Clarence Smith, M.D.
Internal Medicine Physician · Bel Air, MD
Clarence Smith, M.D. is an internal medicine physician with a practice address in Bel Air, Maryland, and NPI 1285672006, issued on Jun 3, 2006. Check the license (Maryland D30878, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Clarence Smith
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D30878 MD
Self-reported in NPPES; status is on the state search - Practice location
- 615 W Macphail RD, Bel Air, MD 21014
- Phone
- (410) 638-5101
- Enumerated
- Jun 3, 2006
- Record last updated
- Mar 15, 2023
- Fax
- (410) 638-6854
- Medicare enrollment
- Enrolled (PECOS I20200519000521); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 615 W Macphail RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Allison Diem, CRNPFamily Nurse Practitioner1699901538
- John Druyor, FNP-CFamily Nurse Practitioner1063960920
- Patricia Dubyoski, M.D.Family Medicine Physician1487659082
- Sharon Dudley-Brown, NPFamily Nurse Practitioner1427057272
- Robert Duncan, M.D.Sports Medicine (Family Medicine) Physician1255337416
Verify Clarence Smith in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D30878Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,758 Medicare Part D claims for 350 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 54 claims were for opioids.
Most prescribed
- Atorvastatin Calcium271 claims
- Amlodipine Besylate243 claims
- Losartan Potassium106 claims
- Lisinopril104 claims
- Metformin Hcl83 claims
- Hydrochlorothiazide73 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): 61.7 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
- Kaiser Foundation Health Plan OF The Mid Atlantic States, IncLargo, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clarence Smith among 3,904 internal medicine physician records in Maryland
Clarence Smith, M.D. is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 55% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1982 · median 2003 among the 2,445 with a school on file
- Record last updated2023 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
63 internal medicine physician records list a practice address in Bel Air
They are 63 of the 1,945 NPPES records with a practice address in Bel Air, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Bel Air → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Vijay Abhyankar, M.D.Bel Air, MD 210141225033806
- David Dunn, M.D.Bel Air, MD 210141700881315
- Qinglin Gao, M.D.Bel Air, MD 210141053381780
- Philip Halstead, M.D.Bel Air, MD 210141962405704
- John Lynch, MDBel Air, MD 210141194721357
- David McClure, M.D.Bel Air, MD 210141275538878
- Ann Osman, M.D.Bel Air, MD 210141184629784
- Sherif Osman, M.D.Bel Air, MD 210141245235852
Common questions
What is Clarence Smith, M.D.'s NPI number?
Clarence Smith, M.D.'s National Provider Identifier (NPI) is 1285672006, issued on Jun 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Clarence Smith, M.D. located?
The NPPES record lists a practice address at 615 W Macphail RD, Bel Air, MD, 21014. Phone: (410) 638-5101. Providers update this record themselves, so call before visiting.
How can I verify Clarence Smith, M.D.'s license?
NPPES lists Maryland license number D30878, 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 Clarence Smith, M.D. prescribe under Medicare Part D?
In 2024, Clarence Smith, M.D. had 2,758 Medicare Part D claims for 350 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Clarence Smith, M.D.'s MIPS final score?
The 2023 MIPS final score is 61.7 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.