Doctor profile · Federal record
Dr. Sang Chyung, M.D.
Allergy & Immunology Physician · Michigan City, IN
- NPI 1659341311
- 20 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1225 E Coolspring Ave
Michigan City, IN 463606312
(219) 878-5038
fax (219) 874-1451
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- May 4, 2009
- Specialty taxonomy
- 207K00000X — NUCC code
- State license (1)
- Indiana #01039108A
- Medicaid
- IN #100147970
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659341311. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
8,314
Distinct HCPCS
7
Medicare allowed
$146,232
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
95165 |
Professional service for preparation and provision of 1 or more antigens | 6,623 | 23 | $14 | |
95004 |
Test for allergy using allergenic extract | 788 | 12 | $4 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 327 | 47 | $119 | |
95117 |
Professional service for multiple injections of allergen | 320 | 23 | $10 | |
94375 |
Test to measure rate of airflow | 131 | 27 | $35 | |
94644 |
Inhalation treatment for acute airway obstruction, first hour | 73 | 20 | $54 | |
94060 |
Test to measure expiratory airflow and volume changes before and after medication administration | 52 | 14 | $35 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 1,187. This provider delivers 7.0× the peer median.Open Payments
Industry payments received
All-time total
$54
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| PFIZER INC. | 2 | $30.54 | |
| AstraZeneca Pharmaceuticals LP | 1 | $23.32 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
255
Patients
67
Total drug cost
$13,265
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Montelukast Sodium | Generic | 97 | 34 | $1,816 |
| Azithromycin | Generic | 31 | 20 | $185 |
| Prednisone | Generic | 28 | 13 | $63 |
| Azelastine Hcl | Generic | 21 | 0 | $1,431 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 19 | 0 | $207 |
| Fluticasone Propionate | Generic | 17 | 0 | $463 |
| Arnuity Ellipta (Fluticasone Furoate) | Brand | 16 | 0 | $5,627 |
| Doxycycline Hyclate | Generic | 15 | 0 | $327 |
| Pulmicort Flexhaler (Budesonide) | Brand | 11 | 0 | $3,147 |
Frequently asked questions
What is Dr. Sang Chyung's medical specialty?
Dr. Sang Chyung practices Allergy & Immunology Physician in Michigan City, IN.
Where does Dr. Sang Chyung practice?
Dr. Sang Chyung practices at 1225 E Coolspring Ave, Michigan City, IN 463606312. Office phone: 2198785038.
What is Dr. Sang Chyung's NPI?
Dr. Sang Chyung's National Provider Identifier (NPI) is 1659341311, issued by NPPES.
What procedures does Dr. Sang Chyung commonly perform?
Top Medicare-reported procedures in 2023: Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Test for allergy using allergenic extract (HCPCS 95004); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.