Doctor profile · Federal record

Dr. Tapan Roy, M.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · Radiation Oncology Physician · Tustin, CA

  • NPI 1205831922
  • Accepts Medicare
  • MIPS 87.1 / 100 · 2023
  • 52 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
14662 Newport Ave
Tustin, CA 927806064
(714) 573-9500
Mailing address
7330 Hickorywood Ln
Pleasanton, CA 945663584

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
January 17, 2022
Year of graduation
1974 — 52 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State licenses (2)
California #C51244 · Missouri #R4B37
Medicaid
MO #201528114

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205831922. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
486
Distinct HCPCS
5
Medicare allowed
$151,019
HCPCS Description Services Patients Avg allowed
0394T High dose rate electronic brachytherapy, external 145 112 $164
77600 Use of externally generated heat to increase temperature of cancer cell, heating to depths 4.0 cm or less 120 109 $569
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 101 90 $483
99213 Established patient office or other outpatient visit, 20-29 minutes 67 62 $93
99202 New patient office or other outpatient visit, 15-29 minutes 53 53 $74

In context: peer comparison

Among 1 peers in Tustin Radiation Oncology Physician, average services per provider: 97. This provider delivers 5.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Tapan Roy's medical specialty?
Dr. Tapan Roy practices Radiation Oncology Physician in Tustin, CA.
Where does Dr. Tapan Roy practice?
Dr. Tapan Roy practices at 14662 Newport Ave, Tustin, CA 927806064. Office phone: 7145739500.
What is Dr. Tapan Roy's NPI?
Dr. Tapan Roy's National Provider Identifier (NPI) is 1205831922, issued by NPPES.
Does Dr. Tapan Roy accept Medicare assignment?
Yes. Dr. Tapan Roy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tapan Roy commonly perform?
Top Medicare-reported procedures in 2023: High dose rate electronic brachytherapy, external (HCPCS 0394T); Use of externally generated heat to increase temperature of cancer cell, heating to depths 4.0 cm or less (HCPCS 77600); 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 (HCPCS 77290). Source: CMS Medicare Physician & Other Practitioners file.