Doctor profile · Federal record

Dr. George Grass, M.D., PH.D.

Radiation Oncology Physician (CMS: Radiation Oncology) · Tampa, FL

  • NPI 1316350234
  • Accepts Medicare
  • MIPS 85.6 / 100 · 2023
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4101 Jim Walter Blvd
Tampa, FL 336075775
(813) 745-1600
Additional location
12902 Usf Magnolia Dr
Tampa, FL 336129416
(813) 745-4673
Mailing address
12902 Usf Magnolia Dr
Tampa, FL 336129416

Credentials & registration

NPPES · NUCC
NPI registered
June 2014 — 12 yrs on file
Profile last updated
May 23, 2019
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Florida #ME140491

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316350234. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,672
Distinct HCPCS
10
Medicare allowed
$150,308
HCPCS Description Services Patients Avg allowed
77014 Ct guidance for insertion of radiation therapy fields 456 99 $45
77300 Calculation of radiation therapy dose 192 22 $33
77014 Ct guidance for insertion of radiation therapy fields 162 50 $45
77300 Calculation of radiation therapy dose 141 28 $33
77427 Radiation treatment management, 5 treatment sessions 135 51 $193
99213 Established patient office or other outpatient visit, 20-29 minutes 98 69 $67
77334 Design and construction of complex radiation treatment device 67 32 $60
77427 Radiation treatment management, 5 treatment sessions 50 20 $193
99205 New patient office or other outpatient visit, 60-74 minutes 49 49 $180
99214 Established patient office or other outpatient visit, 30-39 minutes 39 33 $98

In context: peer comparison

Among 12 peers in Tampa Radiation Oncology Physician, average services per provider: 131. This provider delivers 13× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
162
Patients
55
Total drug cost
$3,566
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 91 35 $1,705
Oxybutynin Chloride Generic 47 20 $806
Solifenacin Succinate Generic 13 0 $1,030
Sildenafil Citrate Generic 11 0 $25

Frequently asked questions

Auto-generated from federal data
What is Dr. George Grass's medical specialty?
Dr. George Grass practices Radiation Oncology Physician in Tampa, FL.
Where does Dr. George Grass practice?
Dr. George Grass practices at 4101 Jim Walter Blvd, Tampa, FL 336075775. Office phone: 8137451600.
What is Dr. George Grass's NPI?
Dr. George Grass's National Provider Identifier (NPI) is 1316350234, issued by NPPES.
Does Dr. George Grass accept Medicare assignment?
Yes. Dr. George Grass accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. George Grass commonly perform?
Top Medicare-reported procedures in 2023: Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Calculation of radiation therapy dose (HCPCS 77300); Ct guidance for insertion of radiation therapy fields (HCPCS 77014). Source: CMS Medicare Physician & Other Practitioners file.