Doctor profile · Federal record

Dr. Fred Halloran, MD

Internal Medicine Physician (CMS: Internal Medicine) · Huntley, IL

  • NPI 1568434942
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11904 Oak Creek Pkwy
Huntley, IL 601426728
(847) 506-1478
fax (224) 858-4001

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
January 17, 2024
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036081972
Medicaid
IL #036081972

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568434942. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
745
Distinct HCPCS
5
Medicare allowed
$91,420
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 555 188 $133
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 86 86 $134
99213 Established patient office or other outpatient visit, 20-29 minutes 39 36 $94
G0444 Annual depression screening, 5 to 15 minutes 37 37 $19
99212 Established patient office or other outpatient visit, 10-19 minutes 28 26 $58

In context: peer comparison

Among 3 peers in this city , average services per provider: 157. This provider delivers 4.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$289
Transactions
11
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 6 $154.45
PFIZER INC. 4 $111.10
E.R. Squibb & Sons, L.L.C. 1 $23.22

By nature of payment

Food and Beverage
$289

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,302
Patients
387
Total drug cost
$25,395
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 154 43 $2,763
Metoprolol Tartrate Generic 122 31 $2,007
Levothyroxine Sodium Generic 110 32 $2,271
Simvastatin Generic 108 27 $1,074
Enalapril Maleate Generic 104 36 $3,376
Metformin Hcl Generic 101 29 $1,693
Tamsulosin Hcl Generic 97 32 $3,226
Amlodipine Besylate Generic 91 27 $963
Lisinopril Generic 85 24 $1,143
Glipizide Generic 71 22 $1,260

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Fred Halloran's medical specialty?
Dr. Fred Halloran practices Internal Medicine Physician in Huntley, IL.
Where does Dr. Fred Halloran practice?
Dr. Fred Halloran practices at 11904 Oak Creek Pkwy, Huntley, IL 601426728. Office phone: 8475061478.
What is Dr. Fred Halloran's NPI?
Dr. Fred Halloran's National Provider Identifier (NPI) is 1568434942, issued by NPPES.
Does Dr. Fred Halloran accept Medicare assignment?
Yes. Dr. Fred Halloran accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Fred Halloran commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.