National Provider Identifier
Adam Robert Riordan
Adam Robert Riordan is listed in the NPPES registry with a primary specialty of Gastroenterology Physician in Ithaca, NY and a listed phone number of (607) 272-5011.
Source: public NPPES record, last updated July 11, 2018. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1508126988
- Provider Type
- Individual
- Primary Specialty
- Gastroenterology Physician
- Enumeration Date
- May 20, 2012
- Last Updated
- July 11, 2018
Practice Location
- 2435 N Triphammer RD
- Ithaca, NY 14850
Phone: (607) 272-5011
Mailing Address
- 2435 N Triphammer RD
- Ithaca, NY 14850-1047
Specialties
- Gastroenterology Physician (207RG0100X)
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Medicare Part B Activity
Reported 668 Medicare fee-for-service service lines in 2024.
Peer comparison
Compared to Internal Medicine providers in the Ithaca, NY metro area.
This provider is in the 61st percentile for Medicare service volume.
Around the middle of the peer group.
Performs 21% more Medicare services than the peer median.
Higher than 38 of 62 peers.
- Activity Percentile
- 61.3%
- Rank by Services
- 24 of 62
- Total Services
- 668
- Est. Allowed Value
- $66,982.10
- Dataset Year
- 2024
- Drug Code Share
- 0.0%
Estimated allowed value reflects Medicare fee-for-service allowed amounts only. It does not include Medicare Advantage, commercial insurance, cash-pay services, or employment compensation.
Peers are grouped by the broader Internal Medicine classification rather than the exact subspecialty label shown elsewhere on the page.
Percentile distribution
Each bar represents a 10-point percentile band of peers by total Medicare services for Internal Medicine across the Ithaca, NY metro area. Taller bars indicate higher service-volume bands. Highlighted bar marks this provider's percentile band.
Observed service range: 31 to 4,216 total Medicare services.
Top Clinical Services
- G0500: Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito
204 services | $1,087.58
- 45385: Removal of polyps or growths of large bowel using an endoscope with mechanical snare
127 services | $30,448.88
- 45380: Biopsy of large bowel using a flexible endoscope
111 services | $9,239.33
- 43239: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope
81 services | $8,147.44
- 99213: Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
41 services | $3,509.95
Procedure Cost Comparisons
This provider appears in MedCostCompare procedure price pages built from Medicare fee-for-service data. Follow the links to compare local provider prices for the listed procedures.
Prices are Medicare-approved amounts from public provider-service records, not private insurance rates, cash-pay quotes, or a promise of what any patient will pay.
Colonoscopy with biopsy | Southern Tier, NY
Provider price$83.24
Around the middle of included providers on the linked MedCostCompare page, at the 17th price percentile.
Biography
Adam Riordan, DO, is an Ithaca gastroenterologist with Guthrie and Gastroenterology Associates of Ithaca. His background includes medical training at Lake Erie College of Osteopathic Medicine, internal medicine residency through the University at Buffalo/Catholic Health System, and gastroenterology fellowship at LECOM Health-Millcreek Community Hospital; his practice profile notes interests in small bowel disease and general gastroenterology.
Full Record
- NPI
- 1508126988
- Entity Type
- Individual
- Last Name
- Riordan
- First Name
- Adam
- Middle Name
- Robert
- Mailing Street Address
- 2435 N Triphammer RD
- Mailing City
- Ithaca
- Mailing State
- NY
- Mailing ZIP Code
- 14850-1047
- Mailing Country
- US
- Mailing Phone
- (607) 272-5011
- Practice Street Address
- 2435 N Triphammer RD
- Practice City
- Ithaca
- Practice State
- NY
- Practice ZIP Code
- 14850
- Practice Country
- US
- Practice Phone
- (607) 272-5011
- Enumeration Date
- May 20, 2012
- Last Updated
- July 11, 2018
- Sex
- Male
- Sole Proprietor
- No
- Taxonomies
- Gastroenterology Physician (207RG0100X)