Dr. Joseph Castrejon, MD

  • Vista, CA
  • Family medicine physician
NPI1568486710PAC ID2062605405
Medicare services, 2024
2,167
Medicare patients, 2024
218
Part D claims, 2024
3,693
Publications
2
Industry payments
$7,084
Practice address
2023 W Vista Way, Vista, CA 92083-6030
Practice phone
Call (760) 806-1406
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Coastal Family Medical Center

Physician office · Vista, California

See all 5 affiliations

Find Dr. Castrejon's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Joseph Castrejon is a family medicine physician in Vista, California

Dr. Castrejon practices at Coastal Family Medical Center in Vista, California.

Dr. Castrejon's NPI, 1568486710, was assigned on July 27, 2006. Dr. Castrejon graduated from University of Missouri School of Medicine in 1994. Dr. Castrejon's California license number on file is A55607.

NPI and contact details
Medicare PAC ID
2062605405
NPI enumeration date
July 27, 2006
NPI status
Active
Offers telehealth
Yes
Practice phone
(760) 806-1406
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
58
Medical school graduation
1994

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Joseph Castrejon practices at Coastal Family Medical Center in Vista, California

Dr. Castrejon's primary practice is Coastal Family Medical Center, at 2023 W Vista Way, Vista, CA 92083-6030. The practice phone is (760) 806-1406.

  • Coastal Family Medical Center
    2023 W Vista Way, Vista, CA 92083-6030Phone(760) 806-1406

Source: Dmand AI Affiliation Data

Dr. Joseph Castrejon is affiliated with 4 sites of care and 1 medical group

Dr. Castrejon's primary practice is Coastal Family Medical Center in Vista, California. The medical group on file is Impact Medical Group. Dmand AI also links Dr. Castrejon to 2 more hospices and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Castrejon

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Joseph Castrejon's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Castrejon practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Coastal Family Medical CenterAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Dr. Castrejon practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Joseph Castrejon is one of 15,680 family medicine physicians in California

Family medicine is Dr. Castrejon's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Castrejon is board certified in family medicine by the American Board of Family Medicine. Dmand AI has Dr. Castrejon's licenses on file in 2 states: California and Washington.

Specialties and state licenses

  • Family medicine, CaliforniaPrimaryLicense A55607 · 1996 to 2025 · taxonomy 207Q00000X
  • Washington license2013 to 2025

Clinical focus

Dmand AI lists chronic diabetes, chronic hypertension, coronary artery disease, diabetic emergency, ear eustachian tube disorders, hemorrhoids, high cholesterol and joint pain among the conditions Dr. Castrejon treats.

Family medicine physicians near Dr. Castrejon

Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Joseph Castrejon billed Medicare for 2,167 services in 2024

CMS data shows 2,167 Medicare services from Dr. Castrejon across 6 procedure codes in 2024, for 218 Medicare patients. Medicare paid $76,035 for them. Every service was in an office.

Medicare services, 20242,167
Medicare patients218
Paid by Medicare$76,035
Procedure codes6

Dr. Castrejon's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 6232024: 2,167248%

Dr. Castrejon compared with the California median for family medicine physicians, 2024

  • Dr. Castrejon
  • California median
Medicare services
2,167vs 2468.8 times
Medicare patients
218vs 11885% above
Part D claims
3,082vs 8333.7 times

Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Castrejon's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Castrejon

Need commercial claims for Dr. Castrejon?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Castrejon and other family medicine physicians in California.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Joseph Castrejon treated 218 Medicare patients in 2024, average age 78

CMS counts 218 Medicare patients who saw Dr. Castrejon in 2024. The largest group is 75 to 84, with 75 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 37% are also on Medicaid. Their average risk score is 2.33, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Castrejon's median patient age at 77, with 54% women.

Medicare patients, 2024218
Average age78
Average risk score2.33
Also on Medicaid37%

Dr. Castrejon's Medicare patients by age, 2024

Dr. Castrejon's Medicare patients by sex, 2024

  • Women11754%
  • Men10146%

Chronic conditions among Dr. Castrejon's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis66%
  4. Diabetes51%
  5. Chronic kidney disease47%
  6. Heart failure41%
  7. Ischemic heart disease40%
  8. Mood disorders38%

Share of Medicare patients with each condition. A patient can have several.

Dr. Castrejon's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 77

Patient panel by sex, all payers

  • Women54%
  • Men45%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Joseph Castrejon wrote 3,693 Medicare Part D claims in 2024

In 2024, Dr. Castrejon wrote 3,693 Medicare Part D claims for 277 patients. 88% of them were for generic drugs. CMS names the drug for 3,082 of them, across 77 drugs with 11 or more claims each, at $334,826 in total drug cost. In 2023, CMS named 2,380 claims across 64 drugs.

Part D claims, 20243,693
Drugs named by CMS77
Total drug cost$334,826
Part D patients277

Dr. Castrejon's Part D claims by kind of drug, 2024

  • Generic3,245 claims88%
  • Brand-name429 claims12%
  • Other19 claims1%

Dr. Castrejon's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Castrejon's Part D claims, 2024

  • Opioids1%25 of 3,693 claims
  • Antibiotics2%71 of 3,693 claims
  • Antipsychotics, patients 65 and over1%54 of 3,693 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2,3802024: 3,08229%

Drugs named by CMS: 77 in 2024, 64 in 2023.

See all prescribing by Dr. Castrejon

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Joseph Castrejon offers telehealth to Medicare patients

CMS lists Dr. Castrejon as offering telehealth.

Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

For MedTech and pharma teams

Find family medicine physicians like Dr. Castrejon by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Joseph Castrejon has 2 publications on record

Dmand AI links 2 papers to Dr. Castrejon in 2010. The most frequent topics are Anti-Infective Agents, Cells, Cultured and Mice, Inbred BALB C.

Papers2

Topics Dr. Castrejon writes about most

  • Anti-Infective Agents
  • Cells, Cultured
  • Mice, Inbred BALB C
  • Sulfamethoxazole

Recent publications by Dr. Castrejon

See all 2 publications and co-authors

See who Dr. Castrejon researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Castrejon works with, so you can find a warm path to the right family medicine physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Joseph Castrejon received $7,084 in industry payments from 2016 to 2025

CMS Open Payments shows 282 general payments to Dr. Castrejon from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. AstraZeneca Pharmaceuticals LP paid the most, $3,847.

General payments to Dr. Castrejon by program year, 2016 to 2025

General payments to Dr. Castrejon by kind, 2016 to 2025

$7.1Kin total
  • Food and beverage$7,04899%
  • Education$361%

Companies that paid Dr. Castrejon the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Castrejon

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Joseph Castrejon graduated from University of Missouri School of Medicine

Dr. Castrejon graduated from University of Missouri School of Medicine in 1994.

  1. Medical schoolUniversity of Missouri School of Medicine
  2. Board certified in family medicineAmerican Board of Family Medicine

Source: Dmand AI Professional Profile Data

Dr. Joseph Castrejon accepts plans from 15 insurance carriers

Dr. Castrejon is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Humana
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • +7 more carriersWith a free account

Plan types Dr. Castrejon accepts, by number of carriers

  1. PPO10
  2. Medicare9
  3. HMO7
  4. EPO4
  5. POS4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Joseph Castrejon's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Joseph Castrejon

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Joseph Castrejon's NPI number?

Dr. Joseph Castrejon's NPI number is 1568486710. It was assigned on July 27, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Joseph Castrejon?

Dr. Joseph Castrejon is a family medicine physician in Vista, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).

Where does Dr. Joseph Castrejon practice?

Dr. Castrejon practices at 2023 W Vista Way, Vista, CA 92083-6030. Dr. Castrejon's primary practice is Coastal Family Medical Center in Vista, California. Dmand AI also links Dr. Castrejon to 2 hospices and 1 group practice or clinic.

What is Dr. Joseph Castrejon's office phone number?

The practice phone on file for Dr. Castrejon is (760) 806-1406.

What is Dr. Joseph Castrejon's medical license number?

Dr. Castrejon's California license number on file is A55607, one of the licenses on file in 2 states.

Which states has Dr. Joseph Castrejon been licensed in?

Dmand AI has state licenses on file for Dr. Castrejon in California (1996 to 2025) and Washington (2013 to 2025).

What medical group is Dr. Joseph Castrejon part of?

Dr. Castrejon is linked to Impact Medical Group.

Does Dr. Joseph Castrejon accept Medicare?

Yes. CMS data shows Dr. Castrejon billed Medicare for 2,167 services in 2024.

Does Dr. Joseph Castrejon offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Castrejon as offering telehealth services.

How many Medicare patients does Dr. Joseph Castrejon see?

CMS counts 218 Medicare patients who saw Dr. Castrejon in 2024, with an average age of 78.

Show 8 more questionsShow fewer questions

Is Dr. Joseph Castrejon board certified?

Yes. Dr. Castrejon is board certified in family medicine by the American Board of Family Medicine.

What services does Dr. Joseph Castrejon bill to Medicare?

In 2024, Dr. Castrejon's most billed Medicare services were care management and other visits (99458), care management and other visits (99457) and care management and other visits (99454).

Where did Dr. Joseph Castrejon go to medical school?

Dr. Castrejon graduated from University of Missouri School of Medicine in 1994.

What drugs does Dr. Joseph Castrejon prescribe most?

In 2024 Medicare Part D data, Dr. Castrejon's most prescribed drugs by claims were Atorvastatin Calcium, Metformin HCl and Amlodipine Besylate.

Has Dr. Joseph Castrejon received payments from drug or device companies?

CMS Open Payments shows $7,084 in general payments to Dr. Castrejon from 17 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Dr. Joseph Castrejon been practicing?

Dr. Castrejon graduated from medical school in 1994, 32 years ago.

Does Dr. Joseph Castrejon do research?

Dmand AI links 2 publications to Dr. Castrejon.

What insurance does Dr. Joseph Castrejon accept?

Dr. Castrejon is in network with 15 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

Selling to family medicine practices?

See family medicine physicians in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)