Doctor profile · Federal record
Dr. Dorothy Lam, M.D.
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Chicago, IL
- NPI 1497911044
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 22 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
5145 N. California Ave., Department of Radiology
Chicago, IL 606253661
(773) 989-3814 - Additional location
-
1750 W Harrison St
Chicago, IL 606123825
(312) 942-5000 - Mailing address
-
2650 Ridge Ave., 1223
Evanston, IL 602011718
Credentials & registration
- NPI registered
- August 2008 — 18 yrs on file
- Profile last updated
- December 30, 2025
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State license (1)
- Illinois #036-120792
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1497911044. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,400
Distinct HCPCS
10
Medicare allowed
$129,810
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
77067 |
Screening mammography | 577 | 577 | $39 | |
77063 |
Screening 3d breast mammography | 571 | 571 | $31 | |
71045 |
X-ray of chest, 1 view | 333 | 293 | $9 | |
78452 |
Nuclear medicine studies of heart muscle at rest and with stress and spect | 287 | 284 | $79 | |
70450 |
Ct scan head or brain without contrast | 156 | 152 | $41 | |
G0279 |
Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) | 141 | 129 | $31 | |
76770 |
Complete ultrasound scan behind abdominal cavity | 112 | 111 | $37 | |
93971 |
Ultrasound study of one arm or leg veins with compression and maneuvers | 101 | 94 | $23 | |
76705 |
Limited ultrasound scan of abdomen | 100 | 95 | $30 | |
76642 |
Limited ultrasound scan of 1 breast | 99 | 92 | $37 |
In context: peer comparison
Among 155 peers in Chicago Diagnostic Radiology Physician, average services per provider: 102. This provider delivers 33× the peer median.Open Payments
Industry payments received
All-time total
$422
Transactions
3
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Ge Healthcare | 1 | $382.00 | |
| Siemens Medical Solutions USA, INC. | 1 | $26.92 | |
| Ardelyx, INC. | 1 | $13.45 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Dorothy Lam's medical specialty?
Dr. Dorothy Lam practices Diagnostic Radiology Physician in Chicago, IL.
Where does Dr. Dorothy Lam practice?
Dr. Dorothy Lam practices at 5145 N. California Ave., Chicago, IL 606253661. Office phone: 7739893814.
What is Dr. Dorothy Lam's NPI?
Dr. Dorothy Lam's National Provider Identifier (NPI) is 1497911044, issued by NPPES.
Does Dr. Dorothy Lam accept Medicare assignment?
Yes. Dr. Dorothy Lam accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dorothy Lam commonly perform?
Top Medicare-reported procedures in 2023: Screening mammography (HCPCS 77067); Screening 3d breast mammography (HCPCS 77063); X-ray of chest, 1 view (HCPCS 71045). Source: CMS Medicare Physician & Other Practitioners file.