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

Mary Ruth Milley, CRNA

Individual provider Registered Nurse · NPI 1881680445

Mary Ruth Milley, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Wilmington, Delaware. Qualified in 1993, 33 years ago. Practices with North American Partners in Anesthesia Maryland LLC, a 48-clinician group and accepts Medicare assignment. Licensed in Delaware, Maryland and Pennsylvania.

Years since qualifying
33
Licensed in
DE, MD, PA
In the registry since
2005
Specialties on file
4
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

701 N Clayton St 3rd Fl
Wilmington, DE 19805-3158
Phone: (302) 421-4330
Fax: (302) 421-4331
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence R252168 (MD)
Registered Nurse Taxonomy 163W00000X · Licence L1-0023597 (DE)
Certified Registered Nurse Anesthetist Taxonomy 367500000X · Licence L6-0A00192 (DE)
Certified Registered Nurse Anesthetist Taxonomy 367500000X · Licence RN262035L (PA)

Record details

NPI number1881680445
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorNo
NPI enumeratedSeptember 20, 2005
Last updated in NPPESOctober 14, 2022
Certification dateOctober 14, 2022

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Group practice North American Partners In Anesthesia Maryland Llc — 48 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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