National Provider Identifier
Oscar S. Lopez, MD
Oscar S. Lopez, MD is listed in the NPPES registry with a primary specialty of Psychiatry Physician in Williamsville, NY and a listed phone number of (716) 632-5450.
Source: public NPPES record, last updated August 09, 2013. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1558315879
- Provider Type
- Individual
- Primary Specialty
- Psychiatry Physician
- Enumeration Date
- May 20, 2006
- Last Updated
- August 09, 2013
Practice Location
- 531 Farber Lakes Dr
- Williamsville, NY 14221-5773
Phone: (716) 632-5450
Specialties
- Psychiatry Physician (2084P0800X)
- Psychiatry Physician (2084P0800X)
Browse Similar Providers
See more Psychiatry providers in Buffalo, NY.
Medicare Part B Activity
Reported 77 Medicare fee-for-service service lines in 2023.
Peer comparison
Compared to Psychiatry & Neurology providers in the Buffalo, NY metro area.
This provider is in the 20th percentile for Medicare service volume.
Lower volume than many peers.
Performs 65% fewer Medicare services than the peer median.
Higher than 26 of 132 peers.
- Activity Percentile
- 19.7%
- Rank by Services
- 106 of 132
- Total Services
- 77
- Est. Allowed Value
- $6,275.25
- 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 Psychiatry & Neurology 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 Psychiatry & Neurology 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 131,635 total Medicare services.
Top Clinical Services
- 99231: Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes
56 services | $2,712.08
- 90792: Psychiatric diagnostic evaluation with medical services
21 services | $3,563.17
Biography
Dr. Oscar Lopez is a board-certified psychiatrist in Western New York who earned his medical degree from the University of the Philippines College of Medicine and completed psychiatry residency training at the University at Buffalo after a transitional internship at the University of Connecticut School of Medicine. Public profiles also note more than 60 years of clinical experience and an affiliation with Mercy Hospital of Buffalo, reflecting a long-standing presence in the region’s psychiatric care community.
Full Record
- NPI
- 1558315879
- Entity Type
- Individual
- Last Name
- Lopez
- First Name
- Oscar
- Middle Name
- S.
- Credential
- MD
- Provider Other Last Name
- Lopez
- Provider Other First Name
- Oscar
- Provider Other Middle Name
- S
- Provider Other Credential Text
- MD
- Provider Other Last Name Type Code
- 2
- Mailing Street Address
- 531 Farber Lakes Dr
- Mailing City
- Williamsville
- Mailing State
- NY
- Mailing ZIP Code
- 14221-5773
- Mailing Country
- US
- Mailing Phone
- (716) 632-5450
- Practice Street Address
- 531 Farber Lakes Dr
- Practice City
- Williamsville
- Practice State
- NY
- Practice ZIP Code
- 14221-5773
- Practice Country
- US
- Practice Phone
- (716) 632-5450
- Enumeration Date
- May 20, 2006
- Last Updated
- August 09, 2013
- Sex
- Male
- Sole Proprietor
- Yes
- updated_by_file
- npidata_pfile_20050523-20260308.csv
- Taxonomies
- Psychiatry Physician (2084P0800X), Psychiatry Physician (2084P0800X)
- Other Identifiers
- 00594876 (NY)