Doctor profile · Federal record

Dr. Mohammad Zaheerullah, M.D.

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

  • NPI 1669622809
  • Accepts Medicare
  • 18 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
355 Ridge Ave, Rm G102
Evanston, IL 602023328
(847) 316-4000

Credentials & registration

NPPES · NUCC
NPI registered
September 2008 — 18 yrs on file
Profile last updated
October 16, 2020
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036.127717

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669622809. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
512
Distinct HCPCS
5
Medicare allowed
$65,214
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 233 98 $125
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 78 47 $83
99239 Hospital discharge day management, more than 30 minutes 77 75 $120
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 75 71 $182
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 49 48 $137

In context: peer comparison

Among 34 peers in Evanston Internal Medicine Physician, average services per provider: 91. This provider delivers 5.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$47
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Actelion Pharmaceuticals US, INC. 1 $24.87
United Therapeutics Corporation 1 $22.14

By nature of payment

Food and Beverage
$47

Frequently asked questions

Auto-generated from federal data
What is Dr. Mohammad Zaheerullah's medical specialty?
Dr. Mohammad Zaheerullah practices Internal Medicine Physician in Evanston, IL.
Where does Dr. Mohammad Zaheerullah practice?
Dr. Mohammad Zaheerullah practices at 355 Ridge Ave, Evanston, IL 602023328. Office phone: 8473164000.
What is Dr. Mohammad Zaheerullah's NPI?
Dr. Mohammad Zaheerullah's National Provider Identifier (NPI) is 1669622809, issued by NPPES.
Does Dr. Mohammad Zaheerullah accept Medicare assignment?
Yes. Dr. Mohammad Zaheerullah accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mohammad Zaheerullah commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.