MS. GRETA LOUISE GILL CNM
NPI 1508920323
Advanced Practice Midwife in Tucson, AZ

Active since December 20, 2006PECOS EnrolledAccepts Medicare Assignment
839 W CONGRESS ST, TUCSON, AZ 85745(520) 670-3870(520) 670-3896 Get Directions Write a Review

NPPES record last updated: March 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ms. Greta Louise Gill Cnm NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. GRETA LOUISE GILL CNM (NPI 1508920323) is an individual advanced practice midwife in Tucson, Arizona, licensed in Arizona (RN105341) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2001).

NPPES Registry Identity

NPI1508920323
Entity TypeIndividualFemale
Primary Taxonomy367A00000X
Provider Legal NameMS. GRETA LOUISE GILLCredential: CNM
Location Address839 W CONGRESS STTucson, AZ 85745-2819
Mailing Address839 W Congress StTucson, AZ 85745-2819 · (520) 670-3909 · Fax (520) 309-2560
Fax(520) 670-3896
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateDecember 20, 2006
Last NPPES UpdateMarch 11, 2025
NPPES CertifiedMarch 11, 2025
NPI 1508920323 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367A00000X
License Licensed in AZ · RN105341
Definition
Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. Source: American College of Nurse-Midwives, www.midwife.org Additional Resources: See the American College of Nurse-Midwives, www.midwife.org, for more information on Certified Nurse-Midwives, Certified Midwives, the American Midwifery Certification Board (AMCB), and licensure.
Also ListedRegistered Nurse · PerinatalTaxonomy 163WP1700X · License 574742 (CA)
839 W CONGRESS ST, Tucson, AZ 85745

Other Names 1

Former Name (1)Greta Louise Cohn Cnm

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Ms. Greta Louise Gill Cnm is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5294790374
PECOS Enrollment IDI20080226000380
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85745 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
839 W CONGRESS ST
TUCSON, AZ 85745
Technician/Technologist (Optician)
839 W CONGRESS ST
TUCSON, AZ 85745
Dental Hygienist
839 W CONGRESS ST
TUCSON, AZ 85745
Dental Hygienist
839 W CONGRESS ST
TUCSON, AZ 85745
Advanced Practice Midwife
839 W CONGRESS ST
TUCSON, AZ 85745
Internal Medicine
839 W CONGRESS ST
TUCSON, AZ 85745
Chiropractor
839 W CONGRESS ST
TUCSON, AZ 85745
Pharmacist
839 W CONGRESS ST
TUCSON, AZ 85745

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Greta Gill's NPI number?

The NPI number for Greta Gill is 1508920323. It was assigned to this individual provider in the NPPES registry on December 20, 2006. The provider is also known as Greta Louise Cohn Cnm.

Where is Greta Gill located?

Greta Gill practices at 839 W Congress St, Tucson, AZ 85745. The listed phone number is (520) 670-3870.

What is Greta Gill's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Is Greta Gill enrolled in Medicare?

Yes. Greta Gill is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Greta Gill accept?

Health plans from Ambetter from Arizona Complete Health, Antidote Health Plan of Arizona, Inc., Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc. and UnitedHealthcare list Greta Gill as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Greta Gill was last updated on March 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.