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

Mark L Ritch, DO

Individual provider Neurology Physician · NPI 1659313732

Mark L Ritch, DO is a Neurology in Largo, Florida. Graduated from Nova Southeastern College of Osteo Medicine in 1988, 38 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Florida.

Years since qualifying
38
Trained at
Nova Southeastern College of Osteo Medicine
Licensed in
FL
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1000 Belcher Rd S Ste 6
Largo, FL 33771-3321
Phone: (727) 209-2662
Fax: (727) 209-2665
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence OS0006566 (FL)

Record details

NPI number1659313732
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJune 12, 2006
Last updated in NPPESDecember 12, 2016
Mailing address1000 Belcher Rd S, Suite 6, Largo, FL 33771-3321

Medicare enrollment

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

Medicare specialtyNEUROLOGY
Medical schoolNOVA SOUTHEASTERN COLLEGE OF OSTEO MEDICINE
Graduated 1988 (38 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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