NPPES file of Aug 9, 2026

Mahesh Swaminathan, MD

Hematology & Oncology Physician · Houston, TX

Mahesh Swaminathan, MD is a hematology & oncology physician with a practice address in Houston, Texas, and NPI 1851798284, issued on Dec 1, 2014. Check the license (Texas R5476, 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
1851798284
Name
Mahesh Swaminathan
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
R5476 TX
Self-reported in NPPES; status is on the state search
Practice location
1515 Holcombe Blvd, Houston, TX 77030
Phone
(713) 792-6161
Enumerated
Dec 1, 2014
Record last updated
Aug 8, 2022
Medicare enrollment
Enrolled (PECOS I20220825002130); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 1515 Holcombe Blvd

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

  1. Ashley Aaroe, MDNeurology Physician1902295793
  2. Linda Abad, PA-CPhysician Assistant1063928240
  3. Cynthia Abarado, RN, GNPGerontology Nurse Practitioner1851471049
  4. Hussein Abbas, MD, PHDInternal Medicine Physician1609220532
  5. James Abbruzzese, M.D.Medical Oncology Physician1134233224
  6. Karim Abdeldaem, MDEmergency Medicine Physician1558056200

Verify Mahesh Swaminathan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license R5476
    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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68% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

285 Medicare Part D claims for 72 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.

  1. Mahesh Swaminathan285
  2. Specialty average877

Most prescribed

  1. Valacyclovir33 claims
  2. Levofloxacin25 claims
  3. Venclexta17 claims
  4. Posaconazole12 claims
  5. Inqovi11 claims

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): 81.4 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 score81.3
  2. Costout of 100 · 30%50.0
  3. Promoting interoperabilityout of 100 · 25%100.0
  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: $3,028.33

18 payments; by number, the most common kind was food and beverage; the largest payer was Adaptive Biotechnologies Corporation. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mahesh Swaminathan$3,028.33
  2. Specialty average$7,481.41

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

Bills Medicare through one group practice

  1. Physicians Referral ServiceHouston, TX

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

Mahesh Swaminathan among 922 hematology & oncology physician records in Texas

Mahesh Swaminathan, MD is one of 922 hematology & oncology physician records with a practice address in Texas. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 76% of them.

  • NPI issued2014 · 76% of these records are older, 20% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 75% of these records are
  • Graduated2012 · median 2004 among the 691 with a school on file
  • Record last updated2022 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Texas

There are 922 hematology & oncology physician records in Texas.

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Ana AparicioHouston, TX 770301720033657
  2. Ahmed Eid, M.D.Houston, TX 770301649227406
  3. Susan Escudier, M.D.Houston, TX 770301831138221
  4. Lawrence Foote, M.D.Houston, TX 770301295777456
  5. Charles Geyer, MDHouston, TX 770301891795001
  6. Linus Ho, M.D., PH.D.Houston, TX 770301376525980
  7. Kevin Hude, M.D.Houston, TX 770301114996303
  8. Charles Manner, M. D.Houston, TX 770301760443782

Common questions

What is Mahesh Swaminathan, MD's NPI number?

Mahesh Swaminathan, MD's National Provider Identifier (NPI) is 1851798284, issued on Dec 1, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Mahesh Swaminathan, MD located?

The NPPES record lists a practice address at 1515 Holcombe Blvd, Houston, TX, 77030. Phone: (713) 792-6161. Providers update this record themselves, so call before visiting.

How can I verify Mahesh Swaminathan, MD's license?

NPPES lists Texas license number R5476, 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 Mahesh Swaminathan, MD prescribe under Medicare Part D?

In 2024, Mahesh Swaminathan, MD had 285 Medicare Part D claims for 72 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Mahesh Swaminathan, MD's MIPS final score?

The 2023 MIPS final score is 81.4 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.