SISY THOMAS NP
NPI 1538799390
Nurse Practitioner - Family in Sacaton, AZ

Active since January 21, 2020PECOS EnrolledAccepts Medicare Assignment
HU HU KAM MEMORIAL HOSPITAL, 483 W. SEED FARM RD, SACATON, AZ 85147(602) 528-1458(602) 271-7870 Get Directions Write a Review

NPPES record last updated: October 6, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 6, 2023, May 17, 2023, Jun 23, 2021 and 4 more (7 updates tracked since 2020).

About Sisy Thomas Np NPPES

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

SISY THOMAS NP (NPI 1538799390) is an individual family provider in Sacaton, Arizona, licensed in Arizona (247977) and active in the NPI registry since January 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1538799390
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameSISY THOMASCredential: NP
Location AddressHU HU KAM MEMORIAL HOSPITAL, 483 W. SEED FARM RDSacaton, AZ 85147
Mailing Address3643 E Robin LnGilbert, AZ 85296-1848 · (480) 664-8988
Fax(602) 271-7870
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateJanuary 21, 2020
Last NPPES UpdateOctober 6, 20237 updates tracked since enumeration
NPPES CertifiedOctober 6, 2023
✔ NPI 1538799390 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in AZ · 247977
Also ListedFamily MedicineTaxonomy 207Q00000X · License 247977 (AZ)
Also ListedFamily Medicine · Adult MedicineTaxonomy 207QA0505X · License 247977 (AZ)
HU HU KAM MEMORIAL HOSPITAL, Sacaton, AZ 85147

Other Names 1

Former Name (1)Sisy Thomas

Accepted 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

Sisy Thomas Np 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 ID6103237268
PECOS Enrollment IDI20230501000257
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 Sisy Thomas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Critical Access
483 W. SEED FARM RD.
Sacaton, AZ 85147
  • Reassigned Medicare billing, Texas enrollment
  • 482 clinicians in this Medicare group
Endocrinology, Diabetes & Metabolism
9700 N. 91ST STREET, B-220
Scottsdale, AZ 85258
  • Reassigned Medicare billing, Arizona enrollment
  • 7 clinicians in this Medicare group

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

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
178 services80 patients
Telephone medical discussion with physician, 11-20 minutes 99442
This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.
74 services43 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
26 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85147 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.

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 Sisy Thomas's NPI number?

The NPI number for Sisy Thomas is 1538799390. It was assigned to this individual provider in the NPPES registry on January 21, 2020.

Where is Sisy Thomas located?

Sisy Thomas practices at Hu Hu Kam Memorial Hospital 483 W. Seed Farm Rd, Sacaton, AZ 85147. The listed phone number is (602) 528-1458.

What is Sisy Thomas's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Sisy Thomas enrolled in Medicare?

Yes. Sisy Thomas 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 Sisy Thomas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sisy Thomas reassigns Medicare benefits to 2 organizations: Gila River Health Care Corporation (Sacaton, AZ) and East Valley Endocrinology, Diabetes & Metabolism, PC (Scottsdale, AZ). 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 Sisy Thomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sisy Thomas accept?

Health plans from Blue Cross Blue Shield of Arizona and Cigna HealthCare of Arizona, Inc list Sisy Thomas 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 Sisy Thomas was last updated on October 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.