Andrew Korson, M.D.
NPI 1023338654 · Gastroenterology Physician · Lakewood, CO
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Korson, M.D. is a Gastroenterology Physician provider in Lakewood, CO (NPI 1023338654).
Provider details
- NPI number
- 1023338654
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- FE 60356665 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 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
369 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 | 82 | $103 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 65 | $233 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 64 | $87 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 42 | $125 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 30 | $75 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 164 | 75 |
| Omeprazole | 19 | — |
| Mesalaminebrand: Mesalamine Er | 17 | — |
| Peg 3350/Sod Sulf,chlr/Pot/Magbrand: Suflave | 16 | 16 |
| Lipase/Protease/Amylasebrand: Zenpep | 15 | — |
| Famotidine | 13 | — |
| Linaclotidebrand: Linzess | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,296 across 77 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
- 2010-06-05
- Last updated
- 2016-06-27
Frequently asked questions
- What is Andrew Korson's NPI number?
- Andrew Korson's National Provider Identifier (NPI) is 1023338654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Korson's specialty?
- Andrew Korson is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Korson located?
- Andrew Korson's practice location on file with NPPES is 7000 W Colfax Ave, Lakewood, CO 80214-5433.
- What is Andrew Korson's phone number?
- The practice phone number listed in the NPPES registry for Andrew Korson is (303) 573-9951.
- Does Andrew Korson accept Medicare?
- Andrew Korson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Korson's NPI active?
- Yes — Andrew Korson's NPI (1023338654) is active in the NPPES registry as of the last update on 2016-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.