Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Mamawa Massally Hollendyke, DNP, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1598446643

Mamawa Massally Hollendyke, DNP, CRNA is registered under Certified Registered Nurse Anesthetist (CRNA) in Hackensack, New Jersey. Qualified in 2025, 1 year ago. Practices with New Jersey Healthcare Specialists PC, a 573-clinician group and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
1
Licensed in
NJ
In the registry since
2023
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

See every abbreviation used in this directory →

Practice location Address checks out

30 Prospect Ave
Hackensack, NJ 07601-1915
Phone: (000) 000-0000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 26NJ15344800 (NJ)

Record details

NPI number1598446643
Entity typeIndividual (Type 1)
GenderFemale
Credentials DNP , CRNA
Sole proprietorYes
NPI enumeratedJuly 31, 2023
Last updated in NPPESJune 11, 2025
Certification dateJune 11, 2025

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice New Jersey Healthcare Specialists Pc — 573 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at New Jersey Healthcare Specialists PC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 573 clinicians in the practice; 12 are shown here.

Other providers in Hackensack