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LOIS MARGARET II ROSS APRN-RNP
NPI 1508566852
Family Medicine in Phoenix, AZ

Active since March 06, 2023PECOS EnrolledAccepts Medicare Assignment
7500 N DREAMY DRAW DR, PHOENIX, AZ 85020(520) 335-3600(520) 244-1679 Get Directions Write a Review

NPPES record last updated: January 29, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 29, 2026, Mar 6, 2023 (2 updates tracked since 2023).

About Lois Margaret Ii Ross Aprn-rnp NPPES

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

LOIS MARGARET II ROSS APRN-RNP (NPI 1508566852) is an individual family medicine provider in Phoenix, Arizona, licensed in Arizona (RNP-288804) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1508566852
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameLOIS MARGARET II ROSSCredential: APRN-RNP
Location Address7500 N DREAMY DRAW DRPhoenix, AZ 85020-4660
Mailing Address7500 N Dreamy Draw DrPhoenix, AZ 85020-4660 · (520) 335-3600 · Fax (520) 244-1679
Phone(520) 335-3600
Fax(520) 244-1679
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateMarch 6, 2023
Last NPPES UpdateJanuary 29, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 29, 2026
✔ NPI 1508566852 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in AZ · RNP-288804
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.
7500 N DREAMY DRAW DR, Phoenix, AZ 85020
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Lois Margaret Ii Ross Aprn-rnp 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 ID4486009511
PECOS Enrollment IDI20250502001692
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 Lois Ross reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Adobe Provider Group
14 mi
Nurse Practitioner
4041 S MCCLINTOCK DR STE 302
Tempe, AZ 85282
  • Reassigned Medicare billing, Arizona enrollment
  • 67 clinicians in this Medicare group
NPI 1659850279 (480) 339-1780
Metro Infectious Disease Consultants, LLC
1,433 mi
Infectious Disease
901 MCCLINTOCK DR, SUITE 202
Burr Ridge, IL 60527
  • Reassigned Medicare billing, Arizona enrollment
  • 16 clinicians in this Medicare group
NPI 1235125717 (888) 220-6432

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 85020 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.

Other Providers at the Same Location NPPES 12

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

CORALEE H MCKAY MD PC
Internal Medicine
7500 N DREAMY DRAW DR, SUITE 133
PHOENIX, AZ 85020
Maricopa County (602) 216-6465
SUSAN PANSING MD
Psychiatry & Neurology (Neurology)
7500 N DREAMY DRAW DR, STE. #133
PHOENIX, AZ 85020
Maricopa County (602) 277-2245
SHIRLENE GARDNER LPN
Licensed Practical Nurse
7500 N DREAMY DRAW DR
PHOENIX, AZ 85020
Maricopa County (269) 532-3380
JOSELINE VALDEZ TRUJILLO RN
Registered Nurse (School)
7500 N DREAMY DRAW DR
PHOENIX, AZ 85020
Maricopa County (602) 870-5051
DEZIRAE R. CORDERO CNA,
Student in an Organized Health Care Education/Training Program
7500 N DREAMY DRAW DR
PHOENIX, AZ 85020
Maricopa County (602) 325-1606
TAYLER M LEWIS FNP
Nurse Practitioner (Family)
7500 N DREAMY DRAW DR
PHOENIX, AZ 85020
Maricopa County (520) 233-7111
CENTRAL NEUROLOGY LLC
Clinic/Center
7500 N DREAMY DRAW DR, STE. #133
PHOENIX, AZ 85020
Maricopa County (602) 277-2245
DELTA-T NURSING
Skilled Nursing Facility (Nursing Care, Pediatric)
7500 N DREAMY DRAW DR, SUITE 205
PHOENIX, AZ 85020
Maricopa County (602) 870-5051

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 Lois Ross's NPI number?

The NPI number for Lois Ross is 1508566852. It was assigned to this individual provider in the NPPES registry on March 6, 2023.

Where is Lois Ross located?

Lois Ross practices at 7500 N Dreamy Draw Dr, Phoenix, AZ 85020. The listed phone number is (520) 335-3600.

What is Lois Ross's specialty?

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

Is Lois Ross enrolled in Medicare?

Yes. Lois Ross 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.

Which organizations bill Medicare for Lois Ross's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lois Ross reassigns Medicare benefits to 2 organizations: Adobe Provider Group (Tempe, AZ) and Metro Infectious Disease Consultants, LLC (Burr Ridge, IL). 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 Lois Ross's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lois Ross accept?

Health plans from Blue Cross Blue Shield of Arizona and Oscar Insurance Company list Lois Ross 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 Lois Ross was last updated on January 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.