National Provider Identifier
Ernesto A Diaz-Ordaz, MD
Ernesto A Diaz-Ordaz, MD is listed in the NPPES registry with a primary specialty of Otolaryngology Physician in Williamsville, NY and a listed phone number of (716) 634-7350.
Source: public NPPES record, last updated April 27, 2026. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1114965738
- Provider Type
- Individual
- Primary Specialty
- Otolaryngology Physician
- Enumeration Date
- June 04, 2006
- Last Updated
- April 27, 2026
Practice Location
- 180 Park Club Ln
- Suite 200
- Williamsville, NY 14221-5263
Phone: (716) 634-7350
Mailing Address
- 199 Park Club Ln Ste 500
- Williamsville, NY 14221-5269
Specialties
- Otolaryngology Physician (207Y00000X)
- Otology & Neurotology Physician (207YX0901X)
Browse Similar Providers
See more providers in the Otolaryngology classification in Buffalo, NY.
Medicare Part B Activity
Reported 19 Medicare fee-for-service service lines in 2024.
Peer comparison
Compared to Otolaryngology providers in the Buffalo, NY metro area.
This provider is in the 0th percentile for Medicare service volume.
Lower volume than many peers.
Performs 95% fewer Medicare services than the peer median.
Higher than 0 of 27 peers.
- Activity Percentile
- 0.0%
- Rank by Services
- 27 of 27
- Total Services
- 19
- Est. Allowed Value
- $1,249.39
- 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 Otolaryngology 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 Otolaryngology across the Buffalo, NY metro area. Taller bars indicate higher service-volume bands. Highlighted bar marks this provider's percentile band.
Observed service range: 19 to 1,208 total Medicare services.
Top Clinical Services
- 99213: Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
19 services | $1,249.39
Full Record
- NPI
- 1114965738
- Entity Type
- Individual
- Last Name
- Diaz-Ordaz
- First Name
- Ernesto
- Middle Name
- A
- Credential
- MD
- Mailing Street Address
- 199 Park Club Ln Ste 500
- Mailing City
- Williamsville
- Mailing State
- NY
- Mailing ZIP Code
- 14221-5269
- Mailing Country
- US
- Mailing Phone
- (716) 845-1300
- Mailing Fax
- (716) 322-3372
- Practice Street Address
- 180 Park Club Ln
- Practice Address Line 2
- Suite 200
- Practice City
- Williamsville
- Practice State
- NY
- Practice ZIP Code
- 14221-5263
- Practice Country
- US
- Practice Phone
- (716) 634-7350
- Practice Fax
- (716) 634-7656
- Enumeration Date
- June 04, 2006
- Last Updated
- April 27, 2026
- Sex
- Male
- Sole Proprietor
- No
- Certification Date
- April 27, 2026
- Taxonomies
- Otolaryngology Physician (207Y00000X), Otology & Neurotology Physician (207YX0901X)
- Other Identifiers
- 01442699 (NY), 00020006003 (NY, Univera Provider Id), 1008002 (NY, Iha Provider Id), 000511816002 (NY, BCBS Provider Id)