Chadd Nelson, D.O.
NPI 1619904679 · Internal Medicine Physician · Randolph Air Force Base, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chadd Nelson, D.O. is a Internal Medicine Physician provider in Randolph Air Force Base, TX (NPI 1619904679).
Provider details
- NPI number
- 1619904679
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 285235-1204 (UT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-06-27
- Last updated
- 2022-09-27
- Certified
- 2022-09-27
Frequently asked questions
- What is Chadd Nelson's NPI number?
- Chadd Nelson's National Provider Identifier (NPI) is 1619904679, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chadd Nelson's specialty?
- Chadd Nelson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chadd Nelson located?
- Chadd Nelson's practice location on file with NPPES is 221 3rd St W, Randolph Air Force Base, TX 78150-4800.
- What is Chadd Nelson's phone number?
- The practice phone number listed in the NPPES registry for Chadd Nelson is (210) 652-6403.
- Does Chadd Nelson accept Medicare?
- Chadd Nelson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chadd Nelson's NPI active?
- Yes — Chadd Nelson's NPI (1619904679) is active in the NPPES registry as of the last update on 2022-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.