Viyan Udawatta, M.D.
NPI 1861735458 · Gastroenterology Physician · Clayton, NC
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Viyan Udawatta, M.D. is a Gastroenterology Physician provider in Clayton, NC (NPI 1861735458).
Provider details
- NPI number
- 1861735458
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
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
13 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
313 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 74 | $155 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 60 | $120 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 44 | $72 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 29 | $15 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 26 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 261 | 127 |
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 109 | 101 |
| Pantoprazole Sodium | 100 | 39 |
| Linaclotidebrand: Linzess | 48 | 13 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 47 | 44 |
| Rabeprazole Sodium | 38 | 11 |
| Colestipol Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,314 across 50 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)
- 200 Lothrop StUpmc Montefiore, Suite N-715Pittsburgh, PA 15213-2536Phone: (412) 692-4700
Registry dates
- Enumerated
- 2013-04-02
- Last updated
- 2020-07-14
- Certified
- 2020-07-14
Frequently asked questions
- What is Viyan Udawatta's NPI number?
- Viyan Udawatta's National Provider Identifier (NPI) is 1861735458, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Viyan Udawatta's specialty?
- Viyan Udawatta is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Viyan Udawatta located?
- Viyan Udawatta's practice location on file with NPPES is 166 Springbrook Ave Ste 105, Clayton, NC 27520-8520.
- What is Viyan Udawatta's phone number?
- The practice phone number listed in the NPPES registry for Viyan Udawatta is (919) 791-2040.
- Does Viyan Udawatta accept Medicare?
- Viyan Udawatta is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Viyan Udawatta's NPI active?
- Yes — Viyan Udawatta's NPI (1861735458) is active in the NPPES registry as of the last update on 2020-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.