Charles Felger, MD
NPI 1235105289 · Internal Medicine Physician · Austin, TX
Charles Felger, MD is a Internal Medicine Physician provider in Austin, TX (NPI 1235105289).
Provider details
- NPI number
- 1235105289
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D1906 (TX)
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
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
- 2006-02-28
- Last updated
- 2008-07-07
Frequently asked questions
- What is Charles Felger's NPI number?
- Charles Felger's National Provider Identifier (NPI) is 1235105289, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Felger's specialty?
- Charles Felger is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Felger located?
- Charles Felger's practice location on file with NPPES is 12221 Mopac Expressway N, Austin, TX 78758-2483.
- What is Charles Felger's phone number?
- The practice phone number listed in the NPPES registry for Charles Felger is (512) 901-4026.
- Is Charles Felger's NPI active?
- Yes — Charles Felger's NPI (1235105289) is active in the NPPES registry as of the last update on 2008-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.