Colonoscopy clinicians in Plymouth, Minnesota

CMS lists 44 clinicians with a primary specialty of Gastroenterology, Internal Medicine, Family Practice, or General Practice who have billed Medicare for at least one colonoscopy and practice in Plymouth, Minnesota (details below).

Colonoscopy volume

Clinician	Colonoscopies billed	Percentile rank
Neil Phelan, MD	117	70%
Jose Vega Peralta, MD	112	68%
Stephen Rudolph, MD	86	58%
Christopher Blevins, MD	78	54%
April Grudell, MD	77	54%
Thomas Maust, MD	72	51%
Stanley Go, MD	70	50%
Birtukan Cinnor, MD	69	49%
Robert Ganz, MD	63	46%
Adam Kim, MD	63	46%
John Liveringhouse, MD	63	46%
Bertha Toriz, MD	63	46%
Daniel Van Handel, MD	59	44%
Thomas Kaminsky, MD	58	44%
Jimmy Levine, MD	57	43%
Kirk Wilson, MD	57	43%
Khalil Farah, MD	51	39%
Patrick Oreilly, MD	49	38%
Elizabeth Fallon, MD	47	37%
Erica Roberson, MD	47	37%
Catherine Skagen, MD	46	36%
Benjamin Mitlyng, MD	44	35%
Ahmed Kandiel, MD	43	34%
Aaron Link, MD	41	33%
James Campbell, MD	40	33%
Zongyu Chen, MD	38	31%
Courtney Barancin, MD	37	31%
Nicholas Boetticher, MD	34	29%
Dahlia Awais, MD	32	27%
Peter Pico, MD	31	27%
Samuel Feldshon, MD	27	24%
Neville Basman, MD	26	23%
Scott Ketover, MD	26	23%
Federico Rossi, MD	25	23%
Douglas Nelson, MD	20	19%
Irfan Sandozi, MD	20	19%
Joshua Colton, MD	19	19%
Jeffrey Rank, MD	16	17%
Joel Sagedahl, MD	14	15%
Sandra Denman, MD	12	14%
Denise Hunninghake, MD	12	14%
Jonathan Tallman, MD	12	14%
Gregory Frane, MD	1-10	13% or below
Chris Stuart, MD	1-10	13% or below

Sorted by the number of colonoscopies billed to Medicare, highest first, not by quality or skill. CMS suppresses counts between 1 and 10 to protect patient privacy and publishes the range instead.

Understanding CMS Data

CMS's "Colonoscopy" category combines specific billing codes for colonoscopy to calculate the number of times each clinician billed Medicare for a "Colonoscopy." These include screening colonoscopy, diagnostic colonoscopy, and colonoscopy with biopsy or polyp removal. CMS's list also includes flexible sigmoidoscopy and laparoscopic appendectomy, so a clinician's count may include those procedures. CMS counts one procedure per patient per day, so a colonoscopy that included both a biopsy and a polyp removal counts once. CMS reports only procedures that clinicians billed to Original Medicare and Medicare Advantage. Therefore, CMS's procedure volume data does not include procedures that clinicians may have performed on patients who have other health care coverage (e.g., commercial insurance, self-pay, or the VA). Billing variation and coding errors can also affect CMS's data. Therefore, the number of procedures that CMS reports for a clinician may be higher or lower than the actual number of colonoscopies a clinician performed during the reporting period. Lastly, only clinicians with a primary specialty of Gastroenterology, Internal Medicine, Family Practice, or General Practice (as reported to Medicare) are presented.

Source: Centers for Medicare & Medicaid Services (August 18, 2026 release).