Doctor profile · Federal record

Dr. Marilyn Pearson, MD

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

  • NPI 1144267626
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 49 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20 S Clark Street, 11Th Floor
Chicago, IL 60603
(312) 926-3627
Mailing address
680 N Lake Shore Drive, Suite 1000
Chicago, IL 60611

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
August 3, 2015
Year of graduation
1977 — 49 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036057152

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144267626. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
226
Distinct HCPCS
6
Medicare allowed
$22,563
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 63 55 $95
36415 Insertion of needle into vein for collection of blood sample 47 43 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 47 44 $133
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 43 43 $137
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 13 13 $280
G0009 Administration of pneumococcal vaccine 13 13 $32

In context: peer comparison

Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 1.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$117
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 1 $116.78

By nature of payment

Food and Beverage
$117

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,062
Patients
319
Total drug cost
$18,608
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 196 65 $3,435
Amlodipine Besylate Generic 131 43 $1,702
Hydrochlorothiazide Generic 125 41 $1,405
Levothyroxine Sodium Generic 110 40 $2,592
Losartan Potassium Generic 80 26 $1,377
Lisinopril Generic 62 23 $738
Rosuvastatin Calcium Generic 55 13 $1,191
Metoprolol Tartrate Generic 47 0 $435
Metoprolol Succinate Generic 44 14 $965
Metformin Hcl Generic 43 18 $547

Frequently asked questions

Auto-generated from federal data
What is Dr. Marilyn Pearson's medical specialty?
Dr. Marilyn Pearson practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Marilyn Pearson practice?
Dr. Marilyn Pearson practices at 20 S Clark Street, Chicago, IL 60603. Office phone: 3129263627.
What is Dr. Marilyn Pearson's NPI?
Dr. Marilyn Pearson's National Provider Identifier (NPI) is 1144267626, issued by NPPES.
Does Dr. Marilyn Pearson accept Medicare assignment?
Yes. Dr. Marilyn Pearson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marilyn Pearson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.