JULIA WILLIAMS M.D.
NPI 1659427680
Family Medicine in Phoenix, AZ

Q: What is Julia Williams's NPI number?

The NPI number for Julia Williams is 1659427680. It was assigned to this individual provider in the NPPES registry on January 25, 2007.

Q: What is Julia Williams's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Julia Williams was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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.

Active since January 25, 2007PECOS Enrolled

3411 N 5TH AVE STE 209, PHOENIX, AZ 85013(602) 789-0344(602) 789-8389 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Julia Williams M.d. NPPES

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

JULIA WILLIAMS M.D. (NPI 1659427680) is an individual family medicine provider in Phoenix, Arizona, licensed in Arizona (22241) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and maintains a secondary practice location in Flagstaff.

NPPES Registry Identity

NPI1659427680

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameJULIA WILLIAMSCredential: M.D.

Location Address3411 N 5TH AVE STE 209Phoenix, AZ 85013-3812

Mailing Address3411 N 5th Ave Ste 209Phoenix, AZ 85013-3812 · (602) 789-0344 · Fax (602) 789-8389

Phone(602) 789-0344

Fax(602) 789-8389

Sole ProprietorNo

Enumeration DateJanuary 25, 2007

Last NPPES UpdateMarch 17, 2018

✔ NPI 1659427680 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in AZ · 22241

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Also ListedEmergency MedicineTaxonomy 207P00000X · License 22241 (AZ)

3411 N 5TH AVE STE 209, Phoenix, AZ 85013

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Secondary Practice Location 1

Location 11200 N Beaver StFlagstaff, AZ 86001-3118 · Phone (928) 380-0476 · Fax (928) 214-3882

Other Identifiers 1

Medicaid167496AZ

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Julia Williams M.d. 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 Reassignment

Medicare enrollment records show Julia Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Arizona Acute Medical Services 1 PC

2.4 mi

Hospitalist

1930 E THOMAS RD
Phoenix, AZ 85016

Reassigned Medicare billing, Arizona enrollment
302 clinicians in this Medicare group

NPI 1154860674 (602) 532-1000

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 85013 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

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier13 claims13 services$18.00 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

1 supplier18 claims18 services$110.83 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 6

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

DR. JASMINE D KELLEY MD

Internal Medicine