Doctor profile · Federal record
Dr. Julia Sun, M.D.
Rheumatology Physician (CMS: Rheumatology) · Internal Medicine Physician · Lake Forest, IL
- NPI 1235589912
- Accepts Medicare
- MIPS 91.3 / 100 · 2023
- 10 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
800 N Westmoreland RD Ste 201
Lake Forest, IL 600451687
(847) 388-0603
fax (312) 694-1155 - Additional location
-
5841 S Maryland Ave, M/C 7082
Chicago, IL 606371447
(773) 795-0232
fax (773) 702-2230
Credentials & registration
- NPI registered
- June 2016 — 10 yrs on file
- Profile last updated
- September 27, 2021
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State licenses (2)
- Illinois #036148507 · Illinois #125.068435
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1235589912. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
32,396
Distinct HCPCS
10
Medicare allowed
$694,409
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J1439 |
Injection, ferric carboxymaltose, 1 mg | 13,500 | 12 | $1 | |
J0897 |
Injection, denosumab, 1 mg | 5,220 | 71 | $23 | |
J0129 |
Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | 4,675 | 18 | $42 | |
J2357 |
Injection, omalizumab, 5 mg | 4,635 | 11 | $38 | |
J1745 |
Injection, infliximab, excludes biosimilar, 10 mg | 2,780 | 14 | $33 | |
96372 |
Injection of drug or substance under skin or into muscle | 302 | 119 | $15 | |
96365 |
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | 185 | 79 | $69 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 150 | 97 | $134 | |
96366 |
Infusion into a vein for therapy, prevention, or diagnosis, each additional hour | 148 | 13 | $22 | |
36415 |
Insertion of needle into vein for collection of blood sample | 146 | 74 | $8 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 3,908. This provider delivers 8.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
516
Patients
131
Total drug cost
$87,598
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 129 | 55 | $1,439 |
| Hydroxychloroquine Sulfate | Generic | 97 | 31 | $4,167 |
| Methotrexate (Methotrexate Sodium) | Brand | 82 | 31 | $5,045 |
| Tramadol Hcl | Generic | 45 | 0 | $267 |
| Allopurinol | Generic | 41 | 14 | $616 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 28 | 0 | $436 |
| Celecoxib | Generic | 16 | 0 | $758 |
| Gabapentin | Generic | 15 | 0 | $270 |
| Pilocarpine Hcl | Generic | 14 | 0 | $1,938 |
| Acetaminophen-Codeine (Acetaminophen With Codeine) | Brand | 13 | 0 | $130 |
Hospital affiliations
Frequently asked questions
What is Dr. Julia Sun's medical specialty?
Dr. Julia Sun practices Rheumatology Physician in Lake Forest, IL.
Where does Dr. Julia Sun practice?
Dr. Julia Sun practices at 800 N Westmoreland RD Ste 201, Lake Forest, IL 600451687. Office phone: 8473880603.
What is Dr. Julia Sun's NPI?
Dr. Julia Sun's National Provider Identifier (NPI) is 1235589912, issued by NPPES.
Does Dr. Julia Sun accept Medicare assignment?
Yes. Dr. Julia Sun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Julia Sun commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, denosumab, 1 mg (HCPCS J0897); Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (HCPCS J0129). Source: CMS Medicare Physician & Other Practitioners file.