Otto Leiti, MD
NPI 1346425816 · Internal Medicine Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Otto Leiti, MD is a Internal Medicine Physician provider in Ann Arbor, MI (NPI 1346425816).
Provider details
- NPI number
- 1346425816
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4301091358 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
423 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 158 | $75 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 96 | $47 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 53 | $109 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 50 | $113 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 26 | $77 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 23 | 13 |
| Apixabanbrand: Eliquis | 23 | 15 |
| Pantoprazole Sodium | 22 | 20 |
| Metoprolol Succinate | 15 | — |
| Bisoprolol Fumarate | 13 | 12 |
| Atorvastatin Calcium | 12 | — |
| Bumetanide | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-01-03
- Last updated
- 2015-05-20
Frequently asked questions
- What is Otto Leiti's NPI number?
- Otto Leiti's National Provider Identifier (NPI) is 1346425816, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Otto Leiti's specialty?
- Otto Leiti is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Otto Leiti located?
- Otto Leiti's practice location on file with NPPES is 1500 E Medical Center Drive, Ann Arbor, MI 48109-5352.
- What is Otto Leiti's phone number?
- The practice phone number listed in the NPPES registry for Otto Leiti is (734) 936-5582.
- Does Otto Leiti accept Medicare?
- Otto Leiti is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Otto Leiti's NPI active?
- Yes — Otto Leiti's NPI (1346425816) is active in the NPPES registry as of the last update on 2015-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.