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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

AJA N AVILES MSN, CNM, APNP
NPI 1609426956
Advanced Practice Midwife in Milwaukee, WI

Active since September 18, 2019PECOS Enrolled
2906 S 20TH ST, MILWAUKEE, WI 53215(414) 897-5511(414) 385-7552 Get Directions Write a Review

NPPES record last updated: September 23, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 23, 2026, Sep 2, 2026, Jul 22, 2026 and 1 more (4 updates tracked since 2019).

About Aja N Aviles Msn, Cnm, Apnp NPPES

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

AJA N AVILES MSN, CNM, APNP (NPI 1609426956) is an individual advanced practice midwife in Milwaukee, Wisconsin, licensed in Wisconsin (9585-33) and active in the NPI registry since September 2019. She is enrolled in Medicare PECOS and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1609426956
Entity TypeIndividualFemale
Primary Taxonomy367A00000X
Provider Legal NameAJA N AVILESCredential: MSN, CNM, APNP
Location Address2906 S 20TH STMilwaukee, WI 53215-3732
Mailing Address1032 S 16th StMilwaukee, WI 53204-2203 · (414) 672-1353 · Fax (262) 408-5094
Phone(414) 897-5511
Fax(414) 385-7552
Sole ProprietorNo
Enumeration DateSeptember 18, 2019
Last NPPES UpdateSeptember 23, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2026
✔ NPI 1609426956 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367A00000X
License✔ Licensed in WI · 9585-33
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.
2906 S 20TH ST, Milwaukee, WI 53215
Open in Google Maps ↗

Secondary Practice Locations 4

Location 11032 S Cesar E Chavez DrMilwaukee, WI 53204-2203 · Phone (414) 672-1353 · Fax (262) 408-5094
Location 24570 S 27th StMilwaukee, WI 53221-2145 · Phone (414) 672-1353 · Fax (262) 408-5094
Location 3309 E North StWaukesha, WI 53188-3718 · Phone (414) 672-1353
Location 41635 W National AveMilwaukee, WI 53204-1130 · Phone (414) 672-1353 · Fax (262) 408-5094

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Aja N Aviles Msn, Cnm, Apnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

2

Medicare enrollment records show Aja Aviles reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sixteenth Street Community Health Centers, Inc.
0.1 mi
Federally Qualified Health Center (FQHC)
2906 S 20TH ST
Milwaukee, WI 53215
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: 16th Street Community Health Center Inc.
  • 147 clinicians in this Medicare group
NPI 1518092410 (414) 672-1353
Columbia St. Mary's Hospital Milwaukee, Inc
5.6 mi
Multi-Specialty
2350 N LAKE DR
Milwaukee, WI 53211
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: Columbia St Marys Hospital Milwaukee Inc
  • 856 clinicians in this Medicare group
NPI 1023064482 (414) 585-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53215 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
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
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.

JANE MARIE COLLIS-GEERS M.D.
Ophthalmology
2906 S 20TH ST
MILWAUKEE, WI 53215
Milwaukee County (414) 672-1353
ALYSSA R SHERER PT
Physical Therapist
2906 S 20TH ST
MILWAUKEE, WI 53215
Milwaukee County (414) 672-1353
DR. CHRISTIAN ALAN AVERY PHD
Psychologist
2906 S 20TH ST
MILWAUKEE, WI 53215
Milwaukee County (414) 672-1353
MADELINE BRANCHINI PA-C
Physician Assistant
2906 S 20TH ST
MILWAUKEE, WI 53215
Milwaukee County (414) 672-1353
JEESENIA ZAVALA QTT-LPC-IT
Counselor (Professional)
2906 S 20TH ST
MILWAUKEE, WI 53215
Milwaukee County (414) 672-1353
PAMELA DENISE WILSON M.D.
Family Medicine
2906 S 20TH ST
MILWAUKEE, WI 53215
Milwaukee County (414) 672-1353
JILL A STEPHENS MD
Radiology (Diagnostic Radiology)
2906 S 20TH ST
MILWAUKEE, WI 53215
Milwaukee County (414) 385-8800
ISABEL TERESA HERNANDEZ-WHITE
Student in an Organized Health Care Education/Training Program
2906 S 20TH ST
MILWAUKEE, WI 53215
Milwaukee County (414) 672-1353

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 Aja Aviles's NPI number?

The NPI number for Aja Aviles is 1609426956. It was assigned to this individual provider in the NPPES registry on September 18, 2019.

Where is Aja Aviles located?

Aja Aviles practices at 2906 S 20th St, Milwaukee, WI 53215. The listed phone number is (414) 897-5511.

What is Aja Aviles's specialty?

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

Is Aja Aviles enrolled in Medicare?

Yes. Aja Aviles is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Aja Aviles's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aja Aviles reassigns Medicare benefits to 2 organizations: Sixteenth Street Community Health Centers, Inc. (Milwaukee, WI) and Columbia St. Mary's Hospital Milwaukee, Inc (Milwaukee, WI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Aja Aviles's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Aja Aviles accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Anthem Blue Cross and Blue Shield and 3 other insurers list Aja Aviles 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 Aja Aviles was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 days 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.