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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.

HELEN LOLI-SLOAN DO
NPI 1407559875
Internal Medicine in Phoenix, AZ

Active since March 24, 2023PECOS Enrolled
2525 E ROOSEVELT ST, PHOENIX, AZ 85008(833) 855-9973 Get Directions Write a Review

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

Record update history: Oct 13, 2026, Aug 3, 2026, Mar 20, 2026 and 2 more (5 updates tracked since 2023).

About Helen Loli-sloan Do NPPES

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

HELEN LOLI-SLOAN DO (NPI 1407559875) is an individual internal medicine provider in Phoenix, Arizona, licensed in Arizona (011477) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS and is a graduate of Arizona College Of Osteopathic Medicine Mid Western University (2023).

NPPES Registry Identity

NPI1407559875
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameHELEN LOLI-SLOANCredential: DO
Location Address2525 E ROOSEVELT STPhoenix, AZ 85008-4948
Mailing Address2525 E Roosevelt StPhoenix, AZ 85008-4948
Phone(833) 855-9973
Sole ProprietorYes
Medical School CMSArizona College Of Osteopathic Medicine Mid Western UniversityGraduated 2023
Enumeration DateMarch 24, 2023
Last NPPES UpdateOctober 13, 20265 updates tracked since enumeration
NPPES CertifiedOctober 13, 2026
✔ NPI 1407559875 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in AZ · 011477
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedGeneral PracticeTaxonomy 208D00000X · License 011477 (AZ)
2525 E ROOSEVELT ST, Phoenix, AZ 85008
Open in Google Maps ↗

Other Names 1

Former Name (1)Helen Loli

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Cigna HealthCare of Arizona, Inc, Oscar Health Plan, Inc..Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Helen Loli-sloan Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1951882539
PECOS Enrollment IDI20260221000682
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 Helen Loli-sloan 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
Pulmonary Disease
2525 E ROOSEVELT ST, MED CLINIC - PULMONARY
Phoenix, AZ 85008
  • Reassigned Medicare billing, Arizona enrollment
  • 1,490 clinicians in this Medicare group
NPI 1700119815 (602) 344-1095
Maricopa County Special Health Care District
0.1 mi
Adult Mental Health
2525 E ROOSEVELT ST
Phoenix, AZ 85008
  • Reassigned Medicare billing, Arizona enrollment
  • 285 clinicians in this Medicare group
NPI 1205295581 (602) 344-8178
Signify Health, LLC
880 mi
General Practice
4055 VALLEY VIEW LN STE 700
Dallas, TX 75244
  • Reassigned Medicare billing, Arizona enrollment
  • 556 clinicians in this Medicare group
NPI 1689158487 (469) 466-7007

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.

MARICOPA COUNTY SPECIAL HEALTH CARE DISTRICT
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
2525 E ROOSEVELT ST
PHOENIX, AZ 85008
Maricopa County (602) 344-8180
DR. SALIL V. PRADHAN MD
Pediatrics
2525 E ROOSEVELT ST
PHOENIX, AZ 85008
Maricopa County (602) 344-5404
SHEETAL K CHHAYA D.O.
Internal Medicine (Rheumatology)
2525 E ROOSEVELT ST
PHOENIX, AZ 85008
Maricopa County (602) 344-5027
DR. PAUL ANTHONY REYES DEL PRADO M.D.
Surgery
2525 E ROOSEVELT ST
PHOENIX, AZ 85008
Maricopa County (602) 344-1015
DR. MICHELLE DWULIT M.D.
Internal Medicine
2525 E ROOSEVELT ST
PHOENIX, AZ 85008
Maricopa County (602) 344-5146
MALKIA YUSSUF
Nurse Practitioner (Family)
2525 E ROOSEVELT ST
PHOENIX, AZ 85008
Maricopa County (602) 344-1015
SUSAN GEREN MD
Pediatrics
2525 E ROOSEVELT ST
PHOENIX, AZ 85008
Maricopa County (602) 470-5043
JOANNA KOWALIK MD
Psychiatry & Neurology (Child & Adolescent Psychiatry)
2525 E ROOSEVELT ST
PHOENIX, AZ 85008
Maricopa County (833) 855-9973

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 Helen Loli-sloan's NPI number?

The NPI number for Helen Loli-sloan is 1407559875. It was assigned to this individual provider in the NPPES registry on March 24, 2023. The provider is also known as Helen Loli.

Where is Helen Loli-sloan located?

Helen Loli-sloan practices at 2525 E Roosevelt St, Phoenix, AZ 85008. The listed phone number is (833) 855-9973.

What is Helen Loli-sloan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Helen Loli-sloan enrolled in Medicare?

Yes. Helen Loli-sloan is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Helen Loli-sloan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Helen Loli-sloan reassigns Medicare benefits to 3 organizations: District Medical Group, Inc (Phoenix, AZ), Maricopa County Special Health Care District (Phoenix, AZ) and Signify Health, LLC (Dallas, 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 Helen Loli-sloan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Helen Loli-sloan accept?

Health plans from Ambetter from Arizona Complete Health, Cigna HealthCare of Arizona, Inc and Oscar Health Plan, Inc. list Helen Loli-sloan 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 Helen Loli-sloan was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.