Matthias Kretzler, MD
Nephrology Physician · Ann Arbor, MI
Matthias Kretzler, MD is a nephrology physician with a practice address in Ann Arbor, Michigan, and NPI 1710990916, issued on Aug 15, 2006. Check the license (Michigan 4301086946, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Matthias Kretzler
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 4301086946 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1500 E Medical Center Dr, Ann Arbor, MI 48109
- Phone
- (734) 936-4000
- Enumerated
- Aug 15, 2006
- Record last updated
- Jun 27, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 376 in Michigan → Look up another NPI →
Also registered at 1500 E Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Matthias Kretzler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301086946Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 79.3 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: $17,422.73
20 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka Pharmaceutical Development & Commercialization, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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.
Matthias Kretzler among 376 nephrology physician records in Michigan
Matthias Kretzler, MD is one of 376 nephrology 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. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 48% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 74% of these records are
- Record last updated2019 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Michigan
There are 376 nephrology physician records in Michigan.
All 376 in Michigan → Every provider in Ann Arbor → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Farsad Afshinnia, MDAnn Arbor, MI 481091164487161
- Mona Doshi, MDAnn Arbor, MI 481091215974712
- Harvey Humes, M.D.Ann Arbor, MI 481091386734119
- Sanjeevkumar Patel, MDAnn Arbor, MI 481091346322252
- Subramaniam Pennathur, MDAnn Arbor, MI 481091861405185
- Bruce Robinson, MD, MSAnn Arbor, MI 481091154402360
- Rajiv Saran, MB, BSAnn Arbor, MI 481091144302068
- Jonathan Segal, MDAnn Arbor, MI 481091720160641
Common questions
What is Matthias Kretzler, MD's NPI number?
Matthias Kretzler, MD's National Provider Identifier (NPI) is 1710990916, issued on Aug 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Matthias Kretzler, MD located?
The NPPES record lists a practice address at 1500 E Medical Center Dr, Ann Arbor, MI, 48109. Phone: (734) 936-4000. Providers update this record themselves, so call before visiting.
How can I verify Matthias Kretzler, MD's license?
NPPES lists Michigan license number 4301086946, 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.
What is Matthias Kretzler, MD's MIPS final score?
The 2023 MIPS final score is 79.3 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.