Anne Chandsawang, D.O.
Family Medicine Physician · Irvine, CA
Anne Chandsawang, D.O. is a family medicine physician with a practice address in Irvine, California, and NPI 1679756118, issued on Dec 6, 2007. Check the license (California 20A9754, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Anne Chandsawang
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A9754 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6 Willard, Irvine, CA 92604
- Phone
- (949) 262-5600
- Enumerated
- Dec 6, 2007
- Record last updated
- Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 6 Willard
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Anne Chandsawang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A9754Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average family medicine physician in 2024
1,922 Medicare Part D claims for 290 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 84 claims were for opioids.
Most prescribed
- Atorvastatin Calcium166 claims
- Amlodipine Besylate117 claims
- Lisinopril105 claims
- Rosuvastatin Calcium86 claims
- Hydrochlorothiazide59 claims
- Levothyroxine Sodium57 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.
Anne Chandsawang among 17,133 family medicine physician records in California
Anne Chandsawang, D.O. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
148 family medicine physician records list a practice address in Irvine
They are 148 of the 7,778 NPPES records with a practice address in Irvine, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Irvine → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jon Biorkman, MDIrvine, CA 926041023008679
- David Bunten, D.O.Irvine, CA 926041679527857
- Jun Ho Chae, M.D.Irvine, CA 926041003811969
- James Fenlon, M.DIrvine, CA 926041851347256
- Howard Fishbein, M.D.Irvine, CA 926041689629487
- Richard Kim, DOIrvine, CA 926041710978770
- Steven Long, MDIrvine, CA 926041760446470
- Mary McCarthy, MDIrvine, CA 926041508820267
Common questions
What is Anne Chandsawang, D.O.'s NPI number?
Anne Chandsawang, D.O.'s National Provider Identifier (NPI) is 1679756118, issued on Dec 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Anne Chandsawang, D.O. located?
The NPPES record lists a practice address at 6 Willard, Irvine, CA, 92604. Phone: (949) 262-5600. Providers update this record themselves, so call before visiting.
How can I verify Anne Chandsawang, D.O.'s license?
NPPES lists California license number 20A9754, 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 Anne Chandsawang, D.O. prescribe under Medicare Part D?
In 2024, Anne Chandsawang, D.O. had 1,922 Medicare Part D claims for 290 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.