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

Individual provider Internal Medicine Physician · NPI 1942367230

Dr. Erik Alvis Niedritis, MD is an Internal Medicine in Rockville Centre, New York. Qualified in 1984, 42 years ago. Practices with North Shore-Lij Medical PC, a 6,350-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
42
Licensed in
NY
In the registry since
2007
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

35 Seaman Ave
Rockville Centre, NY 11570-3131
Phone: (516) 678-2487
Fax: (516) 766-7535
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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 168749 (NY)

Record details

NPI number1942367230
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 3, 2007
Last updated in NPPESApril 12, 2012

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesPSYCHIATRY
Medical schoolOTHER
Graduated 1984 (42 years in practice)
Group practice North Shore-Lij Medical Pc — 6350 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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