Doctor profile · Federal record
Dr. Christopher Lang, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Emergency Medicine Physician · Lake Forest, IL
- NPI 1811915440
- Accepts Medicare
- MIPS 91.3 / 100 · 2023
- 28 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1000 N Westmoreland RD
Lake Forest, IL 600451658
(847) 535-6150
fax (847) 535-7801 - Additional location
-
900 23Rd St Nw
Washington, DC 200372342
(202) 741-2911
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- January 12, 2023
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State licenses (3)
- Illinois #036162750 · District of Columbia #MD034519 · Virginia #0101222170
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1811915440. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
357
Distinct HCPCS
4
Medicare allowed
$59,146
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 179 | 176 | $186 | |
99284 |
Emergency department visit with moderate level of medical decision making | 114 | 112 | $127 | |
99291 |
Critical care, first 30-74 minutes | 43 | 42 | $226 | |
99283 |
Emergency department visit with low level of medical decision making | 21 | 21 | $77 |
In context: peer comparison
Among 8 peers in Lake Forest Emergency Medicine Physician, average services per provider: 79. This provider delivers 4.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
13
Patients
13
Total drug cost
$42
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 13 | 13 | $42 |
Frequently asked questions
What is Dr. Christopher Lang's medical specialty?
Dr. Christopher Lang practices Emergency Medicine Physician in Lake Forest, IL.
Where does Dr. Christopher Lang practice?
Dr. Christopher Lang practices at 1000 N Westmoreland RD, Lake Forest, IL 600451658. Office phone: 8475356150.
What is Dr. Christopher Lang's NPI?
Dr. Christopher Lang's National Provider Identifier (NPI) is 1811915440, issued by NPPES.
Does Dr. Christopher Lang accept Medicare assignment?
Yes. Dr. Christopher Lang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Lang commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.