last updated
- May 17, 2023
- Fax
- (240) 566-7820
- Medicare enrollment
- Enrolled (PECOS I20251001004662); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 76 in Maryland → Look up another NPI →
Also registered at 180 Thomas Johnson Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephen B. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0066599Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average interventional cardiology physician in 2024
103 Medicare Part D claims for 24 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium21 claims
- Metoprolol Succinate15 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.
Industry payments in 2024: $301.38
7 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 6,394 providers of this specialty with any payment received $7,062.29 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 2 group practices
- Capitol Cardiology Associates, LLCHyattsville, MD
- Medical Practices OF Antietam, LLCHagerstown, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen B. Williams among 76 interventional cardiology physician records in Maryland
Stephen B. Williams, M.D., M.P.H. 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
- Graduated1997 · median 2000 among the 67 with a school on file
- Record last updated2023 · 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 Frederick → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- Muhammad Saad, MDFrederick, MD 217021083090278
- Payam Fallahi, M.D.Hagerstown, MD 217401457516544
- Bishesh Shrestha, MDEaston, MD 216011326526625
- Christian Bounds, M.D.Salisbury, MD 218041528050648
- Joseph Cinderella, M.D.Salisbury, MD 218041407848609
- Jeffrey Etherton, M.D.Salisbury, MD 218041144212366
- Steven Hearne, M.D.Salisbury, MD 218041184616088
- Mark TreuthSalisbury, MD 218041598757619
Common questions
What is Stephen B. Williams, M.D., M.P.H.'s NPI number?
Stephen B. Williams, M.D., M.P.H.'s National Provider Identifier (NPI) is 1528131687, issued on Nov 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen B. Williams, M.D., M.P.H. located?
The NPPES record lists a practice address at 180 Thomas Johnson Dr, Frederick, MD, 21702. Phone: (301) 631-6877. Providers update this record themselves, so call before visiting.
How can I verify Stephen B. Williams, M.D., M.P.H.'s license?
NPPES lists Maryland license number D0066599, 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 Stephen B. Williams, M.D., M.P.H. prescribe under Medicare Part D?
In 2024, Stephen B. Williams, M.D., M.P.H. had 103 Medicare Part D claims for 24 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.