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

Sherman Mark Klein, MD

Individual provider Internal Medicine Physician · NPI 1558340992

Sherman Mark Klein, MD is an Internal Medicine in Flushing, New York. Qualified in 1982, 44 years ago. Practices with Tjh Medical Services PC, a 213-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
44
Licensed in
NY
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

14601 45th Ave Ste 303
Flushing, NY 11355-2200
Phone: (718) 353-1010
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 162551 (NY)

Record details

NPI number1558340992
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 13, 2006
Last updated in NPPESNovember 26, 2008
Mailing address14601 45th Ave, Suite 303, Flushing, NY 11355-2200

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1982 (44 years in practice)
Group practice Tjh Medical Services Pc — 213 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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