Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Clark Harrison, MD

Individual provider Gastroenterology Physician · NPI 1679559496

Dr. Clark Harrison, MD is a Gastroenterology in Reno, Nevada. Graduated from Boston University School of Medicine in 1992, 34 years ago. Practices with Gastroenterology Consultants Ltd, a 37-clinician group and accepts Medicare assignment. Licensed in Nevada.

Years since qualifying
34
Trained at
Boston University School of Medicine
Licensed in
NV
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

880 Ryland St
Reno, NV 89502-1603
Phone: (775) 329-4600
Fax: (775) 333-2969
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 6505 (NV)

Record details

NPI number1679559496
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 22, 2005
Last updated in NPPESMay 7, 2010
Mailing address880 Ryland St, Reno, NV 89502-1603

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolBOSTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1992 (34 years in practice)
Group practice Gastroenterology Consultants Ltd — 37 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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