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

Mary Ellen Watts

Individual provider Critical Care Medicine Registered Nurse · NPI 1124996533

Mary Ellen Watts is a Critical Care Medicine Registered Nurse in Scottsdale, Arizona. Licensed in Arizona. Registered with an NPI since 2025.

Licensed in
AZ
In the registry since
2025

Practice location PO Box

The provider listed a PO Box rather than a street location, so this is not a walk-in address.

PO Box 338
Scottsdale, AZ 85252-0338
Phone: (480) 589-2738
Show map & directions

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

Specialties & licences

Critical Care Medicine Registered Nurse (primary) Taxonomy 163WC0200X · Licence RN155449 (AZ)

Record details

NPI number1124996533
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedOctober 27, 2025
Last updated in NPPESOctober 27, 2025
Certification dateOctober 27, 2025
Mailing addressPo Box 338, Scottsdale, AZ 85252

Other providers in Scottsdale