NPPES file of Aug 9, 2026

John H. Fischer, M.D.

Vascular & Interventional Radiology Physician · Sugar Land, TX

John H. Fischer, M.D. is a vascular & interventional radiology physician with a practice address in Sugar Land, Texas, and NPI 1437140597, issued on Oct 28, 2005. Check the license (Texas K1193, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437140597
Name
John H. Fischer
Credential
M.D.
Primary taxonomy
Vascular & Interventional Radiology Physician 2085R0204X
License number
K1193 TX
Self-reported in NPPES; status is on the state search
Practice location
4690 Sweetwater Blvd Ste 200, Sugar Land, TX 77479
Phone
(281) 565-0033
Enumerated
Oct 28, 2005
Record last updated
Jul 18, 2024
Fax
(281) 565-0568
Medicare enrollment
Enrolled (PECOS I20120430000752); accepts Medicare assignment
Medical or professional school
Baylor College Of Medicine, 1994
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4690 Sweetwater Blvd Ste 200

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

  1. Heather Citro, MS, PA-CPhysician Assistant1588783948
  2. Shauna GordonMedical Physician Assistant1639569635
  3. Meagan Ong, PA-CPhysician Assistant1831455062

Verify John H. Fischer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license K1193
    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.

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43% fewer Medicare Part D claims than the average vascular & interventional radiology physician in 2024

43 Medicare Part D claims, against an average of 75 among the 1,444 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. John Fischer43
  2. Specialty average75

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 83.1 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.2
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $56.82

3 payments; by number, the most common kind was food and beverage; the largest payer was Mimedx Group, Inc. The 3,457 providers of this specialty with any payment received $7,206.73 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Fischer$56.82
  2. Specialty average$7,206.73

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Interventional Partners PLLCKaty, TX
  2. Singleton Associates PAShenandoah, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John H. Fischer among 324 vascular & interventional radiology physician records in Texas

John H. Fischer, M.D. is one of 324 vascular & interventional radiology physician records with a practice address in Texas. 94% 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, 91% newer
  • In a Medicare fileYes · 94% of these records are
  • In the CMS Doctors and Clinicians fileYes · 88% of these records are
  • Graduated1994 · median 2008 among the 284 with a school on file
  • Record last updated2024 · 33% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0204X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Vascular & Interventional Radiology Physician providers in Texas

There are 324 vascular & interventional radiology physician records in Texas.

The 8 vascular & interventional radiology physician records with the nearest ZIP codes

  1. Carlos Hamilton, MDSugar Land, TX 774791225077308
  2. Andrew Gomes, MDPasadena, TX 775041215068796
  3. David Chiao, MDBay City, TX 774141336431352
  4. Farhan Ahmad, M.D.Galveston, TX 775551346773777
  5. Bharanidhar Chandrasekaran, MDGalveston, TX 775551083844534
  6. Mustafa Belal Chaudhry, MD, FCPS, EBIRGalveston, TX 775551528849809
  7. Haroon Dossani, MDGalveston, TX 775551629907894
  8. Obadah Ezzeldin, MDGalveston, TX 775551245724343

Common questions

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

John H. Fischer, M.D.'s National Provider Identifier (NPI) is 1437140597, issued on Oct 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John H. Fischer, M.D. located?

The NPPES record lists a practice address at 4690 Sweetwater Blvd Ste 200, Sugar Land, TX, 77479. Phone: (281) 565-0033. Providers update this record themselves, so call before visiting.

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

NPPES lists Texas license number K1193, 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 John H. Fischer, M.D. prescribe under Medicare Part D?

In 2024, John H. Fischer, M.D. had 43 Medicare Part D claims; the average among vascular & interventional radiology physician prescribers was 75. Part D covers Medicare prescriptions only.

What is John H. Fischer, M.D.'s MIPS final score?

The 2023 MIPS final score is 83.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.

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.