Vellaiappan Somasundaram, MD
Internal Medicine Physician · Frisco, TX
Vellaiappan Somasundaram, MD is an internal medicine physician with a practice address in Frisco, Texas, and NPI 1891745386, issued on May 12, 2006. Check the license (Texas T9601, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Vellaiappan Somasundaram
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- T9601 TX
35436 KY
Self-reported in NPPES; status is on the state search - Practice location
- 8195 Custer RD Ste 110, Frisco, TX 75035
- Phone
- (214) 666-6259
- Enumerated
- May 12, 2006
- Record last updated
- May 18, 2026
- Medicaid IDs
- T9601 TX
64013253 KY - Medicare enrollment
- Enrolled (PECOS I20031208000969); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 8195 Custer RD Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Prashanthi Atluri, MDCardiovascular Disease Physician1396934964
- Praveena Sunkara, M.D.Internal Medicine Physician1043672041
Verify Vellaiappan Somasundaram in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T9601Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8.5 times the Medicare Part D claims of the average internal medicine physician in 2024
27,060 Medicare Part D claims for 643 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 618 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium918 claims
- Pantoprazole Sodium749 claims
- Amlodipine Besylate686 claims
- Levothyroxine Sodium685 claims
- Atorvastatin Calcium641 claims
- Lisinopril620 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): 97.4 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $109.72
6 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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 2 group practices
- Appalachian Regional Healthcare IncSouth Williamson, KY
- Php Ins TX PLLCFrisco, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Vellaiappan Somasundaram among 9,175 internal medicine physician records in Texas
Vellaiappan Somasundaram, MD is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1986 · median 2004 among the 6,088 with a school on file
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
78 internal medicine physician records list a practice address in Frisco
They are 78 of the 4,217 NPPES records with a practice address in Frisco, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Frisco → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sulaiman Abawi, D.O.Frisco, TX 750351780845255
- Francisco Gonzalez-Rosales, MDFrisco, TX 750351548268915
- Subhasri Kannan, MDFrisco, TX 750351306846969
- Jun Lee, MDFrisco, TX 750351891795522
- Julia Lunberry, M.D.Frisco, TX 750351154369072
- Subashini Narayanan, MDFrisco, TX 750351710986864
- Michael Olatunji, M.D.Frisco, TX 750351750303863
- Sandhya Seetharam, M.D.,Frisco, TX 750351366638181
Common questions
What is Vellaiappan Somasundaram, MD's NPI number?
Vellaiappan Somasundaram, MD's National Provider Identifier (NPI) is 1891745386, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Vellaiappan Somasundaram, MD located?
The NPPES record lists a practice address at 8195 Custer RD Ste 110, Frisco, TX, 75035. Phone: (214) 666-6259. Providers update this record themselves, so call before visiting.
How can I verify Vellaiappan Somasundaram, MD's license?
NPPES lists Texas license number T9601, 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 Vellaiappan Somasundaram, MD prescribe under Medicare Part D?
In 2024, Vellaiappan Somasundaram, MD had 27,060 Medicare Part D claims for 643 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Vellaiappan Somasundaram, MD's MIPS final score?
The 2023 MIPS final score is 97.4 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.