Doctor profile · Federal record

Dr. Marlee Zweifach, M.S., R.D., C.D.E.,

Registered Dietitian (CMS: Registered Dietitian or Nutrition Professional) · New York, NY

  • NPI 1114097466
  • Accepts Medicare
  • 42 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
35 East 85Th Street
New York, NY 100280954
(212) 861-7268
fax (212) 861-7429
Mailing address
17 Eastern Drive
Ardsley, NY 105021927

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
May 27, 2010
Year of graduation
1984 — 42 yrs since
Specialty taxonomy
133V00000X — NUCC code
State license (1)
New York #000529-1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114097466. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
574
Distinct HCPCS
3
Medicare allowed
$15,721
HCPCS Description Services Patients Avg allowed
G0270 Medical nutrition therapy; reassessment and subsequent intervention(s) following second referral in same year for change in diagnosis, medical condition or treatment regimen (including additional hours needed for renal disease), individual, face to face wi 248 18 $27
97803 Therapy procedure reassessment for nutrition management, each 15 minutes 208 37 $26
97802 Therapy procedure for nutrition management, each 15 minutes 118 21 $31

In context: peer comparison

Among 7 peers in New York Registered Dietitian, average services per provider: 139. This provider delivers 4.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Marlee Zweifach's medical specialty?
Dr. Marlee Zweifach practices Registered Dietitian in New York, NY.
Where does Dr. Marlee Zweifach practice?
Dr. Marlee Zweifach practices at 35 East 85Th Street, New York, NY 100280954. Office phone: 2128617268.
What is Dr. Marlee Zweifach's NPI?
Dr. Marlee Zweifach's National Provider Identifier (NPI) is 1114097466, issued by NPPES.
Does Dr. Marlee Zweifach accept Medicare assignment?
Yes. Dr. Marlee Zweifach accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marlee Zweifach commonly perform?
Top Medicare-reported procedures in 2023: Medical nutrition therapy; reassessment and subsequent intervention(s) following second referral in same year for change in diagnosis, medical condition or treatment regimen (including additional hours needed for renal disease), individual, face to face wi (HCPCS G0270); Therapy procedure reassessment for nutrition management (HCPCS 97803); Therapy procedure for nutrition management (HCPCS 97802). Source: CMS Medicare Physician & Other Practitioners file.