Doctor profile · Federal record

Dr. Won Chang, MD

Radiation Oncology Physician (CMS: Radiation Oncology) · Philadelphia, PA

  • NPI 1992787618
  • Accepts Medicare
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9910 Roosevelt Blvd
Philadelphia, PA 191151705
(215) 658-4669
fax (215) 671-4307
Mailing address
Po Box 780595
Philadelphia, PA 191780595

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
February 17, 2022
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Pennsylvania #MD071181L
Medicaid (2)
PA #0018183900003 · PA #0018183900001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992787618. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,829
Distinct HCPCS
10
Medicare allowed
$676,298
HCPCS Description Services Patients Avg allowed
G6015 Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session 500 19 $378
77014 Ct guidance for insertion of radiation therapy fields 385 25 $126
G6012 Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev 272 24 $247
G6002 Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy 266 18 $77
77300 Calculation of radiation therapy dose 205 45 $69
77336 Continuing radiation therapy consultation per week 203 61 $91
77427 Radiation treatment management, 5 treatment sessions 185 47 $197
G6013 Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 11-19 mev 174 14 $251
77334 Design and construction of complex radiation treatment device 132 46 $131
99213 Established patient office or other outpatient visit, 20-29 minutes 98 67 $92

In context: peer comparison

Among 45 peers in this city , average services per provider: 88. This provider delivers 32× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,048
Transactions
15
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 2 $539.52
E.R. Squibb & Sons, L.L.C. 1 $125.00
ABBVIE INC. 1 $119.70
Janssen Biotech, Inc. 2 $56.80
PFIZER INC. 2 $54.64
Regeneron Healthcare Solutions, Inc. 2 $42.53
Lilly USA, LLC 1 $24.94
Bayer Healthcare Pharmaceuticals Inc. 1 $24.48
Merck Sharp & Dohme LLC 1 $22.02
GlaxoSmithKline, LLC. 1 $21.12
Genentech USA, Inc. 1 $17.05

By nature of payment

Consulting Fee
$525
Food and Beverage
$523

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
33
Patients
0
Total drug cost
$818
Drug Type Claims Patients Total cost
Dexamethasone Generic 11 0 $329
Fluconazole Generic 11 0 $361
Ondansetron Hcl Generic 11 0 $128

Frequently asked questions

Auto-generated from federal data
What is Dr. Won Chang's medical specialty?
Dr. Won Chang practices Radiation Oncology Physician in Philadelphia, PA.
Where does Dr. Won Chang practice?
Dr. Won Chang practices at 9910 Roosevelt Blvd, Philadelphia, PA 191151705. Office phone: 2156584669.
What is Dr. Won Chang's NPI?
Dr. Won Chang's National Provider Identifier (NPI) is 1992787618, issued by NPPES.
Does Dr. Won Chang accept Medicare assignment?
Yes. Dr. Won Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Won Chang commonly perform?
Top Medicare-reported procedures in 2023: Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc (HCPCS G6015); Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 6-10 mev (HCPCS G6012). Source: CMS Medicare Physician & Other Practitioners file.