Doctor profile · Federal record

Dr. Neal Kellenberger, MD

Family Medicine Physician (CMS: Family Practice) · Belvidere, IL

  • NPI 1427210319
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 18 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1700 Henry Luckow Ln
Belvidere, IL 61008
(779) 696-8650
fax (815) 544-4691
Mailing address
Po Box 78866
Milwaukee, WI 532788866

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
February 19, 2021
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Illinois #036.128564

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427210319. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,085
Distinct HCPCS
10
Medicare allowed
$94,905
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 427 249 $122
36415 Insertion of needle into vein for collection of blood sample 177 144 $8
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 96 26 $78
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 83 83 $124
99213 Established patient office or other outpatient visit, 20-29 minutes 66 62 $87
99239 Hospital discharge day management, more than 30 minutes 45 28 $112
G0008 Administration of influenza virus vaccine 31 31 $30
81003 Automated urinalysis test 30 27 $2
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 30 21 $125
90662 Influenza vaccine split virus, preservative free 28 28 $71

In context: peer comparison

Among 9 peers in this city , average services per provider: 75. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,213
Patients
1,285
Total drug cost
$59,187
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 637 190 $8,003
Levothyroxine Sodium Generic 462 138 $6,618
Lisinopril Generic 406 129 $3,405
Amlodipine Besylate Generic 347 109 $2,875
Losartan Potassium Generic 318 95 $4,345
Metoprolol Succinate Generic 287 85 $5,231
Omeprazole Generic 270 80 $3,768
Rosuvastatin Calcium Generic 216 66 $3,496
Metformin Hcl Generic 192 57 $2,249
Simvastatin Generic 191 50 $1,976

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Neal Kellenberger's medical specialty?
Dr. Neal Kellenberger practices Family Medicine Physician in Belvidere, IL.
Where does Dr. Neal Kellenberger practice?
Dr. Neal Kellenberger practices at 1700 Henry Luckow Ln, Belvidere, IL 61008. Office phone: 7796968650.
What is Dr. Neal Kellenberger's NPI?
Dr. Neal Kellenberger's National Provider Identifier (NPI) is 1427210319, issued by NPPES.
Does Dr. Neal Kellenberger accept Medicare assignment?
Yes. Dr. Neal Kellenberger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Neal Kellenberger commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.