NPPES file of Aug 9, 2026

Marcos Calderon, M.D.

Nuclear Medicine Physician · Houston, TX

Marcos Calderon, M.D. is a nuclear medicine physician with a practice address in Houston, Texas, and NPI 1306827423, issued on Nov 7, 2005. Check the license (Texas E0226, 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
1306827423
Name
Marcos Calderon
Credential
M.D.
Primary taxonomy
Nuclear Medicine Physician 207U00000X
License number
E0226 TX
Self-reported in NPPES; status is on the state search
Practice location
12951 South Fwy, Houston, TX 77047
Phone
(713) 526-5771
Enumerated
Nov 7, 2005
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(713) 526-2036
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 nuclear medicine physician records → All 51 in Texas → Look up another NPI →

Also registered at 12951 South Fwy

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

  1. Rajesh Amin, M.D.Diagnostic Radiology Physician1245220102
  2. Merle Barth, M.D.Diagnostic Radiology Physician1366432239
  3. John Baxt, M.D.Diagnostic Radiology Physician1679564504
  4. Sherri Birchansky, M.D.Neuroradiology Physician1073520540
  5. Donald Blake, M.D.Diagnostic Radiology Physician1013908607
  6. Mona Bloom, M.D.Diagnostic Radiology Physician1760473193

Verify Marcos Calderon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license E0226    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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86% fewer Medicare Part D claims than the average nuclear medicine physician in 2024

40 Medicare Part D claims, against an average of 285 among the 75 providers of this specialty who prescribed in Part D.

  1. Marcos Calderon40
  2. Specialty average285

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.

Marcos Calderon among 51 nuclear medicine physician records in Texas

Marcos Calderon, M.D. is one of 51 nuclear medicine physician records with a practice address in Texas. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 96% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2007 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207U00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nuclear Medicine Physician providers in Texas

There are 51 nuclear medicine physician records in Texas.

All 51 in Texas → Every provider in Houston → Nuclear Medicine Physician nationwide →

The 8 nuclear medicine physician records with the nearest ZIP codes

  1. Anupa Arora, M.D.Houston, TX 770301629293808
  2. Hubert Chuang, MDHouston, TX 770301346449147
  3. Ayman Farag, MDHouston, TX 770301194344457
  4. Lesley Flynt, MDHouston, TX 770301578980769
  5. Aaron Jessop, MDHouston, TX 770301841483385
  6. Simone Krebs, M.D.Houston, TX 770301861898728
  7. Daniel Lee, M.D.Houston, TX 770301780839183
  8. Yang Lu, M.D., PH.D.Houston, TX 770301982850657

Common questions

What is Marcos Calderon, M.D.'s NPI number?

Marcos Calderon, M.D.'s National Provider Identifier (NPI) is 1306827423, issued on Nov 7, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Marcos Calderon, M.D. located?

The NPPES record lists a practice address at 12951 South Fwy, Houston, TX, 77047. Phone: (713) 526-5771. Providers update this record themselves, so call before visiting.

How can I verify Marcos Calderon, M.D.'s license?

NPPES lists Texas license number E0226, 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 Marcos Calderon, M.D. prescribe under Medicare Part D?

In 2024, Marcos Calderon, M.D. had 40 Medicare Part D claims; the average among nuclear medicine physician prescribers was 285. 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.