NPPES file of Aug 9, 2026

William F. Duboyce, MD

Internal Medicine Physician · Mitchellville, MD

William F. Duboyce, MD is an internal medicine physician with a practice address in Mitchellville, Maryland, and NPI 1619976438, issued on Jul 14, 2005. Check the license (Maryland D0047603, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619976438
Name
William F. Duboyce
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
D0047603 MD
Self-reported in NPPES; status is on the state search
Practice location
12158 Central Ave, Mitchellville, MD 20721
Phone
(301) 430-2750
Enumerated
Jul 14, 2005
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(301) 430-2751
Medicare enrollment
Enrolled (PECOS I20080627000256); accepts Medicare assignment
Medical or professional school
Howard University College Of Medicine, 1992
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 12158 Central Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brinton AmobiPhysical Therapy Assistant1235951427
  2. Sabrina BishopStudent in an Organized Health Care Education/Training Program1558051318
  3. Jasmin Casco NatarenStudent in an Organized Health Care Education/Training Program1154825925
  4. Erin Clark, OTR/LOccupational Therapist1093389439
  5. Lauren ClarkStudent in an Organized Health Care Education/Training Program1679000285
  6. Emily CronanStudent in an Organized Health Care Education/Training Program1144980954

Verify William F. Duboyce in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0047603
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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2.3 times the Medicare Part D claims of the average internal medicine physician in 2024

7,173 Medicare Part D claims for 628 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. 86 claims were for opioids.

  1. William Duboyce7,173
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate526 claims
  2. Atorvastatin Calcium479 claims
  3. Rosuvastatin Calcium262 claims
  4. Losartan Potassium241 claims
  5. Metoprolol Succinate214 claims
  6. Metformin Hcl189 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): 80.2 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.

  1. Qualityout of 100 · 30% of the final score76.7
  2. Costout of 100 · 30%53.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Medstar Medical Group II LLCWashington, DC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

5 internal medicine physician records list a practice address in Mitchellville

They are 5 of the 145 NPPES records with a practice address in Mitchellville, and 3,904 internal medicine physician records in Maryland.

Other internal medicine physician records in Maryland

  1. Eduardo Abarca Rojas, M.D.Parkville, MD1538447628
  2. Rasheed Abassi, M.D.Clinton, MD1376608620
  3. Ghulam Abbas, MDFrederick, MD1477658045
  4. Shamima Abbas, MDKensington, MD1750445896
  5. Nourelhuda Abbas Hamed, MDSilver Spring, MD1699339473
  6. Arsalan Abbasi, MDWestminster, MD1942762604
  7. Hamdi AbdeenGaithersburg, MD1245972413
  8. Mukemil Abdella, M.D.Glenn Dale, MD1871603381
  9. Suzan Abdo, MDClarksville, MD1588631824
  10. Madeeha Abdul GhaffarElkton, MD1194276063

Common questions

What is William F. Duboyce, MD's NPI number?

William F. Duboyce, MD's National Provider Identifier (NPI) is 1619976438, issued on Jul 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William F. Duboyce, MD located?

The NPPES record lists a practice address at 12158 Central Ave, Mitchellville, MD, 20721. Phone: (301) 430-2750. Providers update this record themselves, so call before visiting.

How can I verify William F. Duboyce, MD's license?

NPPES lists Maryland license number D0047603, 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 F. Duboyce, MD prescribe under Medicare Part D?

In 2024, William F. Duboyce, MD had 7,173 Medicare Part D claims for 628 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is William F. Duboyce, MD's MIPS final score?

The 2023 MIPS final score is 80.2 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.