National Provider Identifier
Guy A Weiss, M.D.
Guy A Weiss, M.D. is listed in the NPPES registry with a primary specialty of Gastroenterology Physician in Buffalo, NY and a listed phone number of (716) 898-4226.
Source: public NPPES record, last updated August 03, 2020. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1598084030
- Provider Type
- Individual
- Primary Specialty
- Gastroenterology Physician
- Enumeration Date
- May 24, 2010
- Last Updated
- August 03, 2020
Practice Location
- 462 Grider St
- Internal Medicine Residency Training Program
- Buffalo, NY 14215-3021
Phone: (716) 898-4226
Mailing Address
- 462 Grider St
- Ecmc
- Buffalo, NY 14215-3021
Specialties
- Gastroenterology Physician (207RG0100X)
- Student in an Organized Health Care Education/Training Program (390200000X)
Browse Similar Providers
See more Gastroenterology providers in Buffalo, NY.
Medicare Part B Activity
Reported 552 Medicare fee-for-service service lines in 2023.
Peer comparison
Compared to Internal Medicine providers in the Buffalo, NY metro area.
This provider is in the 66th percentile for Medicare service volume.
Around the middle of the peer group.
Performs 52% more Medicare services than the peer median.
Higher than 442 of 665 peers.
- Activity Percentile
- 66.5%
- Rank by Services
- 222 of 665
- Total Services
- 552
- Est. Allowed Value
- $80,253.36
- Dataset Year
- 2023
- 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 Buffalo, NY metro area. Taller bars indicate higher service-volume bands. Highlighted bar marks this provider's percentile band.
Observed service range: 11 to 91,321 total Medicare services.
Top Clinical Services
- 99204: New patient office or other outpatient visit, 45-59 minutes
100 services | $18,283.34
- 99214: Established patient office or other outpatient visit, 30-39 minutes
91 services | $12,820.29
- 43239: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope
80 services | $7,400.75
- 45380: Biopsy of large bowel using a flexible endoscope
78 services | $11,877.51
- 99232: Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
51 services | $4,322.25
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.
Diagnostic colonoscopy | Buffalo, NY
Provider price$166.09
Lower than most included providers on the linked MedCostCompare page, at the 29th price percentile.
High experience
Biography
Guy A. Weiss, MD, is a gastroenterologist with UCLA Health and serves as program leader of the UCLA Celiac Disease Program. His clinical and research work focuses on celiac disease, non-celiac gluten sensitivity, eosinophilic gastrointestinal disorders, and outcomes research; he also developed the UCLA Celiac Collective. Dr. Weiss trained in internal medicine at SUNY Buffalo, where he served as chief resident, and completed a gastroenterology fellowship at UCLA.
Full Record
- NPI
- 1598084030
- Entity Type
- Individual
- Last Name
- Weiss
- First Name
- Guy
- Middle Name
- A
- Name Prefix
- Dr.
- Credential
- M.D.
- Mailing Street Address
- 462 Grider St
- Mailing Address Line 2
- Ecmc
- Mailing City
- Buffalo
- Mailing State
- NY
- Mailing ZIP Code
- 14215-3021
- Mailing Country
- US
- Practice Street Address
- 462 Grider St
- Practice Address Line 2
- Internal Medicine Residency Training Program
- Practice City
- Buffalo
- Practice State
- NY
- Practice ZIP Code
- 14215-3021
- Practice Country
- US
- Practice Phone
- (716) 898-4226
- Enumeration Date
- May 24, 2010
- Last Updated
- August 03, 2020
- Sex
- Male
- Sole Proprietor
- No
- Certification Date
- August 03, 2020
- updated_by_file
- npidata_pfile_20050523-20260308.csv
- Taxonomies
- Gastroenterology Physician (207RG0100X), Student in an Organized Health Care Education/Training Program (390200000X)