Doctor profile · Federal record

Dr. Stephen Shiao, MD

Radiation Oncology Physician (CMS: Radiation Oncology) · New Haven, CT

  • NPI 1295902112
  • Accepts Medicare
  • MIPS 78.8 / 100 · 2023
  • 19 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20 York Street T-209, Yale New Haven Hospital
New Haven, CT 065103220
(203) 688-2259
fax (203) 688-5599

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
January 21, 2016
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
California #A108146

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295902112. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
504
Distinct HCPCS
7
Medicare allowed
$38,435
HCPCS Description Services Patients Avg allowed
77300 Calculation of radiation therapy dose 210 18 $36
77334 Design and construction of complex radiation treatment device 175 20 $66
77427 Radiation treatment management, 5 treatment sessions 39 14 $209
77263 Complex radiation therapy planning 25 19 $183
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 22 15 $90
77280 Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 17 14 $42
77295 3d radiation therapy planning 16 15 $246

In context: peer comparison

Among 15 peers in New Haven Radiation Oncology Physician, average services per provider: 66. This provider delivers 7.6× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Shiao's medical specialty?
Dr. Stephen Shiao practices Radiation Oncology Physician in New Haven, CT.
Where does Dr. Stephen Shiao practice?
Dr. Stephen Shiao practices at 20 York Street T-209, New Haven, CT 065103220. Office phone: 2036882259.
What is Dr. Stephen Shiao's NPI?
Dr. Stephen Shiao's National Provider Identifier (NPI) is 1295902112, issued by NPPES.
Does Dr. Stephen Shiao accept Medicare assignment?
Yes. Dr. Stephen Shiao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Shiao commonly perform?
Top Medicare-reported procedures in 2023: Calculation of radiation therapy dose (HCPCS 77300); Design and construction of complex radiation treatment device (HCPCS 77334); Radiation treatment management, 5 treatment sessions (HCPCS 77427). Source: CMS Medicare Physician & Other Practitioners file.