Doctor profile · Federal record

Dr. Alan Wan, D.O.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Medical Oncology Physician · Schaumburg, IL

  • NPI 1669777074
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 18 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
1325 N Meacham RD
Schaumburg, IL 601734824
(630) 364-7850
fax (630) 432-6604
Additional location
10370 Haligus RD Ste 202
Huntley, IL 601429582
(847) 802-7480
fax (847) 802-7485
Additional location
1475 E Belvidere RD
Grayslake, IL 600302012
(847) 582-2134
fax (847) 535-7285
Show 1 more location
Additional location
4305 W Medical Center Dr Ste 1
McHenry, IL 600508425
(815) 759-8100
fax (815) 759-8106
Mailing address
Pob 7132960
Chicago, IL 606770001

Credentials & registration

NPPES · NUCC
NPI registered
January 2011 — 15 yrs on file
Profile last updated
December 8, 2025
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Illinois #036133552
Medicaid
IL #036133552

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669777074. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,579
Distinct HCPCS
10
Medicare allowed
$377,410
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 799 278 $124
99215 Established patient office or other outpatient visit, 40-54 minutes 678 246 $174
36415 Insertion of needle into vein for collection of blood sample 649 266 $8
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 267 123 $79
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 258 116 $118
99213 Established patient office or other outpatient visit, 20-29 minutes 192 123 $88
99443 Telephone medical discussion with physician, 21-30 minutes 186 112 $124
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 162 77 $49
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 122 103 $173
99205 New patient office or other outpatient visit, 60-74 minutes 63 63 $216

In context: peer comparison

Among 1 peers in this city , average services per provider: 238. This provider delivers 15× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
629
Patients
192
Total drug cost
$601,222
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 140 33 $130,690
Anastrozole Generic 110 36 $3,189
Prednisone Generic 51 13 $303
Prochlorperazine Maleate Generic 45 28 $573
Dexamethasone Generic 43 17 $911
Ondansetron Hcl Generic 31 22 $389
Warfarin Sodium Generic 31 0 $419
Xarelto (Rivaroxaban) Brand 30 12 $45,577
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 24 0 $117
Ondansetron Odt (Ondansetron) Brand 23 16 $399

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alan Wan's medical specialty?
Dr. Alan Wan practices Hematology & Oncology Physician in Schaumburg, IL.
Where does Dr. Alan Wan practice?
Dr. Alan Wan practices at 1325 N Meacham RD, Schaumburg, IL 601734824. Office phone: 6303647850.
What is Dr. Alan Wan's NPI?
Dr. Alan Wan's National Provider Identifier (NPI) is 1669777074, issued by NPPES.
Does Dr. Alan Wan accept Medicare assignment?
Yes. Dr. Alan Wan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alan Wan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.