Joseph Castrejon, MD
Family Medicine Physician · Vista, CA
Joseph Castrejon, MD is a family medicine physician with a practice address in Vista, California, and NPI 1568486710, issued on Jul 27, 2006. Check the license (California A55607, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph Castrejon
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A55607 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2023 W Vista Way Ste K, Vista, CA 92083
- Phone
- (760) 806-1406
- Enumerated
- Jul 27, 2006
- Record last updated
- Jun 17, 2024
- Fax
- (760) 806-1408
- Medicaid ID
- 00A556070 CA
- Medicare enrollment
- Enrolled (PECOS I20101019000308); may accept Medicare assignment
- Medical or professional school
- University Of Missouri, Columbia School Of Medicine, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Verify Joseph Castrejon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A55607Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average family medicine physician in 2024
3,693 Medicare Part D claims for 277 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 25 claims were for opioids.
Most prescribed
- Atorvastatin Calcium322 claims
- Metformin Hcl203 claims
- Amlodipine Besylate145 claims
- Lisinopril136 claims
- Levothyroxine Sodium122 claims
- Losartan Potassium112 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.
Industry payments in 2024: $251.73
12 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Impact Medical Associates CaliforniaSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Castrejon among 17,133 family medicine physician records in California
Joseph Castrejon, MD is one of 17,133 family medicine physician records with a practice address in California. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1994 · median 2005 among the 10,652 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
75 family medicine physician records list a practice address in Vista
They are 75 of the 2,017 NPPES records with a practice address in Vista, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Vista → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Hala Amr, MDVista, CA 920831891700258
- Deryien Chen, MDVista, CA 920831902820103
- Jonathan Haynes, MDVista, CA 920831255397063
- Louis Hogrefe, MDVista, CA 920831841205218
- Melissa Hurd, M.D.Vista, CA 920831487643698
- Ken Iwaoka, MDVista, CA 920831346263670
- Amad Kadry, M.D.Vista, CA 920831396855235
- Silvia Mendoza, PHYSICIAN ASSISTANTVista, CA 920831245232404
Common questions
What is Joseph Castrejon, MD's NPI number?
Joseph Castrejon, MD's National Provider Identifier (NPI) is 1568486710, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Castrejon, MD located?
The NPPES record lists a practice address at 2023 W Vista Way Ste K, Vista, CA, 92083. Phone: (760) 806-1406. Providers update this record themselves, so call before visiting.
How can I verify Joseph Castrejon, MD's license?
NPPES lists California license number A55607, 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 Joseph Castrejon, MD prescribe under Medicare Part D?
In 2024, Joseph Castrejon, MD had 3,693 Medicare Part D claims for 277 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.