Dileepa Ramanayake Pathirannehelage, MD
NPI 1275028276 · Gastroenterology Physician · Waterloo, IA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dileepa Ramanayake Pathirannehelage, MD is a Gastroenterology Physician provider in Waterloo, IA (NPI 1275028276).
Provider details
- NPI number
- 1275028276
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD-52100 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
206 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 65 | $154 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 39 | $220 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 29 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 25 | $119 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 24 | $105 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 5 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 78 | 77 |
| Omeprazole | 36 | 19 |
| Pantoprazole Sodium | 24 | 15 |
| Cholestyramine (with Sugar)brand: Cholestyramine | 12 | — |
| Linaclotidebrand: Linzess | 12 | — |
Medicare Part D only. These counts cover prescriptions paid through Medicare Part D in 2024 — they do notinclude cash-pay, commercial-insurance, Medicaid, or Part B–administered drugs, and badly undercount high cash-pay categories (e.g. GLP-1 weight-loss, testosterone, and ED medications). Any drug with 10 or fewer claims is omitted by CMS, and beneficiary counts under 11 are suppressed — so a missing drug means , never zero. This is a factual claims summary, not an endorsement, not medical advice, and not a consumer report. Source: CMS Medicare Part D Prescribers — by Provider and Drug.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-06-22
- Last updated
- 2024-08-07
- Certified
- 2024-08-07
Frequently asked questions
- What is Dileepa Ramanayake Pathirannehelage's NPI number?
- Dileepa Ramanayake Pathirannehelage's National Provider Identifier (NPI) is 1275028276, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dileepa Ramanayake Pathirannehelage's specialty?
- Dileepa Ramanayake Pathirannehelage is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Dileepa Ramanayake Pathirannehelage located?
- Dileepa Ramanayake Pathirannehelage's practice location on file with NPPES is 1015 S Hackett Rd, Waterloo, IA 50701-3543.
- What is Dileepa Ramanayake Pathirannehelage's phone number?
- The practice phone number listed in the NPPES registry for Dileepa Ramanayake Pathirannehelage is (319) 234-5990.
- Does Dileepa Ramanayake Pathirannehelage accept Medicare?
- Dileepa Ramanayake Pathirannehelage is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dileepa Ramanayake Pathirannehelage's NPI active?
- Yes — Dileepa Ramanayake Pathirannehelage's NPI (1275028276) is active in the NPPES registry as of the last update on 2024-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.