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

MS. Greta Louise Gill, CNM

Individual provider Advanced Practice Midwife · NPI 1508920323

MS. Greta Louise Gill, CNM is a Certified Nurse Midwife (CNM) in Tucson, Arizona. Qualified in 2001, 25 years ago. Practices with El Rio Santa Cruz Neighborhood Health Center, Inc, a 283-clinician group and accepts Medicare assignment. Licensed in Arizona and California.

Years since qualifying
25
Licensed in
AZ, CA
In the registry since
2006
Specialties on file
3
What do these letters mean?
CNM — Certified Nurse-Midwife
An advanced practice nurse who provides prenatal care and delivers babies.

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Practice location Address checks out

839 W Congress St
Tucson, AZ 85745-2819
Phone: (520) 670-3870
Fax: (520) 670-3896
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Advanced Practice Midwife (primary) Taxonomy 367A00000X · Licence RN105341 (AZ)
Advanced Practice Midwife Taxonomy 367A00000X
Perinatal Registered Nurse Taxonomy 163WP1700X · Licence 574742 (CA)

Record details

NPI number1508920323
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNM
Sole proprietorNo
NPI enumeratedDecember 20, 2006
Last updated in NPPESMarch 11, 2025
Certification dateMarch 11, 2025

Medicare enrollment

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

Medicare specialtyCERTIFIED NURSE MIDWIFE (CNM)
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice El Rio Santa Cruz Neighborhood Health Center, Inc. — 283 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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