Doctor profile · Federal record

Dr. Dayanna Grau, FNP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Morristown, NJ

  • NPI 1780431767
  • Accepts Medicare
  • 2 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
100 Madison Ave
Morristown, NJ 079606136
(973) 971-5000
Additional location
435 South St Ste 230A
Morristown, NJ 079606422
(973) 971-7507
fax (973) 290-7130
Mailing address
Po Box 416457
Boston, MA 022416457

Credentials & registration

NPPES · NUCC
NPI registered
May 2024 — 2 yrs on file
Profile last updated
August 22, 2024
Year of graduation
2024 — 2 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
New Jersey #26NJ15025000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780431767. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$31
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
PFIZER INC. 1 $16.96
AIMMUNE THERAPEUTICS, INC. 1 $14.03

By nature of payment

Food and Beverage
$31

Frequently asked questions

Auto-generated from federal data
What is Dr. Dayanna Grau's medical specialty?
Dr. Dayanna Grau practices Family Nurse Practitioner in Morristown, NJ.
Where does Dr. Dayanna Grau practice?
Dr. Dayanna Grau practices at 100 Madison Ave, Morristown, NJ 079606136. Office phone: 9739715000.
What is Dr. Dayanna Grau's NPI?
Dr. Dayanna Grau's National Provider Identifier (NPI) is 1780431767, issued by NPPES.
Does Dr. Dayanna Grau accept Medicare assignment?
Yes. Dr. Dayanna Grau accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.