Doctor profile · Federal record

Dr. Jeffrey Quackenbush, MD

Radiation Oncology Physician (CMS: Radiation Oncology) · Valparaiso, IN

  • NPI 1639151921
  • Accepts Medicare
  • MIPS 75.9 / 100 · 2023
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
54 Roosevelt RD
Valparaiso, IN 463835845
(219) 462-8246
fax (219) 462-7902
Mailing address
Dept 6064
Carol Street, IL 60122

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
July 22, 2010
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
2085R0001X — NUCC code
State license (1)
Indiana #01055750A
Medicaid
IN #200371010A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639151921. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,466
Distinct HCPCS
10
Medicare allowed
$1,412,633
HCPCS Description Services Patients Avg allowed
G6015 Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session 1,859 93 $327
77014 Ct guidance for insertion of radiation therapy fields 1,226 61 $111
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 795 46 $70
77336 Continuing radiation therapy consultation per week 434 116 $77
77427 Radiation treatment management, 5 treatment sessions 403 99 $179
77300 Calculation of radiation therapy dose 342 113 $61
77334 Design and construction of complex radiation treatment device 155 70 $116
77338 Design and construction of radiation treatment device for high precision radiation therapy 124 104 $430
99213 Established patient office or other outpatient visit, 20-29 minutes 119 81 $83
99205 New patient office or other outpatient visit, 60-74 minutes 116 116 $204

In context: peer comparison

Among 1 peers in Valparaiso Radiation Oncology Physician, average services per provider: 281. This provider delivers 23× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
101
Patients
40
Total drug cost
$2,083
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 50 15 $878
Alfuzosin Hcl ER (Alfuzosin Hcl) Brand 28 11 $786
Hydrocortisone Generic 23 14 $419

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jeffrey Quackenbush's medical specialty?
Dr. Jeffrey Quackenbush practices Radiation Oncology Physician in Valparaiso, IN.
Where does Dr. Jeffrey Quackenbush practice?
Dr. Jeffrey Quackenbush practices at 54 Roosevelt RD, Valparaiso, IN 463835845. Office phone: 2194628246.
What is Dr. Jeffrey Quackenbush's NPI?
Dr. Jeffrey Quackenbush's National Provider Identifier (NPI) is 1639151921, issued by NPPES.
Does Dr. Jeffrey Quackenbush accept Medicare assignment?
Yes. Dr. Jeffrey Quackenbush accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jeffrey Quackenbush commonly perform?
Top Medicare-reported procedures in 2023: Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc (HCPCS G6015); Ct guidance for insertion of radiation therapy fields (HCPCS 77014); 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). Source: CMS Medicare Physician & Other Practitioners file.