Ponni Perumalswami, M.D.
NPI 1083818876 · Gastroenterology Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ponni Perumalswami, M.D. is a Gastroenterology Physician provider in Ann Arbor, MI (NPI 1083818876).
Provider details
- NPI number
- 1083818876
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 4301503274 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-13
- Last updated
- 2021-01-12
- Certified
- 2021-01-12
Frequently asked questions
- What is Ponni Perumalswami's NPI number?
- Ponni Perumalswami's National Provider Identifier (NPI) is 1083818876, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ponni Perumalswami's specialty?
- Ponni Perumalswami is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Ponni Perumalswami located?
- Ponni Perumalswami's practice location on file with NPPES is 1500 E Medical Center Dr, Ann Arbor, MI 48109-5000.
- What is Ponni Perumalswami's phone number?
- The practice phone number listed in the NPPES registry for Ponni Perumalswami is (734) 936-4000.
- Does Ponni Perumalswami accept Medicare?
- Ponni Perumalswami is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ponni Perumalswami's NPI active?
- Yes — Ponni Perumalswami's NPI (1083818876) is active in the NPPES registry as of the last update on 2021-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.