Ralph Blumhardt, MD
NPI 1811004880 · Diagnostic Radiology Physician · San Antonio, TX
Ralph Blumhardt, MD is a Diagnostic Radiology Physician provider in San Antonio, TX (NPI 1811004880).
Provider details
- NPI number
- 1811004880
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G4084 (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
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
- 2006-08-24
- Last updated
- 2013-06-25
Frequently asked questions
- What is Ralph Blumhardt's NPI number?
- Ralph Blumhardt's National Provider Identifier (NPI) is 1811004880, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ralph Blumhardt's specialty?
- Ralph Blumhardt is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ralph Blumhardt located?
- Ralph Blumhardt's practice location on file with NPPES is 4502 Medical Dr, San Antonio, TX 78229-4402.
- What is Ralph Blumhardt's phone number?
- The practice phone number listed in the NPPES registry for Ralph Blumhardt is (210) 257-1400.
- Is Ralph Blumhardt's NPI active?
- Yes — Ralph Blumhardt's NPI (1811004880) is active in the NPPES registry as of the last update on 2013-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.