Registry data as of Aug 27, 2026

J Mark Joliat, MD

Internal Medicine Physician · Troy, MI

J Mark Joliat, MD is an internal medicine physician with a practice address in Troy, Michigan, and NPI 1780645143, issued on Mar 28, 2006. Check the license on the Michigan Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1780645143
Name
J Mark Joliat
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
4600 Investment Dr, Troy, MI 48098
Phone
(248) 267-5000
Enumerated
Mar 28, 2006
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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Also registered at 4600 Investment Dr

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

  1. Steven Ajluni, MDCardiovascular Disease Physician1346222353
  2. Fadi Anwar, PT, DPTPhysical Therapist1982243895
  3. Anezi Bakken, MDGastroenterology Physician1568444545
  4. Kathleen Barnes, RNAdult Health Nurse Practitioner1568446383
  5. Michelle Biddinger, MDInternal Medicine Physician1326015033
  6. Sante Bologna, MDGastroenterology Physician1972585925

Verify J Mark Joliat in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of MedicineCheck 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.

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

7,696 Medicare Part D claims for 545 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 225 claims were for opioids.

  1. J Mark Joliat7,696
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium419 claims
  2. Losartan Potassium376 claims
  3. Metoprolol Succinate327 claims
  4. Rosuvastatin Calcium266 claims
  5. Levothyroxine Sodium262 claims
  6. Ezetimibe253 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 Medicare quality score for 2023: 51.3 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score71.0
  2. Costout of 100 · 30%100.0
  3. Promoting interoperabilityout of 100 · 25%0.0
  4. Improvement activities0 of 40 points · 15%0.0

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

Industry payments in 2024: $706.11

14 payments, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. J Mark Joliat$706.11
  2. Specialty average$2,536.66

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

One hospital or facility affiliation

  1. Arcturus Healthcare PLCRochester Hills, MI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

127 internal medicine physician records list a Troy practice address

They are 127 of the 3,809 NPPES records with a Troy practice address, and 6,589 internal medicine physician records in Michigan.

Other internal medicine physician records in Michigan

  1. Keith Aaronson, MDAnn Arbor, MI1144305301
  2. Tomas Abalo, M.D.Iron Mountain, MI1336199975
  3. Ali Abbas, M.D.Pontiac, MI1972167526
  4. Hawazin Abbas, MDAuburn Hills, MI1699020677
  5. Imran Abbasi, D.O.Warren, MI1427409887
  6. Ramzi Abbasi, MDSaginaw, MI1164270005
  7. Saadat Abbasi, MDKalamazoo, MI1912005596
  8. Shahzaman Abbasi, MDLansing, MI1376512111
  9. Youssef Abbiss, D.O.Mount Clemens, MI1982991881
  10. Joseph Abbo, MDYpsilanti, MI1982136503

Common questions

What is J Mark Joliat, MD's NPI number?

J Mark Joliat, MD's National Provider Identifier (NPI) is 1780645143, issued on Mar 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is J Mark Joliat, MD located?

The NPPES record lists a practice address at 4600 Investment Dr, Troy, MI, 48098. Phone: (248) 267-5000. Providers update this record themselves, so call before visiting.

How can I verify J Mark Joliat, MD's license?

Search the Michigan Board of Medicine at https://www.michigan.gov/lara/bureau-list/bpl/health/hp-lic-health-prof/medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does J Mark Joliat, MD prescribe under Medicare Part D?

In 2024, J Mark Joliat, MD had 7,696 Medicare Part D claims for 545 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

What is J Mark Joliat, MD's Medicare quality score?

The 2023 MIPS final score is 51.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.