Doctor profile · Federal record

Dr. William Chen, M.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · Student in an Organized Health Care Education/Training Program · Bay Shore, NY

  • NPI 1962602136
  • Accepts Medicare
  • MIPS 85.0 / 100 · 2023
  • 20 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
440 E Main St Ste C
Bay Shore, NY 11706
(855) 927-6622
fax (516) 470-8445

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
July 27, 2023
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
New York #268572-4
Medicaid
NY #03807430

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962602136. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,711
Distinct HCPCS
10
Medicare allowed
$192,970
HCPCS Description Services Patients Avg allowed
G6002 Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy 435 26 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 241 145 $149
77014 Ct guidance for insertion of radiation therapy fields 228 26 $51
77427 Radiation treatment management, 5 treatment sessions 192 48 $222
77300 Calculation of radiation therapy dose 139 50 $38
77334 Design and construction of complex radiation treatment device 123 41 $68
77263 Complex radiation therapy planning 60 56 $196
99215 Established patient office or other outpatient visit, 40-54 minutes 50 44 $209
99205 New patient office or other outpatient visit, 60-74 minutes 49 49 $258
77290 Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved 36 32 $94

In context: peer comparison

Among 2 peers in Bay Shore Radiation Oncology Physician, average services per provider: 108. This provider delivers 16× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Chen's medical specialty?
Dr. William Chen practices Radiation Oncology Physician in Bay Shore, NY.
Where does Dr. William Chen practice?
Dr. William Chen practices at 440 E Main St Ste C, Bay Shore, NY 11706. Office phone: 8559276622.
What is Dr. William Chen's NPI?
Dr. William Chen's National Provider Identifier (NPI) is 1962602136, issued by NPPES.
Does Dr. William Chen accept Medicare assignment?
Yes. Dr. William Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Chen commonly perform?
Top Medicare-reported procedures in 2023: Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (HCPCS G6002); Established patient office or other outpatient visit (HCPCS 99214); Ct guidance for insertion of radiation therapy fields (HCPCS 77014). Source: CMS Medicare Physician & Other Practitioners file.