Nicholas Onaca, M.D.
NPI 1043267941 · Transplant Surgery Physician · Fort Worth, TX
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Onaca, M.D. is a Transplant Surgery Physician provider in Fort Worth, TX (NPI 1043267941).
Provider details
- NPI number
- 1043267941
- Entity type
- Individual
- Primary specialty
- Transplant Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- L8869 (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
- 2006-05-27
- Last updated
- 2014-10-21
Frequently asked questions
- What is Nicholas Onaca's NPI number?
- Nicholas Onaca's National Provider Identifier (NPI) is 1043267941, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Onaca's specialty?
- Nicholas Onaca is listed in the NPPES registry with a primary specialty of Transplant Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Onaca located?
- Nicholas Onaca's practice location on file with NPPES is 1400 8th Ave, Fort Worth, TX 76104-4110.
- What is Nicholas Onaca's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Onaca is (817) 922-4650.
- Does Nicholas Onaca accept Medicare?
- Nicholas Onaca is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Onaca's NPI active?
- Yes — Nicholas Onaca's NPI (1043267941) is active in the NPPES registry as of the last update on 2014-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.