National Provider Identifier

Merrie Wiyana Oei, M.D.

Merrie Wiyana Oei, M.D. is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician in Williamsville, NY and a listed phone number of (716) 836-4646.

NPI 1801247713Williamsville, NYDiagnostic Radiology Physician

Source: public NPPES record, last updated August 21, 2023. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.

Profile Overview

NPI
1801247713
Provider Type
Individual
Primary Specialty
Diagnostic Radiology Physician
Enumeration Date
June 22, 2016
Last Updated
August 21, 2023

Practice Location

  • 111 N Maplemere RD Ste 120
  • Williamsville, NY 14221-3178

Phone: (716) 836-4646

Specialties

  • Diagnostic Radiology Physician (2085R0202X)

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Medicare Part B Activity

Reported 1,803 Medicare fee-for-service service lines in 2024.

Peer comparison

Compared to Radiology providers in the Buffalo, NY metro area.

This provider is in the 43rd percentile for Medicare service volume.

Around the middle of the peer group.

Performs 17% fewer Medicare services than the peer median.

Higher than 65 of 152 peers.

Activity Percentile
42.8%
Rank by Services
87 of 152
Total Services
1,803
Est. Allowed Value
$57,997.57
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 Radiology classification rather than the exact subspecialty label shown elsewhere on the page.

Percentile distribution

Lowest-volume peersThis providerHighest-volume peers
0%10%20%30%40%50%60%70%80%90%+

Each bar represents a 10-point percentile band of peers by total Medicare services for Radiology 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 58,342 total Medicare services.

Top Clinical Services

Full Record
NPI
1801247713
Entity Type
Individual
Last Name
Oei
First Name
Merrie
Middle Name
Wiyana
Name Prefix
Dr.
Credential
M.D.
Mailing Street Address
111 N Maplemere RD Ste 120
Mailing City
Williamsville
Mailing State
NY
Mailing ZIP Code
14221-3178
Mailing Country
US
Mailing Phone
(716) 836-4646
Practice Street Address
111 N Maplemere RD Ste 120
Practice City
Williamsville
Practice State
NY
Practice ZIP Code
14221-3178
Practice Country
US
Practice Phone
(716) 836-4646
Enumeration Date
June 22, 2016
Last Updated
August 21, 2023
Sex
Female
Sole Proprietor
Yes
Certification Date
August 21, 2023
Taxonomies
Diagnostic Radiology Physician (2085R0202X)