John Jackson Howard, MD
Internal Medicine Physician · San Diego, CA
John Jackson Howard, MD is an internal medicine physician with a practice address in San Diego, California, and NPI 1063933604, issued on Jul 5, 2017. Check the license (California G30378, 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 Howard
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G30378 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4616 Patricia PL, San Diego, CA 92115
- Phone
- (202) 706-0627
- Enumerated
- Jul 5, 2017
- Record last updated
- Jul 21, 2022
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify John Jackson Howard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G30378Check 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 Howard among 17,696 internal medicine physician records in California
John Jackson Howard, MD 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 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 16% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2022 · 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).
961 internal medicine physician records list a practice address in San Diego
They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 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 San Diego → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sally Alassil, MDSan Diego, CA 921151982044483
- Can Bui, MDSan Diego, CA 921151285717397
- Regina Connell, M.D.San Diego, CA 921151639380249
- Nathan Hua, MDSan Diego, CA 921151619471232
- Alison Lewis, M.D.San Diego, CA 921151770674202
- Tue Nguyen, MDSan Diego, CA 921151548226178
- Hiep Nguyen, M.D.San Diego, CA 921151184716151
- Lakshmi Prathipati, M.D.San Diego, CA 921151245338490
Common questions
What is John Jackson Howard, MD's NPI number?
John Jackson Howard, MD's National Provider Identifier (NPI) is 1063933604, issued on Jul 5, 2017. An NPI identifies a provider in billing; it is not a license.
Where is John Jackson Howard, MD located?
The NPPES record lists a practice address at 4616 Patricia PL, San Diego, CA, 92115. Phone: (202) 706-0627. Providers update this record themselves, so call before visiting.
How can I verify John Jackson Howard, MD's license?
NPPES lists California license number G30378, 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.