Ryan Perumpail, M.D.
NPI 1649546623 · Gastroenterology Physician · Bettendorf, IA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Perumpail, M.D. is a Gastroenterology Physician provider in Bettendorf, IA (NPI 1649546623).
Provider details
- NPI number
- 1649546623
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A128296 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,435 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 239 | $210 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 227 | $43 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 204 | $47 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 189 | $152 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 185 | $118 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 364 | 356 |
| Omeprazole | 253 | 102 |
| Pantoprazole Sodium | 218 | 97 |
| Famotidine | 113 | 39 |
| Peg 3350/Sod Sulf,chlr/Pot/Magbrand: Suflave | 69 | 67 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 43 | 41 |
| Rifaximinbrand: Xifaxan |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,767 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 300 Pasteur DrStanford, CA 94305-2200Phone: (650) 723-4000
Registry dates
- Enumerated
- 2012-03-24
- Last updated
- 2021-08-13
- Certified
- 2021-08-13
Frequently asked questions
- What is Ryan Perumpail's NPI number?
- Ryan Perumpail's National Provider Identifier (NPI) is 1649546623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Perumpail's specialty?
- Ryan Perumpail is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Perumpail located?
- Ryan Perumpail's practice location on file with NPPES is 2222 53rd Ave, Bettendorf, IA 52722-7546.
- What is Ryan Perumpail's phone number?
- The practice phone number listed in the NPPES registry for Ryan Perumpail is (563) 383-2686.
- Does Ryan Perumpail accept Medicare?
- Ryan Perumpail is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Perumpail's NPI active?
- Yes — Ryan Perumpail's NPI (1649546623) is active in the NPPES registry as of the last update on 2021-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.