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DR. WARIDIBO EVELYN ALLISON M.D
NPI 1548577422
Internal Medicine - Infectious Disease in Phoenix, AZ

Active since September 13, 2010PECOS Enrolled
2601 E ROOSEVELT ST, PHOENIX, AZ 85008(602) 344-5011 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 13, 2026, Mar 10, 2025 (2 updates tracked since 2025).

About Dr. Waridibo Evelyn Allison M.d NPPES

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

DR. WARIDIBO EVELYN ALLISON M.D (NPI 1548577422) is an individual infectious disease provider in Phoenix, Arizona, licensed in Arizona (80121) and active in the NPI registry since September 2010. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1548577422
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameDR. WARIDIBO EVELYN ALLISONCredential: M.D
Location Address2601 E ROOSEVELT STPhoenix, AZ 85008-4973
Mailing Address7160 E Kierland Blvd Apt 514Scottsdale, AZ 85254-2991 · (347) 255-7853
Phone(602) 344-5011
Sole ProprietorNo
Enumeration DateSeptember 13, 2010
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
NPPES CertifiedJuly 13, 2026
✔ NPI 1548577422 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Licenses✔ Licensed in AZ · 80121✔ Licensed in TX · Q8820
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
Also ListedSpecialistTaxonomy 174400000X · License ME128903 (FL)
Also ListedInternal MedicineTaxonomy 207R00000X · License 80121 (AZ)
2601 E ROOSEVELT ST, Phoenix, AZ 85008
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1601 Matlock Centre CirArlington, TX 76015-2535 · Phone (817) 693-1000 · Fax (866) 950-0295
Location 2903 W Martin StSan Antonio, TX 78207-0903 · Phone (210) 358-3710 · Fax (210) 358-5941

Other Identifiers 2

Other367840102TX · Cshcn
Medicaid367840101TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Cigna HealthCare of Arizona, Inc, Oscar Health Plan, Inc. 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)

Dr. Waridibo Evelyn Allison 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 Reassignments

3

Medicare enrollment records show Waridibo Allison reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

District Medical Group, Inc
Same address
Cardiovascular Disease
2601 E ROOSEVELT ST, CARDIOLOGY
Phoenix, AZ 85008
  • Reassigned Medicare billing, Arizona enrollment
  • 1,490 clinicians in this Medicare group
NPI 1043443237 (602) 344-1437
Maricopa County Special Health Care District
Same address
General Acute Care Hospital
2601 E ROOSEVELT ST
Phoenix, AZ 85008
  • Reassigned Medicare billing, Arizona enrollment
  • 285 clinicians in this Medicare group
NPI 1073576740 (602) 344-8152
University Of Texas Health Science Center At San Antonio
827 mi
Diagnostic Radiology
25753 OLD FREDERICKSBURG
Boerne, TX 78015
  • Reassigned Medicare billing, Texas enrollment
  • 2,397 clinicians in this Medicare group
NPI 1417921834 (210) 450-9000

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 85008 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
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 20

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

DR. JOEL PHILIP BETZ M.D.
Emergency Medicine (Emergency Medical Services)
2601 E ROOSEVELT ST
PHOENIX, AZ 85008
Maricopa County (602) 344-5411
DR. ALI SHAHEEN AL-YAQOOBI M.D.
Internal Medicine
2601 E ROOSEVELT ST
PHOENIX, AZ 85008
Maricopa County (602) 344-5411
MARICOPA INTEGRATED HEALTH SYSTEM
General Acute Care Hospital
2601 E ROOSEVELT ST, DEPARTMENT OF MEDICINE
PHOENIX, AZ 85008
Maricopa County (602) 344-5366
OWEN THOMAS MCCABE MD
Surgery (Trauma Surgery)
2601 E ROOSEVELT ST
PHOENIX, AZ 85008
Maricopa County (602) 344-5011
BRIGHAM NICOLL
Psychiatry & Neurology (Psychiatry)
2601 E ROOSEVELT ST
PHOENIX, AZ 85008
Maricopa County (602) 344-5011
DR. AMELIA CATHERINE VAN HANDEL M.D.
Plastic Surgery
2601 E ROOSEVELT ST
PHOENIX, AZ 85008
Maricopa County (410) 999-0858
KEVIN YANG
Psychiatry & Neurology (Psychiatry)
2601 E ROOSEVELT ST
PHOENIX, AZ 85008
Maricopa County (602) 344-5011
STEPHANIE BERKSHIRE DO
Internal Medicine
2601 E ROOSEVELT ST
PHOENIX, AZ 85008
Maricopa County (602) 344-5892

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 Waridibo Allison's NPI number?

The NPI number for Waridibo Allison is 1548577422. It was assigned to this individual provider in the NPPES registry on September 13, 2010.

Where is Waridibo Allison located?

Waridibo Allison practices at 2601 E Roosevelt St, Phoenix, AZ 85008. The listed phone number is (602) 344-5011.

What is Waridibo Allison's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Waridibo Allison enrolled in Medicare?

Yes. Waridibo Allison is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Waridibo Allison's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Waridibo Allison reassigns Medicare benefits to 3 organizations: District Medical Group, Inc (Phoenix, AZ), Maricopa County Special Health Care District (Phoenix, AZ) and University Of Texas Health Science Center At San Antonio (Boerne, TX). 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 Waridibo Allison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Waridibo Allison accept?

Health plans from Blue Cross and Blue Shield of Texas, Cigna HealthCare of Arizona, Inc, Oscar Health Plan, Inc. and Oscar Insurance Company list Waridibo Allison 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 Waridibo Allison was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.