National Provider Identifier
Yijun Cheng, M.D.
Yijun Cheng, M.D. is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician in Williamsville, NY and a listed phone number of (716) 630-1048.
Source: public NPPES record, last updated December 11, 2019. This profile is informational and is not medical advice, a quality rating, or a provider recommendation.
Profile Overview
- NPI
- 1013058213
- Provider Type
- Individual
- Primary Specialty
- Hematology & Oncology Physician
- Enumeration Date
- February 09, 2007
- Last Updated
- December 11, 2019
Practice Location
- 295 Essjay RD
- Williamsville, NY 14221-8216
Phone: (716) 630-1048
Mailing Address
- 425 Essjay RD Ste 170
- Williamsville, NY 14221-5782
Specialties
- Hematology & Oncology Physician (207RH0003X)
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Medicare Part B Activity
Reported 94,260 Medicare fee-for-service service lines in 2024.
Peer comparison
Compared to Internal Medicine providers in the Buffalo, NY metro area.
This provider is in the 100th percentile for Medicare service volume.
Among the highest-volume peers.
Performs about 257x the peer median number of Medicare services.
Higher than 664 of 665 peers.
- Activity Percentile
- 99.8%
- Rank by Services
- 1 of 665
- Total Services
- 94,260
- Est. Allowed Value
- $500,391.29
- Dataset Year
- 2024
- Drug Code Share
- 94.2%
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.
Drug-related HCPCS codes make up 94.2% of reported Medicare services, so the claim mix is dominated by administered-drug billing lines.
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 94,260 total Medicare services.
Top Clinical Services
- 85025: Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count
697 services | $5,240.22
- 99214: Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
635 services | $77,651.44
- 80053: Blood test, comprehensive group of blood chemicals
468 services | $4,825.15
- G2211: Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
455 services | $7,165.03
- 36415: Insertion of needle into vein for collection of blood sample
407 services | $2,870.00
Common Drug-Related Codes
- J1439: Injection, ferric carboxymaltose, 1 mg
63,750 services | $69,815.61
- J0881: Injection, darbepoetin alfa, 1 microgram (non-esrd use)
13,900 services | $40,750.96
- J0897: Injection, denosumab, 1 mg
6,960 services | $176,027.26
Full Record
- NPI
- 1013058213
- Entity Type
- Individual
- Last Name
- Cheng
- First Name
- Yijun
- Credential
- M.D.
- Mailing Street Address
- 425 Essjay RD Ste 170
- Mailing City
- Williamsville
- Mailing State
- NY
- Mailing ZIP Code
- 14221-5782
- Mailing Country
- US
- Mailing Phone
- (716) 630-1219
- Practice Street Address
- 295 Essjay RD
- Practice City
- Williamsville
- Practice State
- NY
- Practice ZIP Code
- 14221-8216
- Practice Country
- US
- Practice Phone
- (716) 630-1048
- Enumeration Date
- February 09, 2007
- Last Updated
- December 11, 2019
- Sex
- Male
- Sole Proprietor
- No
- Certification Date
- December 11, 2019
- Taxonomies
- Hematology & Oncology Physician (207RH0003X)