Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John Calvin Chatlos Jr., MD

Individual provider Psychiatry Physician · NPI 1497752695

Dr. John Calvin Chatlos Jr., MD is a Psychiatry in Holmdel, New Jersey. Graduated from University of Maryland School of Medicine in 1978, 48 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
48
Trained at
University of Maryland School of Medicine
Licensed in
NJ
In the registry since
2005
Specialties on file
4
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

973 Holmdel Rd
Holmdel, NJ 07733-2124
Phone: (732) 834-0368
Fax: (732) 834-9891
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence MA46262 (NJ)
Addiction Psychiatry Physician Taxonomy 2084P0802X · Licence MA 46262 (NJ)
Child & Adolescent Psychiatry Physician Taxonomy 2084P0804X · Licence MA 46262 (NJ)
Addiction Medicine (Psychiatry & Neurology) Physician Taxonomy 2084A0401X · Licence MA 46262 (NJ)

Record details

NPI number1497752695
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 1, 2005
Last updated in NPPESApril 18, 2016

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Also practisesADDICTION MEDICINE
Medical schoolUNIVERSITY OF MARYLAND SCHOOL OF MEDICINE
Graduated 1978 (48 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Holmdel