Traci L. Tupper, MD
Endocrinology, Diabetes & Metabolism Physician · Dublin, CA
Traci L. Tupper, MD is an endocrinology, diabetes & metabolism physician with a practice address in Dublin, California, and NPI 1679797849, issued on Apr 12, 2007. Check the license (California C154752, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Traci L. Tupper
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- C154752 CA
MD431136 PA
Self-reported in NPPES; status is on the state search - Practice location
- 4050 Dublin Blvd FL 3, Dublin, CA 94568
- Phone
- (925) 875-6100
- Enumerated
- Apr 12, 2007
- Record last updated
- Oct 11, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180924002577); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Verify Traci L. Tupper in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C154752Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
910 Medicare Part D claims for 121 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Levothyroxine Sodium102 claims
- Ozempic72 claims
- Metformin Hcl Er64 claims
- Synthroid63 claims
- Jardiance62 claims
- Alendronate 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.
Bills Medicare through one group practice
- Sutter Bay Medical FoundationDublin, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Traci L. Tupper among 1,131 endocrinology, diabetes & metabolism physician records in California
Traci L. Tupper, MD is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% 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 46% of them.
- NPI issued2007 · 46% of these records are older, 42% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2002 · median 2003 among the 779 with a school on file
- Record last updated2018 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in Dublin → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Deval Bhatt, M.D.Dublin, CA 945681326385659
- Sai Bhuvanagiri, M.D.Dublin, CA 945681134652266
- Aruna Chakravorty, M.D., PHDDublin, CA 945681871558288
- Hoda Ghanem, M.D.Dublin, CA 945681114131166
- Pragnesh Patel, MDPittsburg, CA 945651053488866
- Michael Oconnor, MDPinole, CA 945641386753317
- Randall Ammon, M.D.Orinda, CA 945631306933783
- Rachelle Halpern, MDOrinda, CA 945631811073133
Common questions
What is Traci L. Tupper, MD's NPI number?
Traci L. Tupper, MD's National Provider Identifier (NPI) is 1679797849, issued on Apr 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Traci L. Tupper, MD located?
The NPPES record lists a practice address at 4050 Dublin Blvd FL 3, Dublin, CA, 94568. Phone: (925) 875-6100. Providers update this record themselves, so call before visiting.
How can I verify Traci L. Tupper, MD's license?
NPPES lists California license number C154752, 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 Traci L. Tupper, MD prescribe under Medicare Part D?
In 2024, Traci L. Tupper, MD had 910 Medicare Part D claims for 121 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.