NPPES file of Aug 9, 2026

William D. Mason, MD

Student in an Organized Health Care Education/Training Program · Detroit, MI

William D. Mason, MD is a student in an organized health care education/training program with a practice address in Detroit, Michigan, and NPI 1417537705, issued on Apr 11, 2021. Check the license with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1417537705
Name
William D. Mason
Credential
MD
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
2799 W Grand Blvd # K8W821, Detroit, MI 48202
Phone
(313) 916-9046
Enumerated
Apr 11, 2021
Record last updated
Apr 13, 2022
Fax
(313) 916-7263
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify William D. Mason in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this professionCheck 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
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63% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024

68 Medicare Part D claims for 40 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. 23 claims were for opioids.

  1. William Mason68
  2. Specialty average185

Most prescribed

  1. Hydrocodone-Acetaminophen13 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: $138.69

2 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 13,278 providers of this specialty with any payment received $608.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Mason$138.69
  2. Specialty average$608.08

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

William D. Mason among 8,265 student in an organized health care education/training program records in Michigan

William D. Mason, MD is one of 8,265 student in an organized health care education/training program records with a practice address in Michigan. 34% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 18% of them.

  • NPI issued2021 · 18% of these records are older, 77% newer
  • In a Medicare fileYes · 34% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2022 · 18% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2,351 student in an organized health care education/training program records list a practice address in Detroit

They are 2,351 of the 19,832 NPPES records with a practice address in Detroit, and 8,265 student in an organized health care education/training program records in Michigan.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Hardeep Chahil, D.O.Detroit, MI 482021023435211
  2. April Chisholm, M.S.Detroit, MI 482021750572418
  3. Leslie Danley, M.D.Detroit, MI 482021881746980
  4. Nischal Gandreti, M.D.Detroit, MI 482021073739132
  5. Haidong Huang, M.DDetroit, MI 482021689923351
  6. Kirandeep Hundal, M.D.Detroit, MI 482021669715272
  7. Nida Husain, D.O.Detroit, MI 482021235496563
  8. Anja Jaehne, MDDetroit, MI 482021306189998

Common questions

What is William D. Mason, MD's NPI number?

William D. Mason, MD's National Provider Identifier (NPI) is 1417537705, issued on Apr 11, 2021. An NPI identifies a provider in billing; it is not a license.

Where is William D. Mason, MD located?

The NPPES record lists a practice address at 2799 W Grand Blvd # K8W821, Detroit, MI, 48202. Phone: (313) 916-9046. Providers update this record themselves, so call before visiting.

How can I verify William D. Mason, MD's license?

Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

How much does William D. Mason, MD prescribe under Medicare Part D?

In 2024, William D. Mason, MD had 68 Medicare Part D claims for 40 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.