Doctor profile · Federal record
Dr. Eileen Chang, DO
Hospitalist Physician · Grand Blanc, MI
- NPI 1790218360
- 9 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
12745 S Saginaw St # 806-196
Grand Blanc, MI 484392437
(248) 691-8646
Credentials & registration
- NPI registered
- April 2017 — 9 yrs on file
- Profile last updated
- February 24, 2021
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- Michigan #5101025844
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1790218360. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
897
Distinct HCPCS
7
Medicare allowed
$102,900
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 340 | 140 | $121 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 220 | 87 | $80 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 143 | 137 | $177 | |
99239 |
Hospital discharge day management, more than 30 minutes | 123 | 120 | $117 | |
G0316 |
Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th | 30 | 25 | $31 | |
99497 |
Advance care planning, first 30 minutes | 28 | 27 | $76 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 13 | 13 | $125 |
In context: peer comparison
Among 2 peers in Grand Blanc Hospitalist Physician, average services per provider: 144. This provider delivers 6.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
82
Patients
80
Total drug cost
$8,585
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 23 | 23 | $67 |
| Omeprazole | Generic | 19 | 19 | $143 |
| Eliquis (Apixaban) | Brand | 14 | 13 | $8,147 |
| Atorvastatin Calcium | Generic | 13 | 13 | $107 |
| Metoprolol Tartrate | Generic | 13 | 12 | $122 |
Frequently asked questions
What is Dr. Eileen Chang's medical specialty?
Dr. Eileen Chang practices Hospitalist Physician in Grand Blanc, MI.
Where does Dr. Eileen Chang practice?
Dr. Eileen Chang practices at 12745 S Saginaw St # 806-196, Grand Blanc, MI 484392437. Office phone: 2486918646.
What is Dr. Eileen Chang's NPI?
Dr. Eileen Chang's National Provider Identifier (NPI) is 1790218360, issued by NPPES.
What procedures does Dr. Eileen Chang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.