Gwang-Yi Hwang, M.D.
Obstetrics & Gynecology Physician · Lakewood, CO
Gwang-Yi Hwang, M.D. is an obstetrics & gynecology physician with a practice address in Lakewood, Colorado, and NPI 1558505586, issued on Apr 21, 2009. Check the license (Colorado 47480, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gwang-Yi Hwang
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 47480 CO
Self-reported in NPPES; status is on the state search - Practice location
- 255 Union Blvd, Lakewood, CO 80228
- Phone
- (303) 763-5111
- Enumerated
- Apr 21, 2009
- Record last updated
- Apr 21, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (303) 763-9520
- Medicare enrollment
- Enrolled (PECOS I20090921000354); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 906 in Colorado → Look up another NPI →
Also registered at 255 Union Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Chris Cumsille, BOCPDOrthotist1902204357
- Jennifer Grube, M.D.Obstetrics & Gynecology Physician1356440846
- Randall Hall, DDSGeneral Practice Dentistry1083612055
Verify Gwang-Yi Hwang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 47480Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
185 Medicare Part D claims for 65 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Estradiol57 claims
- Progesterone35 claims
- Estradiol (Twice Weekly)27 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $342.18
15 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- OB-Gyn AffiliatesLakewood, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gwang-Yi Hwang among 906 obstetrics & gynecology physician records in Colorado
Gwang-Yi Hwang, M.D. is one of 906 obstetrics & gynecology physician records with a practice address in Colorado. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 65% of them.
- NPI issued2009 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2009 · median 2008 among the 504 with a school on file
- Record last updated2009 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Colorado
There are 906 obstetrics & gynecology physician records in Colorado.
All 906 in Colorado → Every provider in Lakewood → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Matthew Davoudzadeh, MDLakewood, CO 802281477181436
- Jennifer Grube, M.D.Lakewood, CO 802281356440846
- Michael Johnson, M.D.Lakewood, CO 802281821197476
- Douglas Kirkpatrick, M.D.Lakewood, CO 802281871635227
- Kelle Oberle, MDLakewood, CO 802281790831311
- Doreen Pearce, MDLakewood, CO 802281194386607
- Shivani Vasudeva, DOLakewood, CO 802281760011506
- Gail Womack, M.D.Lakewood, CO 802281982703534
Common questions
What is Gwang-Yi Hwang, M.D.'s NPI number?
Gwang-Yi Hwang, M.D.'s National Provider Identifier (NPI) is 1558505586, issued on Apr 21, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Gwang-Yi Hwang, M.D. located?
The NPPES record lists a practice address at 255 Union Blvd, Lakewood, CO, 80228. Phone: (303) 763-5111. Providers update this record themselves, so call before visiting.
How can I verify Gwang-Yi Hwang, M.D.'s license?
NPPES lists Colorado license number 47480, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gwang-Yi Hwang, M.D. prescribe under Medicare Part D?
In 2024, Gwang-Yi Hwang, M.D. had 185 Medicare Part D claims for 65 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.