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

Dr. Glen Robert Mark, DC

Individual provider Chiropractor · NPI 1669415238

Dr. Glen Robert Mark, DC is a Chiropractic in Riverhead, New York. Graduated from Life Chiropractic College in 1993, 33 years ago. Practices with Hallmark Chiropractic, a 2-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
33
Trained at
Life Chiropractic College
Licensed in
NY
In the registry since
2006
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

633 Roanoke Ave
Riverhead, NY 11901-2727
Phone: (631) 727-3795
Fax: (631) 727-1961
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence XOO7337-1 (NY)

Record details

NPI number1669415238
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorNo
NPI enumeratedJune 13, 2006
Last updated in NPPESMarch 10, 2020
Certification dateMarch 10, 2020
Mailing address633 Roanoke Ave, Riverhead, NY 11901-2789

Medicare enrollment

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

Medicare specialtyCHIROPRACTIC
Medical schoolLIFE CHIROPRACTIC COLLEGE
Graduated 1993 (33 years in practice)
Group practice Hallmark Chiropractic — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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