Juan Sequeira, M.D.
Internal Medicine Physician · Pittsburg, CA
Juan Sequeira, M.D. is an internal medicine physician with a practice address in Pittsburg, California, and NPI 1558389635, issued on Jul 17, 2006. Check the license (California G40166, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Juan Sequeira
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G40166 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2260 Gladstone Dr, Pittsburg, CA 94565
- Phone
- (925) 753-1986
- Enumerated
- Jul 17, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100520000758); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1978
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2260 Gladstone Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Juan Sequeira in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G40166Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,335 Medicare Part D claims for 179 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 190 claims were for opioids.
Most prescribed
- Atorvastatin Calcium208 claims
- Hydrocodone-Acetaminophen169 claims
- Lisinopril128 claims
- Metformin Hcl116 claims
- Amlodipine Besylate109 claims
- Levothyroxine Sodium105 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.
Juan Sequeira among 17,696 internal medicine physician records in California
Juan Sequeira, M.D. 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 fileYes · 63% of these records are
- Graduated1978 · median 2004 among the 11,065 with a school on file
- Record last updated2007 · 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).
11 internal medicine physician records list a practice address in Pittsburg
They are 11 of the 593 NPPES records with a practice address in Pittsburg, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Pittsburg → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Pacita Aducayen, M.D.Pittsburg, CA 945651851307219
- Galicano Andal, M.D.Pittsburg, CA 945651437263571
- Kate Christensen, MDPittsburg, CA 945651356427884
- John Gallo, DOPittsburg, CA 945651558446229
- Sara Jaka, MDPittsburg, CA 945651760989222
- Dong Hoon Lee, M.D.Pittsburg, CA 945651174854038
- Shalini Madugundi, M.DPittsburg, CA 945651154635506
- Michael Russell, M.D.Pittsburg, CA 945651578615316
Common questions
What is Juan Sequeira, M.D.'s NPI number?
Juan Sequeira, M.D.'s National Provider Identifier (NPI) is 1558389635, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Juan Sequeira, M.D. located?
The NPPES record lists a practice address at 2260 Gladstone Dr, Pittsburg, CA, 94565. Phone: (925) 753-1986. Providers update this record themselves, so call before visiting.
How can I verify Juan Sequeira, M.D.'s license?
NPPES lists California license number G40166, 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 Juan Sequeira, M.D. prescribe under Medicare Part D?
In 2024, Juan Sequeira, M.D. had 2,335 Medicare Part D claims for 179 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.