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

Elizabeth Sarah Hammer, MD

Individual provider Nephrology Physician · NPI 1104117340

Elizabeth Sarah Hammer, MD is a Nephrology in Brooklyn, New York. Graduated from Icahn School of Medicine at Mount Sinai in 2011, 15 years ago. Practices with New York University, a 5,884-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
15
Trained at
Icahn School of Medicine at Mount Sinai
Licensed in
NY
In the registry since
2011
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

6740 4th Ave Fl 3
Brooklyn, NY 11220-5350
Phone: (929) 455-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 150 55th St, Brooklyn, NY 11220-2508 — (718) 630-7000
  • 550 1st Ave, New York, NY 10016-6402 — (732) 816-8454

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 268356 (NY)

Record details

NPI number1104117340
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 21, 2011
Last updated in NPPESApril 9, 2021
Certification dateApril 9, 2021

Medicare enrollment

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

Medicare specialtyNEPHROLOGY
Medical schoolICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Graduated 2011 (15 years in practice)
Group practice New York University — 5884 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations10 on file with Medicare

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