Nina Xiao Hwang, MD
Pediatrics Physician · Orange, CA
Nina Xiao Hwang, MD is a pediatrics physician with a practice address in Orange, California, and NPI 1427286343, issued on Jun 30, 2009. Check the license (California A107879, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nina Xiao Hwang
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- A107879 CA
Self-reported in NPPES; status is on the state search - Practice location
- 701 South Parker Street, Orange, CA 92868
- Phone
- (714) 221-1200
- Enumerated
- Jun 30, 2009
- Record last updated
- Aug 2, 2024
- Fax
- (714) 221-1299
- Medicaid ID
- 1427286343 CA
- Medicare enrollment
- Enrolled (PECOS I20140108000597); accepts Medicare assignment
- Medical or professional school
- Chicago College Of Medicine And Surgery, 2007
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Also registered at 701 South Parker Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nina Xiao Hwang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A107879Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average pediatrics physician in 2024
22 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D. Brand-name drugs were 68% of claims.
Most prescribed
- Xarelto14 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: $21,385.28
51 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 21,580 providers of this specialty with any payment received $842.05 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
- Center For Comprehensive Care And Diagnosis OF Inherited Blood DisordeOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nina Xiao Hwang among 9,272 pediatrics physician records in California
Nina Xiao Hwang, MD is one of 9,272 pediatrics physician records with a practice address in California. 31% 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 61% of them.
- NPI issued2009 · 61% of these records are older, 37% newer
- In a Medicare fileYes · 31% of these records are
- In the CMS Doctors and Clinicians fileYes · 8% of these records are
- Graduated2007 · median 2012 among the 754 with a school on file
- Record last updated2024 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
229 pediatrics physician records list a practice address in Orange
They are 229 of the 13,245 NPPES records with a practice address in Orange, and 9,272 pediatrics physician records in California.
All 9,272 in California → Every provider in Orange → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Angela Allevato, M.D.Orange, CA 928681588609382
- Katherine Andreeff, M.D.Orange, CA 928681295827939
- Jeffrey Armstrong, M.D.Orange, CA 928681376641548
- Donald Bendig, M.D.Orange, CA 928681952409138
- Richard Chang, M.D.Orange, CA 928681043317910
- Sophia Jones, M.D. PH.D.Orange, CA 928681184637308
- James Korb, MDOrange, CA 928681194735076
- Sheldon Nankin, MDOrange, CA 928681235124322
Common questions
What is Nina Xiao Hwang, MD's NPI number?
Nina Xiao Hwang, MD's National Provider Identifier (NPI) is 1427286343, issued on Jun 30, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Nina Xiao Hwang, MD located?
The NPPES record lists a practice address at 701 South Parker Street, Orange, CA, 92868. Phone: (714) 221-1200. Providers update this record themselves, so call before visiting.
How can I verify Nina Xiao Hwang, MD's license?
NPPES lists California license number A107879, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nina Xiao Hwang, MD prescribe under Medicare Part D?
In 2024, Nina Xiao Hwang, MD had 22 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.