Doctor profile · Federal record
Dr. Charles Lo, MD
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Chicago, IL
- NPI 1578635173
- 49 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
8 S Michigan Ave, Ste 1316
Chicago, IL 60603
(872) 444-2473 - Mailing address
-
8 S Michigan Ave Ste 1316
Chicago, IL 606033381
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- May 25, 2023
- Year of graduation
- 1977 — 49 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Illinois #03657432 · Illinois #036-57432
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578635173. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,328
Distinct HCPCS
5
Medicare allowed
$49,001
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99211 |
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 340 | 67 | $17 | |
97813 |
Acupuncture with electrical stimulation, initial 15 minutes | 330 | 67 | $42 | |
97814 |
Acupuncture with electrical stimulation, each additional 15 minutes | 326 | 67 | $35 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 317 | 21 | $49 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 15 | 15 | $167 |
In context: peer comparison
Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 7.9× the peer median.Frequently asked questions
What is Dr. Charles Lo's medical specialty?
Dr. Charles Lo practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Charles Lo practice?
Dr. Charles Lo practices at 8 S Michigan Ave, Chicago, IL 60603. Office phone: 8724442473.
What is Dr. Charles Lo's NPI?
Dr. Charles Lo's National Provider Identifier (NPI) is 1578635173, issued by NPPES.
Does Dr. Charles Lo accept Medicare assignment?
Dr. Charles Lo does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Charles Lo commonly perform?
Top Medicare-reported procedures in 2023: Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (HCPCS 99211); Acupuncture with electrical stimulation (HCPCS 97813); Acupuncture with electrical stimulation (HCPCS 97814). Source: CMS Medicare Physician & Other Practitioners file.