Douglas Rottmann, M.D.
NPI 1326494881 · Anatomic Pathology & Clinical Pathology Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Rottmann, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Ann Arbor, MI (NPI 1326494881).
Provider details
- NPI number
- 1326494881
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301503707 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 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
934 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) |
|---|---|---|
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 490 | $27 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 128 | $35 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 98 | $33 |
| Surgical Pathology Consultation and Report on Referred Slides Prepared Elsewhere88321 | 82 | $81 |
| Pathology Examination of Tissue Using a Microscope, Limited Examination88300 | 41 | $4 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 36 | $78 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-05-13
- Last updated
- 2021-06-07
- Certified
- 2021-06-07
Frequently asked questions
- What is Douglas Rottmann's NPI number?
- Douglas Rottmann's National Provider Identifier (NPI) is 1326494881, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Rottmann's specialty?
- Douglas Rottmann is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Rottmann located?
- Douglas Rottmann's practice location on file with NPPES is 1500 E Medical Center Dr, Ann Arbor, MI 48109-5000.
- What is Douglas Rottmann's phone number?
- The practice phone number listed in the NPPES registry for Douglas Rottmann is (734) 936-4000.
- Does Douglas Rottmann accept Medicare?
- Douglas Rottmann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Rottmann's NPI active?
- Yes — Douglas Rottmann's NPI (1326494881) is active in the NPPES registry as of the last update on 2021-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.