Registry data as of Aug 27, 2026

Otto Leiti, MD

Internal Medicine Physician · Ann Arbor, MI

Otto Leiti, MD is an internal medicine physician with a practice address in Ann Arbor, Michigan, and NPI 1346425816, issued on Jan 3, 2008. Check the license (Michigan 4301091358, as entered in NPPES) 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
1346425816
Name
Otto Leiti
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
4301091358 MI
Self-reported in NPPES; status is on the state search
Practice location
1500 E Medical Center Drive, Ann Arbor, MI 48109
Phone
(734) 936-5582
Enumerated
Jan 3, 2008
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 1500 E Medical Center Drive

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

  1. Ghada Abusin, M.D.Pediatrics Physician1992981435
  2. Andrew Adan, M.D.Student in an Organized Health Care Education/Training Program1922488196
  3. Crystal Addison, PAPhysician Assistant1235689100
  4. Mahamud Ahmed, MDStudent in an Organized Health Care Education/Training Program1922743004
  5. Alaa Al Habbal, DOPsychiatry Physician1992493704
  6. Caleb Allred, MDStudent in an Organized Health Care Education/Training Program1982491122

Verify Otto Leiti in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine
    Search for license 4301091358
    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.

87% fewer Medicare Part D claims than the average internal medicine physician in 2024

362 Medicare Part D claims for 136 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Otto Leiti362
  2. Specialty average2,785

Most prescribed

  1. Amlodipine Besylate23 claims
  2. Eliquis23 claims
  3. Pantoprazole Sodium22 claims
  4. Metoprolol Succinate15 claims
  5. Bisoprolol Fumarate13 claims
  6. Atorvastatin Calcium12 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.

One hospital or facility affiliation

  1. Mymichigan Medical GroupMidland, 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.

845 internal medicine physician records list a Ann Arbor practice address

They are 845 of the 15,616 NPPES records with a Ann Arbor 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 Otto Leiti, MD's NPI number?

Otto Leiti, MD's National Provider Identifier (NPI) is 1346425816, issued on Jan 3, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Otto Leiti, MD located?

The NPPES record lists a practice address at 1500 E Medical Center Drive, Ann Arbor, MI, 48109. Phone: (734) 936-5582. Providers update this record themselves, so call before visiting.

How can I verify Otto Leiti, MD's license?

NPPES lists Michigan license number 4301091358, as entered by the provider. 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 Otto Leiti, MD prescribe under Medicare Part D?

In 2024, Otto Leiti, MD had 362 Medicare Part D claims for 136 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

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.