Jennifer Tsai, MD
Family Medicine Physician · Emeryville, CA
Jennifer Tsai, MD is a family medicine physician with a practice address in Emeryville, California, and NPI 1093271702, issued on Feb 18, 2019. Check the license (California A182945, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jennifer Tsai
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A182945 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5915 Hollis St Ste B, Emeryville, CA 94608
- Phone
- (510) 525-2400
- Enumerated
- Feb 18, 2019
- Record last updated
- Apr 17, 2024
- Medicare enrollment
- Enrolled (PECOS I20230809003660); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 2020
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 5915 Hollis St Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Janet Ewing, MDInternal Medicine Physician1316987027
- Antonio Garcia, MDFamily Medicine Physician1215632021
- Amal Hassan, MDFamily Medicine Physician1083177042
- Carolyn Le, MDFamily Medicine Physician1699198564
Verify Jennifer Tsai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A182945Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average family medicine physician in 2024
857 Medicare Part D claims for 285 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 35 claims were for opioids.
Most prescribed
- Amlodipine Besylate28 claims
- Atorvastatin Calcium28 claims
- Losartan Potassium24 claims
- Lorazepam22 claims
- Gabapentin20 claims
- Hydrocodone-Acetaminophen20 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: $26.26
1 payment: food and beverage; the largest payer was Phathom 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
- University Healthcare AllianceEmeryville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennifer Tsai among 17,133 family medicine physician records in California
Jennifer Tsai, MD 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 2019, is newer than 85% of them.
- NPI issued2019 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2020 · 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).
10 family medicine physician records list a practice address in Emeryville
They are 10 of the 703 NPPES records with a practice address in Emeryville, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Emeryville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Milad Bahrani, DOEmeryville, CA 946081679034375
- Tara Farah, MDEmeryville, CA 946081851829642
- Antonio Garcia, MDEmeryville, CA 946081215632021
- Amal Hassan, MDEmeryville, CA 946081083177042
- Carolyn Le, MDEmeryville, CA 946081699198564
- Ben Littlejohn, M. D.Emeryville, CA 946081467469924
- Louise Nurre, DOEmeryville, CA 946081316984974
- Manisha Rai, MDEmeryville, CA 946081962909689
Common questions
What is Jennifer Tsai, MD's NPI number?
Jennifer Tsai, MD's National Provider Identifier (NPI) is 1093271702, issued on Feb 18, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Tsai, MD located?
The NPPES record lists a practice address at 5915 Hollis St Ste B, Emeryville, CA, 94608. Phone: (510) 525-2400. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Tsai, MD's license?
NPPES lists California license number A182945, 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 Jennifer Tsai, MD prescribe under Medicare Part D?
In 2024, Jennifer Tsai, MD had 857 Medicare Part D claims for 285 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.