Gladys G. Dychiao, MD
Internal Medicine Physician · San Francisco, CA
Gladys G. Dychiao, MD is an internal medicine physician with a practice address in San Francisco, California, and NPI 1407943392, issued on Oct 10, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gladys G. Dychiao
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 043040 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1600 Owens St, San Francisco, CA 94158
- Phone
- (415) 914-3046
- Enumerated
- Oct 10, 2006
- Record last updated
- Mar 14, 2025
- Medicaid ID
- 001430404 CT
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1600 Owens St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vincent CastoroPhysical Therapist1023630530
- Vivian ChoiRegistered Nurse1013738947
- Matthew Cruz, DPTPhysical Therapist1033758768
- Charlotte DegraevePharmacist1841723137
- David Ding, MDStudent in an Organized Health Care Education/Training Program1376869180
- Jeanine Donohue, PTPhysical Therapist1114597564
Verify Gladys G. Dychiao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 62% of the cost of the top drugs
940 Medicare Part D claims for 362 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Azithromycin221 claims
- Typhim Vi98 claims
- Atovaquone-Proguanil Hcl82 claims
- Adacel Tdap69 claims
- Havrix50 claims
- Rosuvastatin Calcium39 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.
Gladys G. Dychiao among 17,696 internal medicine physician records in California
Gladys G. Dychiao, MD is one of 17,696 internal medicine 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,318 internal medicine physician records list a practice address in San Francisco
They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Francisco → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Riley Bove, M.D.San Francisco, CA 941581053516625
- Carmen Cobb-WalchSan Francisco, CA 941581447526454
- Arjun Desai, M.D.San Francisco, CA 941581649599952
- Margie Lim, MDSan Francisco, CA 941581093728909
- James Lin, MDSan Francisco, CA 941581578806295
- Mai Sedki, M.D.San Francisco, CA 941581760844286
- Orlando Zepeda, MDSan Francisco, CA 941581821416355
- Firoozeh Parsa Nezhad, MDSan Francisco, CA 941611104969229
Common questions
What is Gladys G. Dychiao, MD's NPI number?
Gladys G. Dychiao, MD's National Provider Identifier (NPI) is 1407943392, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gladys G. Dychiao, MD located?
The NPPES record lists a practice address at 1600 Owens St, San Francisco, CA, 94158. Phone: (415) 914-3046. Providers update this record themselves, so call before visiting.
How can I verify Gladys G. Dychiao, MD's license?
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 Gladys G. Dychiao, MD prescribe under Medicare Part D?
In 2024, Gladys G. Dychiao, MD had 940 Medicare Part D claims for 362 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.