NPPES file of Aug 9, 2026

Christine Giac Tien Nguyen Dawson, MD

Obstetrics & Gynecology Physician · Orange, CA

Christine Giac Tien Nguyen Dawson, MD is an obstetrics & gynecology physician with a practice address in Orange, California, and NPI 1407458029, issued on Nov 9, 2020. Check the license (California A208381, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1407458029
Name
Christine Giac Tien Nguyen Dawson
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
A208381 CA
PG210640 OR
Self-reported in NPPES; status is on the state search
Practice location
101 The City Dr S, Orange, CA 92868
Phone
(800) 465-3203
Enumerated
Nov 9, 2020
Record last updated
Jul 1, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 101 The City Dr S

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Danny Abad, PAPhysician Assistant1477158673
  2. Edward AbaradoStudent in an Organized Health Care Education/Training Program1912855198
  3. Nagina Abdiani, DOGeriatric Medicine (Family Medicine) Physician1518543271
  4. Mariam Abdul-Latif, M.D.Pediatrics Physician1538418884
  5. Eric AbelloOtolaryngology Physician1922566215
  6. Brandon Abeyta, MDAnesthesiology Physician1841291804

Verify Christine Giac Tien Nguyen Dawson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A208381
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

85% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

24 Medicare Part D claims for 13 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Christine Nguyen Dawson24
  2. Specialty average165

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: $325.00

1 payment: education; the largest payer was Medical Device Business Services, 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.

  1. Christine Nguyen Dawson$325.00
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Christine Giac Tien Nguyen Dawson among 5,088 obstetrics & gynecology physician records in California

Christine Giac Tien Nguyen Dawson, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 94% of them.

  • NPI issued2020 · 94% of these records are older, 4% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2026 · 64% 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 California 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 California

There are 5,088 obstetrics & gynecology physician records in California.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Allan Akerman, M.D.Orange, CA 928681396714184
  2. Donna Baick, M.D.Orange, CA 928681700898988
  3. Martin Feldman, M.D.Orange, CA 928681043289317
  4. Randy Fiorentino, M.D.Orange, CA 928681558440131
  5. Teresa Garcia, M.D.Orange, CA 928681841219243
  6. Peter Geddes, M.D.Orange, CA 928681730254988
  7. Marilee Hanson, MDOrange, CA 928681730185661
  8. Tabetha Harken, MD, MPHOrange, CA 928681821100983

Common questions

What is Christine Giac Tien Nguyen Dawson, MD's NPI number?

Christine Giac Tien Nguyen Dawson, MD's National Provider Identifier (NPI) is 1407458029, issued on Nov 9, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Christine Giac Tien Nguyen Dawson, MD located?

The NPPES record lists a practice address at 101 The City Dr S, Orange, CA, 92868. Phone: (800) 465-3203. Providers update this record themselves, so call before visiting.

How can I verify Christine Giac Tien Nguyen Dawson, MD's license?

NPPES lists California license number A208381, 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 Christine Giac Tien Nguyen Dawson, MD prescribe under Medicare Part D?

In 2024, Christine Giac Tien Nguyen Dawson, MD had 24 Medicare Part D claims for 13 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.