Eric Roychowdhury, MD
NPI 1235513466 · Family Medicine Physician · Waterloo, IA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Roychowdhury, MD is a Family Medicine Physician provider in Waterloo, IA (NPI 1235513466).
Provider details
- NPI number
- 1235513466
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2019028550 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
955 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 497 | $113 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 205 | $75 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 155 | $109 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 67 | $166 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 16 | $125 |
| Critical Care, First 30-74 Minutes99291 | 15 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefdinir | 29 | 29 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 23 | 23 |
| Amlodipine Besylate | 19 | 15 |
| Losartan Potassium | 17 | 14 |
| Pantoprazole Sodium | 17 | 13 |
| Prednisone | 16 | 15 |
| Doxycycline Hyclate | 14 |
Practice location
Mailing address
Additional practice locations (2)
- 201 Nw R D Mize RdBlue Springs, MO 64014-2513Phone: (816) 228-5900
- 1000 Carondelet DrKansas City, MO 64114-4673Phone: (816) 942-4400
Registry dates
- Enumerated
- 2015-07-17
- Last updated
- 2026-01-14
- Certified
- 2026-01-14
Frequently asked questions
- What is Eric Roychowdhury's NPI number?
- Eric Roychowdhury's National Provider Identifier (NPI) is 1235513466, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Roychowdhury's specialty?
- Eric Roychowdhury is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Roychowdhury located?
- Eric Roychowdhury's practice location on file with NPPES is 2055 Kimball Ave, Waterloo, IA 50702-5047.
- What is Eric Roychowdhury's phone number?
- The practice phone number listed in the NPPES registry for Eric Roychowdhury is (319) 272-2112.
- Does Eric Roychowdhury accept Medicare?
- Eric Roychowdhury is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Roychowdhury's NPI active?
- Yes — Eric Roychowdhury's NPI (1235513466) is active in the NPPES registry as of the last update on 2026-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.