Umaprasanna Karnam, MD
NPI 1689623852 · Gastroenterology Physician · Riverton, UT
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Umaprasanna Karnam, MD is a Gastroenterology Physician provider in Riverton, UT (NPI 1689623852).
Provider details
- NPI number
- 1689623852
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 50222851205 (UT)
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
814 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) |
|---|---|---|
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 171 | $163 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 155 | $73 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 109 | $88 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 90 | $123 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 87 | $239 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 288 | 89 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 194 | 193 |
| Omeprazole | 133 | 57 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 95 | 94 |
| Sucralfate | 92 | 43 |
| Dicyclomine Hcl | 89 | 30 |
| Sod Picosulf/Mag Ox/Citric Acbrand: Clenpiq |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$60,458 across 141 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
Registry dates
- Enumerated
- 2006-05-08
- Last updated
- 2015-12-11
Frequently asked questions
- What is Umaprasanna Karnam's NPI number?
- Umaprasanna Karnam's National Provider Identifier (NPI) is 1689623852, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Umaprasanna Karnam's specialty?
- Umaprasanna Karnam is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Umaprasanna Karnam located?
- Umaprasanna Karnam's practice location on file with NPPES is 1543 W. 12600 S., Riverton, UT 84065-7000.
- What is Umaprasanna Karnam's phone number?
- The practice phone number listed in the NPPES registry for Umaprasanna Karnam is (801) 563-5121.
- Does Umaprasanna Karnam accept Medicare?
- Umaprasanna Karnam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Umaprasanna Karnam's NPI active?
- Yes — Umaprasanna Karnam's NPI (1689623852) is active in the NPPES registry as of the last update on 2015-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.