Doctor profile · Federal record

Dr. Mariam Siddiqui, M.D.

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

  • NPI 1912296708
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
680 N Lake Shore Dr, Suite 1000
Chicago, IL 606114546
(312) 695-9797

Credentials & registration

NPPES · NUCC
NPI registered
March 2011 — 15 yrs on file
Profile last updated
August 2, 2016
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
Illinois #036135374

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912296708. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
759
Distinct HCPCS
10
Medicare allowed
$85,098
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 315 179 $136
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 147 29 $1
99215 Established patient office or other outpatient visit, 40-54 minutes 110 75 $189
99442 Telephone medical discussion with physician, 11-20 minutes 62 52 $96
20610 Aspiration and/or injection of fluid from large joint 34 26 $79
99204 New patient office or other outpatient visit, 45-59 minutes 31 31 $178
99205 New patient office or other outpatient visit, 60-74 minutes 21 21 $236
96372 Injection of drug or substance under skin or into muscle 14 11 $15
99443 Telephone medical discussion with physician, 21-30 minutes 13 13 $134
G0008 Administration of influenza virus vaccine 12 12 $32

In context: peer comparison

Among 36 peers in Chicago Rheumatology Physician, average services per provider: 1,230. This provider delivers 0.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Kedrion Biopharma, INC. 1 $19.13

By nature of payment

Food and Beverage
$19

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,283
Patients
280
Total drug cost
$1,309,843
Drug Type Claims Patients Total cost
Prednisone Generic 310 79 $2,743
Hydroxychloroquine Sulfate Generic 223 70 $11,440
Methotrexate (Methotrexate Sodium) Brand 157 48 $9,645
Allopurinol Generic 110 25 $1,400
Leflunomide Generic 77 21 $9,408
Humira(Cf) Pen (Adalimumab) Brand 71 0 $524,428
Xeljanz Xr (Tofacitinib Citrate) Brand 50 0 $328,857
Duloxetine Hcl Generic 39 12 $939
Sulfasalazine Generic 39 0 $1,572
Gabapentin Generic 38 14 $616

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mariam Siddiqui's medical specialty?
Dr. Mariam Siddiqui practices Rheumatology Physician in Chicago, IL.
Where does Dr. Mariam Siddiqui practice?
Dr. Mariam Siddiqui practices at 680 N Lake Shore Dr, Chicago, IL 606114546. Office phone: 3126959797.
What is Dr. Mariam Siddiqui's NPI?
Dr. Mariam Siddiqui's National Provider Identifier (NPI) is 1912296708, issued by NPPES.
Does Dr. Mariam Siddiqui accept Medicare assignment?
Yes. Dr. Mariam Siddiqui accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mariam Siddiqui commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.