Doctor profile · Federal record

Dr. Umber Ahmad, DO

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

  • NPI 1083957153
  • Accepts Medicare
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4119 W Shamrock Ln
McHenry, IL 600508268
(815) 398-9491
fax (815) 381-7498
Mailing address
Po Box 735263
Chicago, IL 606735263

Credentials & registration

NPPES · NUCC
NPI registered
March 2013 — 13 yrs on file
Profile last updated
August 21, 2023
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
Illinois #036162396

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083957153. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
51
Distinct HCPCS
2
Medicare allowed
$4,868
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 34 30 $83
99214 Established patient office or other outpatient visit, 30-39 minutes 17 16 $121

In context: peer comparison

Among 1 peers in McHenry Rheumatology Physician, average services per provider: 25. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$113
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Alexion Pharmaceuticals, INC. 2 $66.02
Abbvie INC. 1 $24.46
Amgen INC. 1 $22.09

By nature of payment

Food and Beverage
$113

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
240
Patients
90
Total drug cost
$207,774
Drug Type Claims Patients Total cost
Prednisone Generic 59 31 $655
Hydroxychloroquine Sulfate Generic 58 31 $6,316
Methotrexate (Methotrexate Sodium) Brand 52 28 $1,589
Folic Acid Generic 18 0 $171
Enbrel Sureclick (Etanercept) Brand 14 0 $106,713
Leflunomide Generic 14 0 $2,971
Allopurinol Generic 13 0 $234
Humira(Cf) Pen (Adalimumab) Brand 12 0 $89,125

Frequently asked questions

Auto-generated from federal data
What is Dr. Umber Ahmad's medical specialty?
Dr. Umber Ahmad practices Rheumatology Physician in McHenry, IL.
Where does Dr. Umber Ahmad practice?
Dr. Umber Ahmad practices at 4119 W Shamrock Ln, McHenry, IL 600508268. Office phone: 8153989491.
What is Dr. Umber Ahmad's NPI?
Dr. Umber Ahmad's National Provider Identifier (NPI) is 1083957153, issued by NPPES.
Does Dr. Umber Ahmad accept Medicare assignment?
Yes. Dr. Umber Ahmad accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Umber Ahmad commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.