Doctor profile · Federal record
Dr. Mark Chyna, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Libertyville, IL
- NPI 1740273507
- Accepts Medicare
- 33 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
890 Garfield Ave, Suite 209
Libertyville, IL 60048
(847) 367-3843
fax (847) 367-3063
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- December 26, 2008
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #036-092429
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740273507. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
291
Distinct HCPCS
7
Medicare allowed
$29,390
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 60 | 60 | $133 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 58 | 43 | $133 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 52 | 36 | $94 | |
36415 |
Insertion of needle into vein for collection of blood sample | 42 | 32 | $8 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 34 | 27 | $186 | |
G0008 |
Administration of influenza virus vaccine | 25 | 25 | $28 | |
90662 |
Influenza vaccine split virus, preservative free | 20 | 20 | $72 |
In context: peer comparison
Among 7 peers in this city , average services per provider: 131. This provider delivers 2.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
917
Patients
236
Total drug cost
$74,561
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 130 | 38 | $1,757 |
| Levothyroxine Sodium | Generic | 129 | 34 | $2,209 |
| Rosuvastatin Calcium | Generic | 92 | 29 | $1,964 |
| Losartan Potassium | Generic | 75 | 21 | $1,657 |
| Metoprolol Succinate | Generic | 72 | 21 | $1,596 |
| Pravastatin Sodium | Generic | 64 | 17 | $1,581 |
| Sertraline Hcl | Generic | 46 | 0 | $344 |
| Amlodipine Besylate | Generic | 45 | 14 | $573 |
| Omeprazole | Generic | 44 | 15 | $710 |
| Allopurinol | Generic | 42 | 13 | $604 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Chyna's medical specialty?
Dr. Mark Chyna practices Internal Medicine Physician in Libertyville, IL.
Where does Dr. Mark Chyna practice?
Dr. Mark Chyna practices at 890 Garfield Ave, Libertyville, IL 60048. Office phone: 8473673843.
What is Dr. Mark Chyna's NPI?
Dr. Mark Chyna's National Provider Identifier (NPI) is 1740273507, issued by NPPES.
Does Dr. Mark Chyna accept Medicare assignment?
Yes. Dr. Mark Chyna accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Chyna commonly perform?
Top Medicare-reported procedures in 2023: Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.