Christine Yi-Shin Chiou Smith, M.D.
Ophthalmology Physician · Vallejo, CA
Christine Yi-Shin Chiou Smith, M.D. is an ophthalmology physician with a practice address in Vallejo, California, and NPI 1225209034, issued on Mar 19, 2008. Check the license (California A102923, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christine Yi-Shin Chiou Smith
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A102923 CA
Self-reported in NPPES; status is on the state search - Practice location
- 975 Sereno Dr, Vallejo, CA 94589
- Phone
- (707) 651-5798
- Enumerated
- Mar 19, 2008
- Record last updated
- Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (707) 651-2980
- Medicare enrollment
- Enrolled (PECOS I20110125000880); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 975 Sereno Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joel Aandahl, NPAdult Health Nurse Practitioner1891423653
- Noman Absar, MDCritical Care Medicine (Internal Medicine) Physician1205908951
- Anthony Acquaviva, MDUrology Physician1457439283
- Jhonnard James Acuna, CRNACertified Registered Nurse Anesthetist1205997327
- Omid AfshariPharmacist1184165391
- Eesha AftabStudent in an Organized Health Care Education/Training Program1770421687
Verify Christine Yi-Shin Chiou Smith in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A102923Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,394 Medicare Part D claims for 373 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Latanoprost568 claims
- Dorzolamide-Timolol295 claims
- Timolol Maleate131 claims
- Brimonidine Tartrate130 claims
- Prednisolone Acetate67 claims
- Dorzolamide Hcl31 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.
Bills Medicare through one group practice
- Permanente Medical Group IncVallejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christine Yi-Shin Chiou Smith among 2,899 ophthalmology physician records in California
Christine Yi-Shin Chiou Smith, M.D. is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 67% of them.
- NPI issued2008 · 67% of these records are older, 28% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2006 · median 2001 among the 1,907 with a school on file
- Record last updated2021 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Vallejo → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Brian Bubnic, MDVallejo, CA 945891275611170
- Alexander Dillon, M.D.Vallejo, CA 945891699120212
- David Gu, MDVallejo, CA 945891730634908
- Kristen Hartley, MDVallejo, CA 945891710914775
- David Robins, MDVallejo, CA 945891700965498
- Myra Beth Safo, MD, MPH, MSVallejo, CA 945891023507332
- David Simundson, MDVallejo, CA 945891548348444
- Hassan Tausif, MDVallejo, CA 945891346690682
Common questions
What is Christine Yi-Shin Chiou Smith, M.D.'s NPI number?
Christine Yi-Shin Chiou Smith, M.D.'s National Provider Identifier (NPI) is 1225209034, issued on Mar 19, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Christine Yi-Shin Chiou Smith, M.D. located?
The NPPES record lists a practice address at 975 Sereno Dr, Vallejo, CA, 94589. Phone: (707) 651-5798. Providers update this record themselves, so call before visiting.
How can I verify Christine Yi-Shin Chiou Smith, M.D.'s license?
NPPES lists California license number A102923, 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 Yi-Shin Chiou Smith, M.D. prescribe under Medicare Part D?
In 2024, Christine Yi-Shin Chiou Smith, M.D. had 1,394 Medicare Part D claims for 373 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.