NPPES file of Aug 9, 2026

Karen Lucille Geiger, M.D.

Diagnostic Radiology Physician · San Antonio, TX

Karen Lucille Geiger, M.D. is a diagnostic radiology physician with a practice address in San Antonio, Texas, and NPI 1346443280, issued on Jun 7, 2007. Check the license (Texas J6454, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1346443280
Name
Karen Lucille Geiger
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
J6454 TX
Self-reported in NPPES; status is on the state search
Practice location
6738 Spring Hurst St, San Antonio, TX 78249
Phone
(210) 690-0319
Enumerated
Jun 7, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(210) 690-1837
Medicaid ID
00681J8 TX
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest diagnostic radiology physician records → All 3,124 in Texas → Look up another NPI →

Verify Karen Lucille Geiger in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license J6454    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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78% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024

11 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Karen Geiger11
  2. Specialty average51

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Karen Lucille Geiger among 3,124 diagnostic radiology physician records in Texas

Karen Lucille Geiger, M.D. is one of 3,124 diagnostic radiology physician records with a practice address in Texas. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 51% of them.

  • NPI issued2007 · 51% of these records are older, 39% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 73% of these records are
  • Record last updated2007 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in Texas

There are 3,124 diagnostic radiology physician records in Texas.

All 3,124 in Texas → Every provider in San Antonio → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Carl Keener, PHDSan Antonio, TX 782481316337140
  2. James Remkus, M.D.San Antonio, TX 782481659388163
  3. Mark Boykin, M.D.San Antonio, TX 782551912091109
  4. Dwight Townsend, MDSan Antonio, TX 782551811981590
  5. Terry Collins, M.D.San Antonio, TX 782571992772487
  6. Raul Pelaez Antelo, M. D.San Antonio, TX 782571285742247
  7. Eil Park, MDSan Antonio, TX 782581366587156
  8. Anthony Stavros, M.D.San Antonio, TX 782401982658381

Common questions

What is Karen Lucille Geiger, M.D.'s NPI number?

Karen Lucille Geiger, M.D.'s National Provider Identifier (NPI) is 1346443280, issued on Jun 7, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Karen Lucille Geiger, M.D. located?

The NPPES record lists a practice address at 6738 Spring Hurst St, San Antonio, TX, 78249. Phone: (210) 690-0319. Providers update this record themselves, so call before visiting.

How can I verify Karen Lucille Geiger, M.D.'s license?

NPPES lists Texas license number J6454, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Karen Lucille Geiger, M.D. prescribe under Medicare Part D?

In 2024, Karen Lucille Geiger, M.D. had 11 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.