Therese Maszatics Johnson, MD
Family Medicine Physician · Royal Oak, MI
Therese Maszatics Johnson, MD is a family medicine physician with a practice address in Royal Oak, Michigan, and NPI 1841230893, issued on Jun 7, 2006. Check the license (Michigan 4301054368, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Therese Maszatics Johnson
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 4301054368 MI
JJ054368 MI
Self-reported in NPPES; status is on the state search - Practice location
- 4949 Coolidge Hwy, Royal Oak, MI 48073
- Phone
- (248) 655-5900
- Enumerated
- Jun 7, 2006
- Record last updated
- May 21, 2025
- Medicaid ID
- 104707358 MI
- Medicare enrollment
- Enrolled (PECOS I20040729001313); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,013 in Michigan → Look up another NPI →
Also registered at 4949 Coolidge Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karen Agresta, OTRLOccupational Therapist1730684309
- Michael Alfonsi, MS, LAT, ATCAthletic Trainer1427553296
- Nahleh Ali, M.A., CCC-SLPSpeech-Language Pathologist1225504954
- Neal Alpiner, M.D.Physical Medicine & Rehabilitation Physician1881755544
- Richard AnanPhysical Therapist1942703400
- Marina Bacus, PT, DPTPhysical Therapist1598395782
Verify Therese Maszatics Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301054368Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
45 Medicare Part D claims for 16 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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): 81 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).
Industry payments in 2024: $46.98
2 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Ascension Brighton Center For RecoveryBrighton, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Therese Maszatics Johnson among 6,013 family medicine physician records in Michigan
Therese Maszatics Johnson, MD is one of 6,013 family medicine physician records with a practice address in Michigan. 75% 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 11% of them.
- NPI issued2006 · 11% of these records are older, 56% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1993 · median 2008 among the 3,493 with a school on file
- Record last updated2025 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in Michigan
There are 6,013 family medicine physician records in Michigan.
All 6,013 in Michigan → Every provider in Royal Oak → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Daniel CesarioRoyal Oak, MI 480731952550949
- Paul Ehrmann, D.O.Royal Oak, MI 480731417047762
- Vincent Granowicz, DORoyal Oak, MI 480731528057270
- William Gunther, D.O.Royal Oak, MI 480731548795230
- Raluca LoweRoyal Oak, MI 480731760631766
- Julie Mariotti, MDRoyal Oak, MI 480731790767374
- Stephen Mason, MDRoyal Oak, MI 480731528390259
- Abigail Neal, MDRoyal Oak, MI 480731346462934
Common questions
What is Therese Maszatics Johnson, MD's NPI number?
Therese Maszatics Johnson, MD's National Provider Identifier (NPI) is 1841230893, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Therese Maszatics Johnson, MD located?
The NPPES record lists a practice address at 4949 Coolidge Hwy, Royal Oak, MI, 48073. Phone: (248) 655-5900. Providers update this record themselves, so call before visiting.
How can I verify Therese Maszatics Johnson, MD's license?
NPPES lists Michigan license number 4301054368, 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 Therese Maszatics Johnson, MD prescribe under Medicare Part D?
In 2024, Therese Maszatics Johnson, MD had 45 Medicare Part D claims for 16 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Therese Maszatics Johnson, MD's MIPS final score?
The 2023 MIPS final score is 81 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.