Registry data as of Aug 27, 2026

John Calder, M.D.

Diagnostic Radiology Physician · Marble Falls, TX

John Calder, M.D. is a diagnostic radiology physician with a practice address in Marble Falls, Texas, and NPI 1740240829, issued on Mar 24, 2006. Check the license (Texas L2164, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1740240829
Name
John Calder
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
L2164 TX
Self-reported in NPPES; status is on the state search
Practice location
810 W Highway 71, Marble Falls, TX 78654
Phone
(830) 201-8000
Enumerated
Mar 24, 2006
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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Also registered at 810 W Highway 71

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Raju Behara, MDAnesthesiology Physician1558990176
  2. Judith Brown, D.OObstetrics & Gynecology Physician1376923748
  3. Robert Browning, CRNACertified Registered Nurse Anesthetist1417972464
  4. Sara Browning, CRNACertified Registered Nurse Anesthetist1104255801
  5. Stefan Buca, M.D.Emergency Medicine Physician1417121799
  6. Jennifer Cameron, MDFamily Medicine Physician1891751327

Verify John Calder in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license L2164
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

One hospital or facility affiliation

  1. Scott And White ClinicTemple, TX

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Diagnostic Radiology Physician providers in Texas

There are 2,755 diagnostic radiology physician records in Texas.

Other diagnostic radiology physician records in Texas

  1. Solomon Abay, M.D.Austin, TX1295122885
  2. Ahmed Abdel Aal, MD, PHDHouston, TX1215076344
  3. Abeer Abdelhafez, MDHouston, TX1225791338
  4. Waleed Abdellatif, MBBCH, MSC, MSHPEHouston, TX1629737770
  5. Fouad Abdole, MDHouston, TX1073196317
  6. Davood Abdollahian, M.D.Houston, TX1902199474
  7. Osama Abdul-Rahim, M.D.McKinney, TX1568774065
  8. Creed Abell, M.D.Columbus, TX1619965100
  9. Joshua AbramowitzAustin, TX1689676975
  10. Michael Achilleos, MDFort Worth, TX1396189494

Common questions

What is John Calder, M.D.'s NPI number?

John Calder, M.D.'s National Provider Identifier (NPI) is 1740240829, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Calder, M.D. located?

The NPPES record lists a practice address at 810 W Highway 71, Marble Falls, TX, 78654. Phone: (830) 201-8000. Providers update this record themselves, so call before visiting.

How can I verify John Calder, M.D.'s license?

NPPES lists Texas license number L2164, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.