Jeffrey Alan Mason, DO
Internal Medicine Physician · Pontiac, MI
Jeffrey Alan Mason, DO is an internal medicine physician with a practice address in Pontiac, Michigan, and NPI 1760490957, issued on Aug 3, 2006. Check the license (Michigan 5101015290, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Jeffrey Alan Mason
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5101015290 MI
Self-reported in NPPES; status is on the state search - Practice location
- 50 N Perry St, Pontiac, MI 48342
- Phone
- (248) 338-5645
- Enumerated
- Aug 3, 2006
- Record last updated
- Mar 28, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (248) 338-5547
- Medicare enrollment
- Enrolled (PECOS I20050421000176); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2002
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,735 in Michigan → Look up another NPI →
Also registered at 50 N Perry St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fatma Abdel-Rahim, DPMStudent in an Organized Health Care Education/Training Program1376336206
- Andrew AbiragiStudent in an Organized Health Care Education/Training Program1003753054
- John Abraham, MDStudent in an Organized Health Care Education/Training Program1952045478
- Tina Abraham, D.O.Internal Medicine Physician1215376108
- Mahmoud Abu HajerStudent in an Organized Health Care Education/Training Program1275470221
- Nicole AdamOccupational Therapist1730676917
Verify Jeffrey Alan Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101015290Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average internal medicine physician in 2024
420 Medicare Part D claims for 146 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 29 claims were for opioids.
Most prescribed
- Albuterol Sulfate Hfa23 claims
- Pantoprazole Sodium17 claims
- Atorvastatin Calcium16 claims
- Hydrocodone-Acetaminophen16 claims
- Prednisone13 claims
- Eliquis12 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): 67.6 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
- Fadi Salloum MD PCPontiac, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey Alan Mason among 5,735 internal medicine physician records in Michigan
Jeffrey Alan Mason, DO is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 60% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2002 · median 2006 among the 3,564 with a school on file
- Record last updated2012 · 54% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
115 internal medicine physician records list a practice address in Pontiac
They are 115 of the 1,951 NPPES records with a practice address in Pontiac, and 5,735 internal medicine physician records in Michigan.
All 5,735 in Michigan → Every provider in Pontiac → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Tina Abraham, D.O.Pontiac, MI 483421215376108
- Amrullah Alsatli, MDPontiac, MI 483421285014613
- Maria Anders, D.O.Pontiac, MI 483421619106176
- Steven Calkin, D.O.Pontiac, MI 483421992728356
- Lawrence Cowsill, D.O.Pontiac, MI 483421598788176
- Erica Di Cicco, D.O.Pontiac, MI 483421104139450
- Richard Keirn, MDPontiac, MI 483421801937644
- Joanne La Fleur, M.D.Pontiac, MI 483421629332630
Common questions
What is Jeffrey Alan Mason, DO's NPI number?
Jeffrey Alan Mason, DO's National Provider Identifier (NPI) is 1760490957, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Alan Mason, DO located?
The NPPES record lists a practice address at 50 N Perry St, Pontiac, MI, 48342. Phone: (248) 338-5645. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Alan Mason, DO's license?
NPPES lists Michigan license number 5101015290, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jeffrey Alan Mason, DO prescribe under Medicare Part D?
In 2024, Jeffrey Alan Mason, DO had 420 Medicare Part D claims for 146 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Jeffrey Alan Mason, DO's MIPS final score?
The 2023 MIPS final score is 67.6 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.