Johnathen Diaz, MD
Anesthesiology Physician · Ann Arbor, MI
Johnathen Diaz, MD is an anesthesiology physician with a practice address in Ann Arbor, Michigan, and NPI 1790301364, issued on Jun 19, 2020. Check the license on the Michigan Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Johnathen Diaz
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- Practice location
- 1500 E. Medical Center Dr, Ann Arbor, MI 48109
- Phone
- (734) 936-4280
- Enumerated
- Jun 19, 2020
- Entity
- Type 1 · individual
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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- Mariko Ching, MDStudent in an Organized Health Care Education/Training Program1023792819
- Ann Cook, NPNurse Practitioner1780769737
- Maia DinsmoreEmergency Medicine Physician1437888781
- Andrew Lekarczyk, MDStudent in an Organized Health Care Education/Training Program1205676681
Verify Johnathen Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
One hospital or facility affiliation
- Gulf-TO-Bay Anesthesiology Associates LLCTampa, FL
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.
369 anesthesiology physician records list a Ann Arbor practice address
They are 369 of the 15,616 NPPES records with a Ann Arbor practice address, and 1,715 anesthesiology physician records in Michigan.
All 369 in Ann Arbor → All 1,715 in Michigan → Every provider in Ann Arbor →
Other anesthesiology physician records in Michigan
- Josianne Abboud, MDDetroit, MI1912342791
- Samir Abdo, MDAnn Arbor, MI1275740128
- Tammam Abdul-Aziz, MDSaginaw, MI1457343816
- Fawaz Abdulkarim, DOYpsilanti, MI1235718966
- Scott Abela, DOKalamazoo, MI1891258679
- Courtney Abernathy, M.D.Grand Rapids, MI1073771689
- Farah Aboufakhr, MDRoyal Oak, MI1093409260
- Fady AbufarhaDetroit, MI1720669682
- Christine Acho, M.P.H, D.O.Detroit, MI1689033748
- Sabah Acho, MDRoyal Oak, MI1902871700
Common questions
What is Johnathen Diaz, MD's NPI number?
Johnathen Diaz, MD's National Provider Identifier (NPI) is 1790301364, issued on Jun 19, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Johnathen Diaz, MD located?
The NPPES record lists a practice address at 1500 E. Medical Center Dr, Ann Arbor, MI, 48109. Phone: (734) 936-4280. Providers update this record themselves, so call before visiting.
How can I verify Johnathen Diaz, 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.
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.