John Jackson
Internal Medicine Physician · Santa Cruz, CA
John Jackson is an internal medicine physician with a practice address in Santa Cruz, California, and NPI 1780664557, issued on Jan 18, 2006. Check the license (California G45443, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Jackson
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G45443 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2025 Soquel Ave, Santa Cruz, CA 95062
- Phone
- (831) 458-5820
- Enumerated
- Jan 18, 2006
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2025 Soquel Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Jackson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G45443Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Jackson among 17,696 internal medicine physician records in California
John Jackson 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 not. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2026 · 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).
Internal Medicine Physician providers in California
There are 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,696 in California → Every provider in Santa Cruz → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Timothy W Allari, MDSanta Cruz, CA 950621013996370
- Laura Garvin, MDSanta Cruz, CA 950621235229196
- Daniel Kim, M.D.Santa Cruz, CA 950621124008313
- Sarita LoboSanta Cruz, CA 950621528144334
- Beata Mach, MDSanta Cruz, CA 950621184604712
- Lindsy Martinez, M.D.Santa Cruz, CA 950621336672336
- Sandra Mendel, M.D.Santa Cruz, CA 950621538261011
- Holly B Moore, MDSanta Cruz, CA 950621043362270
Common questions
What is John Jackson's NPI number?
John Jackson's National Provider Identifier (NPI) is 1780664557, issued on Jan 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Jackson located?
The NPPES record lists a practice address at 2025 Soquel Ave, Santa Cruz, CA, 95062. Phone: (831) 458-5820. Providers update this record themselves, so call before visiting.
How can I verify John Jackson's license?
NPPES lists California license number G45443, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.