Duminda Suraweera, M.D.
NPI 1629411756 · Gastroenterology Physician · Lancaster, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Duminda Suraweera, M.D. is a Gastroenterology Physician provider in Lancaster, CA (NPI 1629411756).
Provider details
- NPI number
- 1629411756
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A133348 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 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
1,306 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 257 | $81 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 234 | $122 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 211 | $87 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 123 | $134 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 91 | $93 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 496 | 209 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 330 | 319 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 145 | 141 |
| Famotidine | 122 | 50 |
| Linaclotidebrand: Linzess | 96 | 31 |
| Pantoprazole Sodium | 88 | 33 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$639 across 34 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)
- 14445 Olive View DrSylmar, CA 91342-1437Phone: (818) 364-1555
Registry dates
- Enumerated
- 2013-04-08
- Last updated
- 2024-04-17
- Certified
- 2024-04-17
Frequently asked questions
- What is Duminda Suraweera's NPI number?
- Duminda Suraweera's National Provider Identifier (NPI) is 1629411756, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Duminda Suraweera's specialty?
- Duminda Suraweera is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Duminda Suraweera located?
- Duminda Suraweera's practice location on file with NPPES is 43944 15th St W Ste 201, Lancaster, CA 93534-5207.
- What is Duminda Suraweera's phone number?
- The practice phone number listed in the NPPES registry for Duminda Suraweera is (661) 529-7550.
- Does Duminda Suraweera accept Medicare?
- Duminda Suraweera is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Duminda Suraweera's NPI active?
- Yes — Duminda Suraweera's NPI (1629411756) is active in the NPPES registry as of the last update on 2024-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.