Doctor profile · Federal record

Dr. Mark Harrison, MD

Nephrology Physician · Boulder, CO

  • NPI 1508236910
  • 11 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
546 14Th St
Boulder, CO 803027806
(303) 938-8844

Credentials & registration

NPPES · NUCC
NPI registered
September 2015 — 11 yrs on file
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Colorado #0025415

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508236910. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$15
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Sumitomo Pharma America, Inc. 1 $15.08

By nature of payment

Food and Beverage
$15

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Harrison's medical specialty?
Dr. Mark Harrison practices Nephrology Physician in Boulder, CO.
Where does Dr. Mark Harrison practice?
Dr. Mark Harrison practices at 546 14Th St, Boulder, CO 803027806. Office phone: 3039388844.
What is Dr. Mark Harrison's NPI?
Dr. Mark Harrison's National Provider Identifier (NPI) is 1508236910, issued by NPPES.

Methodology · sources used on this page

All figures on this page come from publicly available federal datasets. We do not edit, score, or summarise the underlying data. Profile generated May 26, 2026.

NPPES Provider identifiers and practice info May 11, 2026
Open Payments Industry payments to providers (Sunshine Act) May 11, 2026
Medicare Procedure Utilization Services and allowed amounts by HCPCS May 11, 2026
Medicare Part D Prescription drug claims May 11, 2026
CMS MIPS Quality performance scores May 11, 2026
OIG LEIE Federal exclusion / sanctions list May 11, 2026

Information based on publicly available federal data. Not medical advice. Report incorrect data ›