Doctor profile · Federal record

Dr. Robert Gullberg, MD

Infectious Disease Physician (CMS: Infectious Disease) · Internal Medicine Physician · Racine, WI

  • NPI 1669402541
  • Accepts Medicare
  • MIPS 80.9 / 100 · 2023
  • 45 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3811 Spring Street
Racine, WI 53405
(262) 687-8310
fax (262) 687-8318

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
June 18, 2018
Year of graduation
1981 — 45 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State license (1)
Wisconsin #27459

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669402541. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,701
Distinct HCPCS
10
Medicare allowed
$149,727
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 522 289 $63
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 397 102 $75
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 252 96 $112
99214 Established patient office or other outpatient visit, 30-39 minutes 153 100 $93
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 139 139 $125
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 55 52 $164
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 53 52 $122
99239 Hospital discharge day management, more than 30 minutes 51 33 $109
99442 Telephone medical discussion with physician, 11-20 minutes 36 18 $63
99204 New patient office or other outpatient visit, 45-59 minutes 29 29 $127

In context: peer comparison

Among 1 peers in Racine Infectious Disease Physician, average services per provider: 154. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,279
Patients
1,282
Total drug cost
$71,140
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 675 147 $9,405
Atorvastatin Calcium Generic 536 142 $5,463
Potassium Chloride Generic 524 116 $13,832
Losartan Potassium Generic 453 117 $7,329
Amlodipine Besylate Generic 433 111 $3,132
Furosemide Generic 348 83 $2,644
Alprazolam Generic 311 65 $1,538
Lisinopril Generic 295 74 $3,056
Omeprazole Generic 291 76 $4,191
Gabapentin Generic 284 61 $5,246

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Gullberg's medical specialty?
Dr. Robert Gullberg practices Infectious Disease Physician in Racine, WI.
Where does Dr. Robert Gullberg practice?
Dr. Robert Gullberg practices at 3811 Spring Street, Racine, WI 53405. Office phone: 2626878310.
What is Dr. Robert Gullberg's NPI?
Dr. Robert Gullberg's National Provider Identifier (NPI) is 1669402541, issued by NPPES.
Does Dr. Robert Gullberg accept Medicare assignment?
Yes. Dr. Robert Gullberg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Gullberg commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.