Teresa J. Chang, M.D.
Family Medicine Physician · Santa Ynez, CA
Teresa J. Chang, M.D. is a family medicine physician with a practice address in Santa Ynez, California, and NPI 1073572426, issued on Mar 22, 2006. Check the license (California C167310, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Teresa J. Chang
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- C167310 CA
221112 NY
Self-reported in NPPES; status is on the state search - Practice location
- 90 Via Juana RD, Santa Ynez, CA 93460
- Phone
- (805) 688-7070
- Enumerated
- Mar 22, 2006
- Record last updated
- Dec 19, 2024
- Fax
- (805) 686-2060
- Medicaid ID
- 2338530 NY
- Medicare enrollment
- Enrolled (PECOS I20191231000475); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 1999
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 90 Via Juana RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Samantha BrooksFamily Nurse Practitioner1770429300
- Paul Dankemeyer, DDSGeneral Practice Dentistry1932252830
- Deborah Eckles, RNRegistered Nurse1306952239
- Eric George, DMDGeneral Practice Dentistry1215419098
- Quiana Lewis, RNRegistered Nurse1053364398
- Nancy Newton, RDHDental Hygienist1063056810
Verify Teresa J. Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C167310Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average family medicine physician in 2024
2,308 Medicare Part D claims for 141 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 49 claims were for opioids.
Most prescribed
- Lisinopril98 claims
- Atorvastatin Calcium94 claims
- Levothyroxine Sodium80 claims
- Losartan Potassium73 claims
- Amlodipine Besylate68 claims
- Ozempic65 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: $29.73
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 55,478 providers of this specialty with any payment received $902.55 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
- Santa Ynez Band OF Mission IndiansSanta Ynez, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Teresa J. Chang among 17,133 family medicine physician records in California
Teresa J. Chang, M.D. 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1999 · median 2005 among the 10,652 with a school on file
- Record last updated2024 · 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).
1 family medicine physician record lists a practice address in Santa Ynez
They are 1 of the 33 NPPES records with a practice address in Santa Ynez, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Santa Ynez → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Verschoyle Cronyn, MDSanta Maria, CA 934581609337831
- Diana Garcia, MDSanta Maria, CA 934581679791578
- Ericka Gunn-Hill, M.D.Santa Maria, CA 934581235244401
- Jacquelyn Hyde, M.D.Santa Maria, CA 934581659803286
- Samara Kazak, MDSanta Maria, CA 934581487230413
- Carlos Maza, MDSanta Maria, CA 934581386793230
- Francisco Mendoza, M.D.Santa Maria, CA 934581093782278
- John Newlander, M.D.Santa Maria, CA 934581609805845
Common questions
What is Teresa J. Chang, M.D.'s NPI number?
Teresa J. Chang, M.D.'s National Provider Identifier (NPI) is 1073572426, issued on Mar 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Teresa J. Chang, M.D. located?
The NPPES record lists a practice address at 90 Via Juana RD, Santa Ynez, CA, 93460. Phone: (805) 688-7070. Providers update this record themselves, so call before visiting.
How can I verify Teresa J. Chang, M.D.'s license?
NPPES lists California license number C167310, 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 Teresa J. Chang, M.D. prescribe under Medicare Part D?
In 2024, Teresa J. Chang, M.D. had 2,308 Medicare Part D claims for 141 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.