Doctor profile · Federal record

Dr. Michael Macklin, M.D.

Rheumatology Physician (CMS: Rheumatology) · Rheumatology Physician · Chicago, IL

  • NPI 1194287185
  • Accepts Medicare
  • 7 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5841 S Maryland Ave
Chicago, IL 606371443
(773) 702-6119
Mailing address
150 Harvester Dr Ste 300
Burr Ridge, IL 605275965

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
January 25, 2024
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State licenses (2)
Illinois #036159238 · Indiana #01092345A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194287185. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,330
Transactions
33
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Amgen INC. 15 $3,032.33
Janssen Scientific Affairs, LLC 3 $317.04
Vertex Pharmaceuticals Incorporated 1 $266.67
Alexion Pharmaceuticals, INC. 2 $226.36
Abbvie INC. 4 $211.14
GlaxoSmithKline, LLC. 3 $137.69
E.R. Squibb & Sons, L.L.C. 3 $81.95
Genzyme Corporation 1 $36.66
Genentech USA, INC. 1 $20.58

By nature of payment

Food and Beverage
$2,141
Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$1,824
Consulting Fee
$267
Education
$99

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
566
Patients
134
Total drug cost
$266,412
Drug Type Claims Patients Total cost
Methotrexate (Methotrexate Sodium) Brand 138 40 $5,013
Prednisone Generic 103 42 $888
Hydroxychloroquine Sulfate Generic 63 26 $3,485
Duloxetine Hcl Generic 38 14 $1,130
Leflunomide Generic 29 0 $4,222
Diclofenac Sodium Generic 27 0 $1,732
Humira Pen (Adalimumab) Brand 27 0 $235,736
Gabapentin Generic 26 12 $508
Sulfasalazine Generic 23 0 $483
Mycophenolate Mofetil Generic 19 0 $6,232

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Macklin's medical specialty?
Dr. Michael Macklin practices Rheumatology Physician in Chicago, IL.
Where does Dr. Michael Macklin practice?
Dr. Michael Macklin practices at 5841 S Maryland Ave, Chicago, IL 606371443. Office phone: 7737026119.
What is Dr. Michael Macklin's NPI?
Dr. Michael Macklin's National Provider Identifier (NPI) is 1194287185, issued by NPPES.
Does Dr. Michael Macklin accept Medicare assignment?
Yes. Dr. Michael Macklin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.