Eric Roychowdhury, MD
Family Medicine Physician · Waterloo, IA
Eric Roychowdhury, MD is a family medicine physician with a practice address in Waterloo, Iowa, and NPI 1235513466, issued on Jul 17, 2015. Check the license (Iowa R-10440, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Eric Roychowdhury
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- R-10440 IA
2019028550 MO
Self-reported in NPPES; status is on the state search - Practice location
- 2055 Kimball Ave, Waterloo, IA 50702
- Phone
- (319) 272-2112
- Enumerated
- Jul 17, 2015
- Record last updated
- Jan 14, 2026
- Fax
- (319) 272-2107
- Medicare enrollment
- Enrolled (PECOS I20190806003412); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 in Iowa → Look up another NPI →
Also registered at 2055 Kimball Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Gyobanna Driver, MDFamily Medicine Physician1801056874
- Shanna Elliott, DOFamily Medicine Physician1629458302
- Debra Flammang-Roper, LMSWMental Health Counselor1154357812
Verify Eric Roychowdhury in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license R-10440Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average family medicine physician in 2024
431 Medicare Part D claims for 174 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 35 claims were for opioids.
Most prescribed
- Cefdinir29 claims
- Amoxicillin-Clavulanate Potass23 claims
- Amlodipine Besylate19 claims
- Losartan Potassium17 claims
- Pantoprazole Sodium17 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.
Bills Medicare through 2 group practices
- KC Hospitalists PALee's Summit, MO
- Prime Healthcare Kansas City - Physician Services LLCKansas City, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eric Roychowdhury among 2,336 family medicine physician records in Iowa
Eric Roychowdhury, MD is one of 2,336 family medicine physician records with a practice address in Iowa. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 73% of them.
- NPI issued2015 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2014 · median 2006 among the 1,367 with a school on file
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
93 family medicine physician records list a practice address in Waterloo
They are 93 of the 1,512 NPPES records with a practice address in Waterloo, and 2,336 family medicine physician records in Iowa.
All 2,336 in Iowa → Every provider in Waterloo → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mitchel Bernstrom, M.D.Waterloo, IA 507021265489967
- Mark Bickley, D.O.Waterloo, IA 507021912948126
- Patricia Connell, M.D.Waterloo, IA 507021073510715
- Ronald Flory, MDWaterloo, IA 507021366483547
- Robert Friedman, M.D.Waterloo, IA 507021013915750
- Nicholas Goetsch, D.O.Waterloo, IA 507021740287614
- Michelle Graham, M.D.Waterloo, IA 507021295722106
- Geoffrey Hadlock, MDWaterloo, IA 507021184668709
Common questions
What is Eric Roychowdhury, MD's NPI number?
Eric Roychowdhury, MD's National Provider Identifier (NPI) is 1235513466, issued on Jul 17, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Eric Roychowdhury, MD located?
The NPPES record lists a practice address at 2055 Kimball Ave, Waterloo, IA, 50702. Phone: (319) 272-2112. Providers update this record themselves, so call before visiting.
How can I verify Eric Roychowdhury, MD's license?
NPPES lists Iowa license number R-10440, 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 Eric Roychowdhury, MD prescribe under Medicare Part D?
In 2024, Eric Roychowdhury, MD had 431 Medicare Part D claims for 174 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.