DR. ANDREW STEFFES KORSON M.D.
NPI 1023338654
Internal Medicine - Gastroenterology in Lakewood, CO
About Dr. Andrew Steffes Korson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANDREW STEFFES KORSON M.D. (NPI 1023338654) is an individual gastroenterology provider in Lakewood, Colorado, licensed in Washington (FE 60356665) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS and is a graduate of New York Medical College (2010).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Andrew Steffes Korson M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Andrew Korson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Lakewood, CO 80227
- Reassigned Medicare billing, Colorado enrollment
- 31 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 11
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 80214 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAKEWOOD, CO 80214
LAKEWOOD, CO 80214
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Andrew Korson's NPI number?
The NPI number for Andrew Korson is 1023338654. It was assigned to this individual provider in the NPPES registry on June 5, 2010.
Where is Andrew Korson located?
Andrew Korson practices at 7000 W Colfax Ave, Lakewood, CO 80214. The listed phone number is (303) 573-9951.
What is Andrew Korson's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Andrew Korson enrolled in Medicare?
Yes. Andrew Korson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Andrew Korson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Korson reassigns Medicare benefits to Rocky Mountain Gastroenterology Associates, PLLC (Lakewood, CO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Andrew Korson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Andrew Korson was last updated on June 27, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Andrew Steffes Korson, M.D. · NPI 1023338654
Gastroenterology physician in Lakewood, Colorado. Individual provider, active in the CMS NPPES registry since June 5, 2010.
## Identity
- **NPI:** 1023338654 (Entity type: Individual)
- **Enumerated:** June 5, 2010
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** FE 60356665 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 7000 W COLFAX AVE, Lakewood, CO 80214-5433
- **Phone:** (303) 573-9951
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Rocky Mountain Gastroenterology Associates, PLLC (NPI 1669414272, Lakewood, CO), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Medical College, class of 2010
## Record status
- **NPPES last updated:** June 27, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1023338654) · Data from the CMS NPPES public registry.