John Ridge, M.D.
NPI 1841212008 · Surgical Oncology Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Ridge, M.D. is a Surgical Oncology Physician provider in Philadelphia, PA (NPI 1841212008).
Provider details
- NPI number
- 1841212008
- Entity type
- Individual
- Primary specialty
- Surgical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD045188L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
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
- 2006-07-24
- Last updated
- 2018-04-13
Frequently asked questions
- What is John Ridge's NPI number?
- John Ridge's National Provider Identifier (NPI) is 1841212008, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Ridge's specialty?
- John Ridge is listed in the NPPES registry with a primary specialty of Surgical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John Ridge located?
- John Ridge's practice location on file with NPPES is 333 Cottman Ave, Philadelphia, PA 19111-2434.
- What is John Ridge's phone number?
- The practice phone number listed in the NPPES registry for John Ridge is (215) 728-6900.
- Does John Ridge accept Medicare?
- John Ridge is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Ridge's NPI active?
- Yes — John Ridge's NPI (1841212008) is active in the NPPES registry as of the last update on 2018-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.