Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Clayton B Dejong, MD

Individual provider Internal Medicine Physician · NPI 1467466409

Clayton B Dejong, MD is an Internal Medicine in Long Beach, California. Graduated from University of Iowa, Rj & L Carver College of Medicine in 1985, 41 years ago. Practices with Prohealth Partners, a Medical Group, a 234-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
41
Trained at
University of Iowa, Rj & L Carver College of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

300 Redondo Ave
Long Beach, CA 90814-2651
Phone: (562) 433-7496
Fax: (562) 987-9206
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A42912 (CA)

Record details

NPI number1467466409
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 27, 2006
Last updated in NPPESDecember 29, 2017
Mailing address300 Redondo Ave, Long Beach, CA 90814-2651

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated 1985 (41 years in practice)
Group practice Prohealth Partners, A Medical Group — 234 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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