Nathan Oommen
NPI 1821880881 · Surgery Physician · Philadelphia, PA
Enrolled with Medicare as Order and Referring Only - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Oommen is a Surgery Physician provider in Philadelphia, PA (NPI 1821880881).
Provider details
- NPI number
- 1821880881
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Sole proprietor
- Yes
- License
- X (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
1 yr 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
- 2025-05-19
- Last updated
- 2025-05-19
- Certified
- 2025-05-18
Frequently asked questions
- What is Nathan Oommen's NPI number?
- Nathan Oommen's National Provider Identifier (NPI) is 1821880881, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Oommen's specialty?
- Nathan Oommen is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Oommen located?
- Nathan Oommen's practice location on file with NPPES is 1015 Walnut St Ste 620, Philadelphia, PA 19107-5005.
- What is Nathan Oommen's phone number?
- The practice phone number listed in the NPPES registry for Nathan Oommen is (215) 955-6864.
- Does Nathan Oommen accept Medicare?
- Nathan Oommen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Oommen's NPI active?
- Yes — Nathan Oommen's NPI (1821880881) is active in the NPPES registry as of the last update on 2025-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.