Doctor profile · Federal record

Dr. John Regan, M.D.

Hospitalist Physician (CMS: Hospitalist) · Palos Heights, IL

  • NPI 1104274968
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
12251 S 80Th Ave
Palos Heights, IL 604631256
(708) 923-5869
fax (708) 923-5859
Mailing address
12251 S 80Th Ave Ste 1630
Palos Heights, IL 604631256

Credentials & registration

NPPES · NUCC
NPI registered
June 2016 — 10 yrs on file
Profile last updated
July 2, 2019
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Illinois #036148457
Medicaid
IL #036148457

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104274968. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,263
Distinct HCPCS
6
Medicare allowed
$130,148
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 645 240 $83
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 295 90 $125
99239 Hospital discharge day management, more than 30 minutes 183 179 $120
99238 Hospital discharge day management, 30 minutes or less 65 65 $84
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 51 50 $182
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 24 22 $138

In context: peer comparison

Among 23 peers in Palos Heights Hospitalist Physician, average services per provider: 162. This provider delivers 7.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$39
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Endo Pharmaceuticals INC. 1 $20.74
Edwards Lifesciences Corporation 1 $18.21

By nature of payment

Food and Beverage
$39

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
110
Patients
94
Total drug cost
$714
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 18 17 $99
Prednisone Generic 17 17 $50
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 16 14 $87
Furosemide Generic 13 12 $41
Metoprolol Succinate Generic 12 11 $70
Pantoprazole Sodium Generic 12 12 $114
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 11 11 $97
Clopidogrel (Clopidogrel Bisulfate) Brand 11 0 $156

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Regan's medical specialty?
Dr. John Regan practices Hospitalist Physician in Palos Heights, IL.
Where does Dr. John Regan practice?
Dr. John Regan practices at 12251 S 80Th Ave, Palos Heights, IL 604631256. Office phone: 7089235869.
What is Dr. John Regan's NPI?
Dr. John Regan's National Provider Identifier (NPI) is 1104274968, issued by NPPES.
Does Dr. John Regan accept Medicare assignment?
Yes. Dr. John Regan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Regan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.