Doctor profile · Federal record
Dr. Gwang-Yi Hwang, M.D.
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Lakewood, CO
- NPI 1558505586
- Accepts Medicare
- 17 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
255 Union Blvd, Suite 200
Lakewood, CO 802281810
(303) 763-5111
fax (303) 763-9520
Credentials & registration
- NPI registered
- April 2009 — 17 yrs on file
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- Colorado #47480
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558505586. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
133
Distinct HCPCS
5
Medicare allowed
$14,741
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 66 | 56 | $129 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 31 | 25 | $91 | |
81002 |
Urinalysis, manual test | 13 | 12 | $3 | |
76830 |
Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina | 12 | 12 | $125 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 11 | 11 | $167 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 27. This provider delivers 4.9× the peer median.Open Payments
Industry payments received
All-time total
$342
Transactions
15
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Astellas Pharma US Inc | 3 | $80.88 | |
| CooperSurgical, Inc. | 2 | $57.66 | |
| Exeltis, USA Inc. | 2 | $41.26 | |
| ABBVIE INC. | 2 | $36.80 | |
| Becton, Dickinson and Company | 1 | $29.03 | |
| C. R. Bard, Inc. & Subsidiaries | 1 | $22.31 | |
| Bayer Healthcare Pharmaceuticals Inc. | 1 | $19.81 | |
| Sage Therapeutics, Inc. | 1 | $19.70 | |
| Hologic Sales and Service, LLC | 1 | $17.44 | |
| Organon Llc | 1 | $17.29 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
111
Patients
25
Total drug cost
$8,223
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 53 | 25 | $4,051 |
| Estradiol (Twice Weekly) (Estradiol) | Brand | 27 | 0 | $2,448 |
| Progesterone (Progesterone, Micronized) | Brand | 18 | 0 | $1,429 |
| Norethindrone Acetate | Generic | 13 | 0 | $295 |
Frequently asked questions
What is Dr. Gwang-Yi Hwang's medical specialty?
Dr. Gwang-Yi Hwang practices Obstetrics & Gynecology Physician in Lakewood, CO.
Where does Dr. Gwang-Yi Hwang practice?
Dr. Gwang-Yi Hwang practices at 255 Union Blvd, Lakewood, CO 802281810. Office phone: 3037635111.
What is Dr. Gwang-Yi Hwang's NPI?
Dr. Gwang-Yi Hwang's National Provider Identifier (NPI) is 1558505586, issued by NPPES.
Does Dr. Gwang-Yi Hwang accept Medicare assignment?
Yes. Dr. Gwang-Yi Hwang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gwang-Yi Hwang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Urinalysis, manual test (HCPCS 81002). Source: CMS Medicare Physician & Other Practitioners file.