Swaminathan Padmanabhan Iyer, M.D.
Hematology (Internal Medicine) Physician · Houston, TX
Swaminathan Padmanabhan Iyer, M.D. is a hematology (internal medicine) physician with a practice address in Houston, Texas, and NPI 1063493229, issued on Nov 7, 2005. Check the license (Texas M9564, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Swaminathan Padmanabhan Iyer
- Credential
- M.D.
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License numbers
- M9564 TX
002037-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1515 Holcombe Blvd, Houston, TX 77030
- Phone
- (713) 792-6161
- Enumerated
- Nov 7, 2005
- Record last updated
- Mar 27, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid IDs
- 200008504 TX
200008503 TX
200008506 TX
200008509 TX - Medicare enrollment
- Enrolled (PECOS I20080602000183); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology (internal medicine) physician records → All 73 in Texas → Look up another NPI →
Also registered at 1515 Holcombe Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashley Aaroe, MDNeurology Physician1902295793
- Linda Abad, PA-CPhysician Assistant1063928240
- Cynthia Abarado, RN, GNPGerontology Nurse Practitioner1851471049
- Hussein Abbas, MD, PHDInternal Medicine Physician1609220532
- James Abbruzzese, M.D.Medical Oncology Physician1134233224
- Karim Abdeldaem, MDEmergency Medicine Physician1558056200
Verify Swaminathan Padmanabhan Iyer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license M9564Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% fewer Medicare Part D claims than the average hematology (internal medicine) physician in 2024
370 Medicare Part D claims for 86 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D.
Most prescribed
- Valacyclovir53 claims
- Sulfamethoxazole-Trimethoprim41 claims
- Lenalidomide20 claims
- Revlimid17 claims
- Ondansetron Hcl16 claims
- Prednisone16 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $267.99
3 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 721 providers of this specialty with any payment received $13,778.35 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Physicians Referral ServiceHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Swaminathan Padmanabhan Iyer among 73 hematology (internal medicine) physician records in Texas
Swaminathan Padmanabhan Iyer, M.D. is one of 73 hematology (internal medicine) physician records with a practice address in Texas. 88% 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, 93% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1996 · median 2002 among the 56 with a school on file
- Record last updated2019 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology (Internal Medicine) Physician providers in Texas
There are 73 hematology (internal medicine) physician records in Texas.
All 73 in Texas → Every provider in Houston → Hematology (Internal Medicine) Physician nationwide →
The 8 hematology (internal medicine) physician records with the nearest ZIP codes
- Kelty Baker, MDHouston, TX 770301710090857
- Robert Bast, MDHouston, TX 770301013901008
- George Carrum, MDHouston, TX 770301851471288
- Miguel Escobar, M.D.Houston, TX 770301437177912
- Siddhartha Ganguly, M.D.Houston, TX 770301689767261
- Alexandra Ikeguchi, M.D.Houston, TX 770301962402321
- Edward Lynch, M.D.Houston, TX 770301164516407
- Joe Moake, M.D.Houston, TX 770301386739811
Common questions
What is Swaminathan Padmanabhan Iyer, M.D.'s NPI number?
Swaminathan Padmanabhan Iyer, M.D.'s National Provider Identifier (NPI) is 1063493229, issued on Nov 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Swaminathan Padmanabhan Iyer, M.D. 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 Swaminathan Padmanabhan Iyer, M.D.'s license?
NPPES lists Texas license number M9564, 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 Swaminathan Padmanabhan Iyer, M.D. prescribe under Medicare Part D?
In 2024, Swaminathan Padmanabhan Iyer, M.D. had 370 Medicare Part D claims for 86 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. Part D covers Medicare prescriptions only.
What is Swaminathan Padmanabhan Iyer, M.D.'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.