SAMUEL GEORGE COOK DO
NPI 1144782079
Internal Medicine - Rheumatology in Tucson, AZ
About Samuel George Cook Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAMUEL GEORGE COOK DO (NPI 1144782079) is an individual rheumatology provider in Tucson, Arizona, licensed in Arizona (009610) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
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
Samuel George Cook Do 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.
Medicare Billing Reassignments
4Medicare enrollment records show Samuel Cook reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tucson, AZ 85711
- Reassigned Medicare billing, Arizona enrollment
- 1,514 clinicians in this Medicare group
Tucson, AZ 85746
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Ton Sells Hospital
- 349 clinicians in this Medicare group
Tucson, AZ 85746
- Reassigned Medicare billing, Texas enrollment
- 286 clinicians in this Medicare group
West Des Moines, IA 50266
- Reassigned Medicare billing, Iowa enrollment
- 318 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85713 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TUCSON, AZ 85713
TUCSON, AZ 85713
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 Samuel Cook's NPI number?
The NPI number for Samuel Cook is 1144782079. It was assigned to this individual provider in the NPPES registry on April 1, 2019.
Where is Samuel Cook located?
Samuel Cook practices at 2800 E Ajo Way Ste 103, Tucson, AZ 85713. The listed phone number is (520) 694-8888.
What is Samuel Cook's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Samuel Cook enrolled in Medicare?
Yes. Samuel Cook 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 Samuel Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Samuel Cook reassigns Medicare benefits to 4 organizations: Banner-University Medical Group (Tucson, AZ), San Xavier District Office (Tucson, AZ), Ton San Xavier Health Center (Tucson, AZ) and The Iowa Clinic PC (West Des Moines, IA). 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 Samuel Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Samuel Cook accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Oscar Health Plan, Inc. and UnitedHealthcare and 1 other insurer list Samuel Cook 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 Samuel Cook was last updated on December 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Samuel George Cook, DO · NPI 1144782079
Rheumatology physician in Tucson, Arizona. Individual provider, active in the CMS NPPES registry since April 1, 2019.
## Identity
- **NPI:** 1144782079 (Entity type: Individual)
- **Enumerated:** April 1, 2019
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 009610 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 2800 E AJO WAY STE 103, Tucson, AZ 85713-6204
- **Phone:** (520) 694-8888 · **Fax:** (520) 505-2476
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Banner-University Medical Group (NPI 1932708328, Tucson, AZ); San Xavier District Office (NPI 1073694832, Tucson, AZ); Ton San Xavier Health Center (NPI 1437157302, Tucson, AZ); The Iowa Clinic PC (NPI 1346233178, West Des Moines, IA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** December 4, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1144782079) · Data from the CMS NPPES public registry.