Mason Flanagan
Student in an Organized Health Care Education/Training Program · San Diego, CA
Mason Flanagan is a student in an organized health care education/training program with a practice address in San Diego, California, and NPI 1255271821, issued on Mar 31, 2026. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mason Flanagan
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- Practice location
- 4520 Executive Dr, San Diego, CA 92121
- Phone
- (858) 657-8737
- Enumerated
- Mar 31, 2026
- Record last updated
- Mar 31, 2026
- Entity
- Type 1 · individual
Also registered at 4520 Executive Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Praveen Akuthota, M.D.Critical Care Medicine (Internal Medicine) Physician1396704698
- Mario Alberti, DDSGeneral Practice Dentistry1982705893
- John Alexander, PTPhysical Therapist1194743674
- Daniel Crouch, MDCritical Care Medicine (Internal Medicine) Physician1710182423
Verify Mason Flanagan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2,098 student in an organized health care education/training program records list a practice address in San Diego
They are 2,098 of the 52,937 NPPES records with a practice address in San Diego, and 40,652 student in an organized health care education/training program records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,098 in San Diego → All 40,652 in California → Every provider in San Diego →
Other student in an organized health care education/training program records in California
- Sanad A'BasiFresno, CA1720915770
- Alexander Aabedi, MDSan Francisco, CA1245971480
- Andre AabediPomona, CA1891582102
- Natalie Aabodi, DMDPomona, CA1851085187
- Dalal Aago, MDEl Cajon, CA1639863103
- Megan Aaronson, MD, MSCRLos Angeles, CA1386272102
- Manas AavulaPomona, CA1972496644
- Joann AbadTulare, CA1639745433
- Gioux Ian Abad Mangulabnan, THERAPISTBerkeley, CA1710442702
- Sharon AbadaSan Francisco, CA1003492844
Common questions
What is Mason Flanagan's NPI number?
Mason Flanagan's National Provider Identifier (NPI) is 1255271821, issued on Mar 31, 2026. An NPI identifies a provider in billing; it is not a license.
Where is Mason Flanagan located?
The NPPES record lists a practice address at 4520 Executive Dr, San Diego, CA, 92121. Phone: (858) 657-8737. Providers update this record themselves, so call before visiting.
How can I verify Mason Flanagan's license?
Search the California board that licenses this profession; the NPPES record confirms identity 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. 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.