NPPES file of Aug 9, 2026

Ramalingam Ratnasabapathy, MD

Hematology & Oncology Physician · Henderson, NV

Ramalingam Ratnasabapathy, MD is a hematology & oncology physician with a practice address in Henderson, Nevada, and NPI 1144220781, issued on Jul 26, 2005. Check the license (Nevada 8620, as entered in NPPES) on the Nevada State Board of Medical Examiners; 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
1144220781
Name
Ramalingam Ratnasabapathy
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
8620 NV
Self-reported in NPPES; status is on the state search
Practice location
2460 W Horizon Ridge Pkwy, Henderson, NV 89052
Phone
(702) 822-2000
Enumerated
Jul 26, 2005
Record last updated
Mar 21, 2024
Fax
(702) 938-2232
Medicaid IDs
100503907 NV
115214 AZ
Medicare enrollment
Enrolled (PECOS I20040809001403); 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 2460 W Horizon Ridge Pkwy

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

  1. Mary Ann Allison, MDHematology & Oncology Physician1952317794
  2. Muhammad Ghani, MDHematology & Oncology Physician1427055045
  3. Stacey Lythgoe, APRNNurse Practitioner1609502921
  4. Hyo-Jong Park, M.D.Hematology & Oncology Physician1295732808
  5. Tiffany Show, APRNNurse Practitioner1063258721
  6. Resty Tibayan, MDHematology & Oncology Physician1508029208

Verify Ramalingam Ratnasabapathy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNevada State Board of Medical Examiners
    Search for license 8620
    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 Nevada 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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46% more Medicare Part D claims than the average hematology & oncology physician in 2024

1,284 Medicare Part D claims for 178 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 126 claims were for opioids.

  1. Ramalingam Ratnasabapathy1,284
  2. Specialty average877

Most prescribed

  1. Eliquis67 claims
  2. Letrozole55 claims
  3. Levofloxacin52 claims
  4. Hydrocodone-Acetaminophen51 claims
  5. Gabapentin45 claims
  6. Ondansetron Hcl44 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 MIPS final score for 2023 (Medicare payment program): 93.4 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score83.4
  2. Costnot scored (reweighted)
  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; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $7,859.67

234 payments; by number, the most common kind was food and beverage; the largest payer was Genentech USA, Inc. 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. Ramalingam Ratnasabapathy$7,859.67
  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. Allison Curtis Kingsley Meoz Michael And Sanchez PCHenderson, NV

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

Ramalingam Ratnasabapathy among 88 hematology & oncology physician records in Nevada

Ramalingam Ratnasabapathy, MD is one of 88 hematology & oncology physician records with a practice address in Nevada. 84% 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, 86% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated1987 · median 1995 among the 64 with a school on file
  • Record last updated2024 · 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 207RH0003X and a Nevada 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 Nevada

There are 88 hematology & oncology physician records in Nevada.

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

  1. Mary Ann Allison, MDHenderson, NV 890521952317794
  2. Khoi Dao, MDHenderson, NV 890521518071208
  3. Muhammad Ghani, MDHenderson, NV 890521427055045
  4. Russell Gollard, M.D.Henderson, NV 890521699772210
  5. Gilbert Nyamuswa, M.D.Henderson, NV 890521235136854
  6. Rupesh Parikh, MDHenderson, NV 890521245249689
  7. Nutan Parikh, M.D. LTD APCHenderson, NV 890521407933781
  8. Hyo-Jong Park, M.D.Henderson, NV 890521295732808

Common questions

What is Ramalingam Ratnasabapathy, MD's NPI number?

Ramalingam Ratnasabapathy, MD's National Provider Identifier (NPI) is 1144220781, issued on Jul 26, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Ramalingam Ratnasabapathy, MD located?

The NPPES record lists a practice address at 2460 W Horizon Ridge Pkwy, Henderson, NV, 89052. Phone: (702) 822-2000. Providers update this record themselves, so call before visiting.

How can I verify Ramalingam Ratnasabapathy, MD's license?

NPPES lists Nevada license number 8620, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ramalingam Ratnasabapathy, MD prescribe under Medicare Part D?

In 2024, Ramalingam Ratnasabapathy, MD had 1,284 Medicare Part D claims for 178 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Ramalingam Ratnasabapathy, MD's MIPS final score?

The 2023 MIPS final score is 93.4 of 100. 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.