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

Dr. Mark S Reyn, MD

Individual provider Internal Medicine Physician · NPI 1225064546

Dr. Mark S Reyn, MD is a General Practice in Fair Lawn, New Jersey. Qualified in 1974, 52 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in New Jersey.

Years since qualifying
52
Licensed in
NJ
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

29 11 Fair Lawn Ave
Fair Lawn, NJ 07410
Phone: (201) 794-0940
Fax: (201) 794-0353
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MA48289 (NJ)

Record details

NPI number1225064546
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 26, 2006
Last updated in NPPESMarch 15, 2022
Certification dateMarch 15, 2022
Mailing address29 11 Fair Lawn Ave, Fair Lawn, NJ 07410

Medicare enrollment

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

Medicare specialtyGENERAL PRACTICE
Also practisesFAMILY PRACTICE
Medical schoolOTHER
Graduated 1974 (52 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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