Doctor profile · Federal record

Dr. Nelleke Greendyk, D.C

Nutrition Chiropractor (CMS: Chiropractic) · Warwick, NY

  • NPI 1528135290
  • 41 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
214 Ronald Reagan Blvd
Warwick, NY 109904107
(845) 986-9222
Mailing address
13 Glennon RD
West Milford, NJ 074802708

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
April 7, 2009
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
111NN1001X — NUCC code
State license (1)
New York #X004528-1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528135290. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
233
Distinct HCPCS
1
Medicare allowed
$9,304
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 233 15 $40

In context: peer comparison

Among 1 peers in Warwick Nutrition Chiropractor, average services per provider: 233. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Nelleke Greendyk's medical specialty?
Dr. Nelleke Greendyk practices Nutrition Chiropractor in Warwick, NY.
Where does Dr. Nelleke Greendyk practice?
Dr. Nelleke Greendyk practices at 214 Ronald Reagan Blvd, Warwick, NY 109904107. Office phone: 8459869222.
What is Dr. Nelleke Greendyk's NPI?
Dr. Nelleke Greendyk's National Provider Identifier (NPI) is 1528135290, issued by NPPES.
Does Dr. Nelleke Greendyk accept Medicare assignment?
Dr. Nelleke Greendyk does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Nelleke Greendyk commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.