Felix Shardonofsky, M.D.
NPI 1225097546 · Pediatric Pulmonology Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Felix Shardonofsky, M.D. is a Pediatric Pulmonology Physician provider in San Antonio, TX (NPI 1225097546).
Provider details
- NPI number
- 1225097546
- Entity type
- Individual
- Primary specialty
- Pediatric Pulmonology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- J9805 (TX)
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
20 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
- 2006-03-23
- Last updated
- 2014-09-30
Frequently asked questions
- What is Felix Shardonofsky's NPI number?
- Felix Shardonofsky's National Provider Identifier (NPI) is 1225097546, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Felix Shardonofsky's specialty?
- Felix Shardonofsky is listed in the NPPES registry with a primary specialty of Pediatric Pulmonology Physician (Allopathic & Osteopathic Physicians).
- Where is Felix Shardonofsky located?
- Felix Shardonofsky's practice location on file with NPPES is 333 N Santa Rosa St, San Antonio, TX 78207-3108.
- What is Felix Shardonofsky's phone number?
- The practice phone number listed in the NPPES registry for Felix Shardonofsky is (210) 704-4708.
- Does Felix Shardonofsky accept Medicare?
- Felix Shardonofsky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Felix Shardonofsky's NPI active?
- Yes — Felix Shardonofsky's NPI (1225097546) is active in the NPPES registry as of the last update on 2014-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.