NPPES file of Aug 9, 2026

Phillip J. Masterson, M.D.

Emergency Medicine Physician · Pontiac, MI

Phillip J. Masterson, M.D. is an emergency medicine physician with a practice address in Pontiac, Michigan, and NPI 1104873579, issued on May 30, 2006. Check the license (Michigan 4301406121, as entered in NPPES) on the Michigan Board of Medicine (LARA); the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1104873579
Name
Phillip J. Masterson
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
4301406121 MI
Self-reported in NPPES; status is on the state search
Practice location
461 W Huron St, Pontiac, MI 48341
Phone
(248) 857-7440
Enumerated
May 30, 2006
Record last updated
Jan 23, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(248) 857-6992
Medicaid ID
104405849 MI
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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8 nearest emergency medicine physician records → All 3,083 in Michigan → Look up another NPI →

Also registered at 461 W Huron St

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

  1. Shanti Anderson, LPCMental Health Counselor1821411653
  2. Barbara Araszkiewicz-Baj, M.D.Anesthesiology Physician1932285434
  3. Lavonda Armstrong-Browder, MDAnesthesiology Physician1154494656
  4. Nitika Bansal, MDFamily Medicine Physician1821470691
  5. Kamel Barakat, MDFamily Medicine Physician1427579812
  6. Jennifer Betthauser, CNMT, RT(N)Nuclear Medicine Technology Radiologic Technologist1568509743

Verify Phillip J. Masterson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301406121    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 Michigan license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Phillip J. Masterson among 3,083 emergency medicine physician records in Michigan

Phillip J. Masterson, M.D. is one of 3,083 emergency medicine physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 77% newer
  • In a Medicare fileNo · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2012 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

59 emergency medicine physician records list a practice address in Pontiac

They are 59 of the 1,951 NPPES records with a practice address in Pontiac, and 3,083 emergency medicine physician records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 3,083 in Michigan → Every provider in Pontiac → Emergency Medicine Physician nationwide →

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Zachary Jarou, MD, MBAPontiac, MI 483411992123715
  2. Scott Kleiman, D.O.Pontiac, MI 483411942257407
  3. Alexander Madgy, MDPontiac, MI 483411063653673
  4. Sean Mohon, D.O.Pontiac, MI 483411164862561
  5. William Serote, D.O.Pontiac, MI 483411033166590
  6. Elizabeth Smith, MDPontiac, MI 483411417586074
  7. Roy Solano, MDPontiac, MI 483411457581589
  8. Charles Wasson, M.D.Pontiac, MI 483411851348312

Common questions

What is Phillip J. Masterson, M.D.'s NPI number?

Phillip J. Masterson, M.D.'s National Provider Identifier (NPI) is 1104873579, issued on May 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Phillip J. Masterson, M.D. located?

The NPPES record lists a practice address at 461 W Huron St, Pontiac, MI, 48341. Phone: (248) 857-7440. Providers update this record themselves, so call before visiting.

How can I verify Phillip J. Masterson, M.D.'s license?

NPPES lists Michigan license number 4301406121, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.