Sumathi Chellappa, MD
Family Medicine Physician · Ames, IA
Sumathi Chellappa, MD is a family medicine physician with a practice address in Ames, Iowa, and NPI 1649479551, issued on Jul 12, 2007. Check the license (Iowa 38122, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Sumathi Chellappa
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 38122 IA
Self-reported in NPPES; status is on the state search - Practice location
- 3815 Stange RD, Ames, IA 50010
- Phone
- (515) 956-4050
- Enumerated
- Jul 12, 2007
- Record last updated
- Nov 11, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090619000590); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 3815 Stange RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Einar Arason, D.O.Family Medicine Physician1831321579
- Macie GayPhysical Therapist1457218919
- Molly Gentle, M.D.Family Medicine Physician1376854117
- Bryan Goos, PTPhysical Therapist1659660611
- Alexandra Greco, DPTPhysical Therapist1275088643
- Nicole HeerenOccupational Therapist1760375349
Verify Sumathi Chellappa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 38122Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% more Medicare Part D claims than the average family medicine physician in 2024
3,714 Medicare Part D claims for 245 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 50 claims were for opioids.
Most prescribed
- Atorvastatin Calcium236 claims
- Levothyroxine Sodium192 claims
- Losartan Potassium158 claims
- Amlodipine Besylate153 claims
- Lisinopril152 claims
- Omeprazole144 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.
Bills Medicare through one group practice
- Mcfarland Clinic PCAmes, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
39 family medicine physician records list a practice address in Ames
They are 39 of the 1,249 NPPES records with a practice address in Ames, and 2,336 family medicine physician records in Iowa.
All 39 in Ames → All 2,336 in Iowa → Every provider in Ames →
Other family medicine physician records in Iowa
- Jennifer Aanestad, M.D.Durant, IA1386649341
- Amjad Abdelhady, MDSioux City, IA1033966700
- Afsana Abdullah, D.O.Bettendorf, IA1760583066
- Raja Ali Abdullah, MDCedar Falls, IA1356101000
- Laura Abels, DOAnkeny, IA1427313527
- Matthew AbendrothDes Moines, IA1972918894
- Mabra Abernathy, M.D.Coralville, IA1316922545
- Jennifer Abler, D.O.Altoona, IA1528159068
- Michael Abouassaly, M.D.West Burlington, IA1184790909
- Safa Abukhalil, M.B.B.SWest Des Moines, IA1982084463
Common questions
What is Sumathi Chellappa, MD's NPI number?
Sumathi Chellappa, MD's National Provider Identifier (NPI) is 1649479551, issued on Jul 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sumathi Chellappa, MD located?
The NPPES record lists a practice address at 3815 Stange RD, Ames, IA, 50010. Phone: (515) 956-4050. Providers update this record themselves, so call before visiting.
How can I verify Sumathi Chellappa, MD's license?
NPPES lists Iowa license number 38122, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sumathi Chellappa, MD prescribe under Medicare Part D?
In 2024, Sumathi Chellappa, MD had 3,714 Medicare Part D claims for 245 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.