Doctor profile · Federal record

Dr. Daniel Fass, M.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · Rye, NY

  • NPI 1215049184
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Theall RD, Ste 107
Rye, NY 10580
(914) 848-8950
fax (914) 848-8951
Mailing address
2700 Westchester Ave, 2Nd Floor
Purchase, NY 105772547

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
October 31, 2013
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
New York #1611931

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215049184. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,160
Distinct HCPCS
10
Medicare allowed
$152,984
HCPCS Description Services Patients Avg allowed
G6017 Intra-fraction localization and tracking of target or patient motion during delivery of radiation therapy (eg,3d positional tracking, gating, 3d surface tracking), each fraction of treatment 1,118 56 $20
77427 Radiation treatment management, 5 treatment sessions 281 71 $185
77300 Calculation of radiation therapy dose 230 64 $32
77334 Design and construction of complex radiation treatment device 168 71 $58
77263 Complex radiation therapy planning 64 62 $163
99205 New patient office or other outpatient visit, 60-74 minutes 57 57 $173
77338 Design and construction of radiation treatment device for high precision radiation therapy 48 42 $218
77301 High precision radiation therapy planning 43 42 $406
77280 Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 39 29 $37
77332 Design and construction of simple radiation treatment device 35 31 $23

In context: peer comparison

Among 2 peers in Rye Radiation Oncology Physician, average services per provider: 179. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$146
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Progenics Pharmaceuticals, INC. 1 $124.16
Myriad Genetic Laboratories, INC. 1 $21.42

By nature of payment

Food and Beverage
$146

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
32
Patients
17
Total drug cost
$362
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 32 17 $362

Frequently asked questions

Auto-generated from federal data
What is Dr. Daniel Fass's medical specialty?
Dr. Daniel Fass practices Radiation Oncology Physician in Rye, NY.
Where does Dr. Daniel Fass practice?
Dr. Daniel Fass practices at 1 Theall RD, Rye, NY 10580. Office phone: 9148488950.
What is Dr. Daniel Fass's NPI?
Dr. Daniel Fass's National Provider Identifier (NPI) is 1215049184, issued by NPPES.
Does Dr. Daniel Fass accept Medicare assignment?
Yes. Dr. Daniel Fass accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Daniel Fass commonly perform?
Top Medicare-reported procedures in 2023: Intra-fraction localization and tracking of target or patient motion during delivery of radiation therapy (eg,3d positional tracking, gating, 3d surface tracking), each fraction of treatment (HCPCS G6017); Radiation treatment management, 5 treatment sessions (HCPCS 77427); Calculation of radiation therapy dose (HCPCS 77300). Source: CMS Medicare Physician & Other Practitioners file.