Doctor profile · Federal record

Dr. Roberto Santiago Mendez, M.D

Radiation Oncology Physician (CMS: Radiation Oncology) · Bayamon, PR

  • NPI 1710025762
  • Accepts Medicare
  • MIPS 80.2 / 100 · 2023
  • 27 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Marginal #2, Esquina 3B, Suite G1, Urb Hermanas Davila
Bayamon, PR 00960
(787) 966-7500
fax (787) 966-7505
Mailing address
Po Box 1589
Bayamon, PR 009601589

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
March 21, 2013
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Puerto Rico #15470

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710025762. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
765
Distinct HCPCS
10
Medicare allowed
$168,510
HCPCS Description Services Patients Avg allowed
G6002 Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy 253 17 $75
G6015 Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session 252 16 $362
77336 Continuing radiation therapy consultation per week 48 15 $87
77300 Calculation of radiation therapy dose 44 16 $66
77427 Radiation treatment management, 5 treatment sessions 44 12 $190
77334 Design and construction of complex radiation treatment device 23 17 $125
77338 Design and construction of radiation treatment device for high precision radiation therapy 17 14 $445
77263 Complex radiation therapy planning 16 15 $168
77280 Obtaining data needed to develop the optimal radiation treatment, 1 treatment area 16 14 $255
77014 Ct guidance for insertion of radiation therapy fields 15 14 $121

In context: peer comparison

Among 2 peers in Bayamon Radiation Oncology Physician, average services per provider: 51. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,652
Transactions
6
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $1,125.00
Elekta, INC. 3 $370.77
Novartis Pharmaceuticals Corporation 2 $156.18

By nature of payment

Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$1,125
Food and Beverage
$527

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
146
Patients
100
Total drug cost
$2,103
Drug Type Claims Patients Total cost
Ciprofloxacin Hcl Generic 25 25 $167
Gabapentin Generic 21 18 $169
Lorazepam Generic 19 19 $49
Tamsulosin Hcl Generic 19 14 $443
Diclofenac Potassium Generic 17 0 $527
Bicalutamide Generic 16 0 $472
Methylprednisolone Generic 15 12 $180
Tramadol Hcl Generic 14 12 $96

Frequently asked questions

Auto-generated from federal data
What is Dr. Roberto Santiago Mendez's medical specialty?
Dr. Roberto Santiago Mendez practices Radiation Oncology Physician in Bayamon, PR.
Where does Dr. Roberto Santiago Mendez practice?
Dr. Roberto Santiago Mendez practices at Marginal #2, Esquina 3B, Suite G1, Bayamon, PR 00960. Office phone: 7879667500.
What is Dr. Roberto Santiago Mendez's NPI?
Dr. Roberto Santiago Mendez's National Provider Identifier (NPI) is 1710025762, issued by NPPES.
Does Dr. Roberto Santiago Mendez accept Medicare assignment?
Yes. Dr. Roberto Santiago Mendez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Roberto Santiago Mendez 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); Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc (HCPCS G6015); Continuing radiation therapy consultation per week (HCPCS 77336). Source: CMS Medicare Physician & Other Practitioners file.