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

Dr. Mark C. Walker I, MD

Individual provider Psychiatry Physician · NPI 1427318864

Dr. Mark C. Walker I, MD is a Psychiatry in Palm Beach, Florida. Qualified in 1990, 36 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Florida.

Years since qualifying
36
Licensed in
FL
In the registry since
2012
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

234 Oleander Ave Apt 6
Palm Beach, FL 33480-3824
Phone: (352) 497-5920
Fax: (561) 629-5240
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence ME108732 (FL)

Record details

NPI number1427318864
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 19, 2012
Last updated in NPPESJune 21, 2025
Certification dateJune 21, 2025
Mailing address234 Oleander Ave Apt 6, Palm Beach, FL 33480-3824

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolOTHER
Graduated 1990 (36 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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