Ann Marshall, M.D.
NPI 1285861625 · Anatomic Pathology & Clinical Pathology Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Marshall, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Indianapolis, IN (NPI 1285861625).
Provider details
- NPI number
- 1285861625
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 390200000X (IN)
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
17 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
2,085 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 901 | $34 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 182 | $75 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 179 | $25 |
| Evaluation of Fine Needle Aspirate With Interpretation and Report88173 | 148 | $62 |
| Cell Examination of Specimen, Concentration Technique88108 | 143 | $21 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 126 | $32 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-06-12
- Last updated
- 2014-04-24
Frequently asked questions
- What is Ann Marshall's NPI number?
- Ann Marshall's National Provider Identifier (NPI) is 1285861625, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Marshall's specialty?
- Ann Marshall is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Ann Marshall located?
- Ann Marshall's practice location on file with NPPES is 350 W 11th St, Indianapolis, IN 46202-4108.
- What is Ann Marshall's phone number?
- The practice phone number listed in the NPPES registry for Ann Marshall is (317) 491-6000.
- Does Ann Marshall accept Medicare?
- Ann Marshall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Marshall's NPI active?
- Yes — Ann Marshall's NPI (1285861625) is active in the NPPES registry as of the last update on 2014-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.