Doctor profile · Federal record

Dr. Clarence Parks, M.D.

Pediatrics Physician (CMS: Hospitalist) · Internal Medicine Physician · Chicago, IL

  • NPI 1245203512
  • Accepts Medicare
  • MIPS 81.7 / 100 · 2023
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1645 W Jackson Blvd, Suite 215
Chicago, IL 606123276
(312) 942-6800
fax (312) 942-3551

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
June 3, 2009
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
208000000X — NUCC code
State licenses (2)
Illinois #036-105357 · Illinois #036105357
Medicaid
IL #036105351

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245203512. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
251
Distinct HCPCS
4
Medicare allowed
$26,042
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 94 76 $76
99239 Hospital discharge day management, more than 30 minutes 81 79 $112
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 57 42 $116
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 19 19 $170

In context: peer comparison

Among 11 peers in Chicago Pediatrics Physician, average services per provider: 72. This provider delivers 3.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$70
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Emd Serono, INC. 2 $38.00
Novartis Pharmaceuticals Corporation 1 $32.31

By nature of payment

Food and Beverage
$70

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
258
Patients
115
Total drug cost
$249,445
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 32 20 $310
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 26 0 $138,907
Cefuroxime (Cefuroxime Axetil) Brand 24 24 $364
Doxycycline Hyclate Generic 23 23 $484
Genvoya (Elviteg/Cob/Emtri/Tenof Alafen) Brand 20 0 $91,729
Atorvastatin Calcium Generic 16 0 $140
Metoprolol Succinate Generic 16 12 $266
Eliquis (Apixaban) Brand 15 0 $8,134
Ciclopirox (Ciclopirox Olamine) Brand 14 0 $525
Prednisone Generic 14 13 $31

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Clarence Parks's medical specialty?
Dr. Clarence Parks practices Pediatrics Physician in Chicago, IL.
Where does Dr. Clarence Parks practice?
Dr. Clarence Parks practices at 1645 W Jackson Blvd, Chicago, IL 606123276. Office phone: 3129426800.
What is Dr. Clarence Parks's NPI?
Dr. Clarence Parks's National Provider Identifier (NPI) is 1245203512, issued by NPPES.
Does Dr. Clarence Parks accept Medicare assignment?
Yes. Dr. Clarence Parks accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Clarence Parks commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.