Gastroenterologists in Boulder County
Public records list 15 places in Boulder County to see gastroenterologists, with 39 clinicians.
Data updated November 11, 2026 · What a gastroenterologist does
Where to find them
Sorted by town. Call the office to ask whether they're taking new patients and which 2027 plans they take.
- Boulder Medical Center, PC2750 Broadway St, Boulder · Telehealth(303) 440-3000Barry Migicovsky, M.D.; Emily Ward, M.D.; Robert Levine, M.D.
- Gastroenterology Of The Rockies1755 48Th St Ste 200, Boulder · Telehealth(303) 415-7450David Cristin, M.D.; David Gatof, M.D.; Kelly Zucker, D.O; Matthew Karowe, M.D.; and 2 more
- Boulder Community Health1000 W South Boulder Rd Ste 110, Lafayette · Telehealth(303) 604-5000Daus Mahnke, M.D.; David Gatof, M.D.; Gregory Toy, MD; Joseph Cassara, M.D.; and 4 more
- Colorado Permanente Medical Group PC280 Exempla Cir, Lafayette · Telehealth(303) 338-4545Andrew Samuelson, M.D.; Anjali Parekh, MD; Barbara Piasecki, MD; Britt Drake, M.D.; and 6 more
- Colorado Permanente Medical Group PC200 Emempla Circle, Lafayette · Telehealth(303) 338-4545Erica Boettcher, MD
- Catholic Health Initiatives Colorado2030 Mountain View Ave Ste 100, Longmont · Telehealth(720) 652-8730Crystal North, DO; Vivian Ussui, MD
- Catholic Health Initiatives Colorado1950 Mountain View Ave, Longmont · Telehealth(303) 651-5111Vivian Ussui, MD
- Poudre Valley Medical Group LLC1750 E Ken Pratt Blvd, Longmont · Telehealth(970) 237-7848Daniel Freese, D.O.; Nuzhat Iqbal, MD
- Poudre Valley Medical Group LLC1760 E Ken Pratt Blvd, Longmont · Telehealth(720) 718-5400Daniel Freese, D.O.; Nuzhat Iqbal, MD
- Uchealth Medical Group1925 Mountain View Ave, Longmont · Telehealth(303) 776-1234Daniel Freese, D.O.; Michael Nosler, MD; Nuzhat Iqbal, MD; Sasha Kapil, MD; and 1 more
- University Physicians Incorporated1551 Professional Ln, Longmont · Telehealth(720) 494-3290Simranjit Bedi, D.O.
- Boulder Medical Center, PC80 Health Park Dr, Louisville · Telehealth(303) 673-0448Ariana Greenwood, MD; Colin Leffert, DO; Scott Hallgren, D.O., F.A.C.P.
- Portercare Adventist Health System100 Health Park Dr, Louisville · Telehealth(303) 643-1159Ariana Greenwood, MD; Colin Leffert, DO; Scott Hallgren, D.O., F.A.C.P.
- Practice at 382 S Arthur Ave382 S Arthur Ave, LouisvilleElizabeth Nguyen, DO
- Korina BersentesSuperior (call for the address)(303) 912-8948Korina Bersentes, M.D.
Is it covered on your plan?
Referral: On some plans. 29 of the 86 2027 plans sold in Boulder County need a referral from your primary care provider to see a specialist: Kaiser Permanente's 29 plans (you may self-refer to certain specialists). The other 57 don't, according to each plan's 2027 summary of benefits. Confirm in the plan's summary of benefits.
Check a clinician in the network's own directory before you enroll. These are the 2027 networks sold in Boulder County:
- Anthem Pathway directory
- Anthem Pathway Essentials directory
- Colorado Access Choice directory
- Kaiser Permanente KP CO directory
- Kaiser Permanente KP Colorado Option directory
- Kaiser Permanente KP Select directory
- Rocky Mountain Health Plans Colorado Doctors Plan directory
- Select Health Value directory
If your plan's directory or customer service told you a clinician was in network and they weren't, federal law (the No Surprises Act) limits what you pay to the in-network amount. Save a screenshot or a note of what you were told. Boulder County plans and hospitals.
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