Sheila Chellappa, M.D.
NPI 1235144999 · Internal Medicine Physician · Coatesville, PA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sheila Chellappa, M.D. is a Internal Medicine Physician provider in Coatesville, PA (NPI 1235144999).
Provider details
- NPI number
- 1235144999
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD-064746-L (PA)
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
- 2006-07-30
- Last updated
- 2007-07-08
Frequently asked questions
- What is Sheila Chellappa's NPI number?
- Sheila Chellappa's National Provider Identifier (NPI) is 1235144999, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sheila Chellappa's specialty?
- Sheila Chellappa is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sheila Chellappa located?
- Sheila Chellappa's practice location on file with NPPES is 1400 Blackhorse Hill Rd, Coatesville, PA 19320-2040.
- What is Sheila Chellappa's phone number?
- The practice phone number listed in the NPPES registry for Sheila Chellappa is (610) 384-7711.
- Does Sheila Chellappa accept Medicare?
- Sheila Chellappa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sheila Chellappa's NPI active?
- Yes — Sheila Chellappa's NPI (1235144999) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.