DR. HOLLIS EARL SHAW M.D.
NPI 1104890680
Internal Medicine - Hematology & Oncology in Mesa, AZ
About Dr. Hollis Earl Shaw M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HOLLIS EARL SHAW M.D. (NPI 1104890680) is an individual hematology & oncology provider in Mesa, Arizona, licensed in Arizona (15515) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (1979).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Dr. Hollis Earl Shaw M.d. 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 Reassignment
Medicare enrollment records show Hollis Shaw reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Scottsdale, AZ 85258
- Reassigned Medicare billing, Arizona enrollment
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85206 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Hollis Shaw's NPI number?
The NPI number for Hollis Shaw is 1104890680. It was assigned to this individual provider in the NPPES registry on February 14, 2006.
Where is Hollis Shaw located?
Hollis Shaw practices at 6242 E Arbor Ave Suite 116, Mesa, AZ 85206. The listed phone number is (480) 668-7060.
What is Hollis Shaw's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Hollis Shaw enrolled in Medicare?
Yes. Hollis Shaw 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 organization bills Medicare for Hollis Shaw's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hollis Shaw reassigns Medicare benefits to Concordia Oncology, PC (Scottsdale, AZ). The 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 Hollis Shaw's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Hollis Shaw accept?
Health plans from UnitedHealthcare list Hollis Shaw 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 Hollis Shaw was last updated on January 15, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. Hollis Earl Shaw, M.D. · NPI 1104890680
Hematology & Oncology physician in Mesa, Arizona. Individual provider, active in the CMS NPPES registry since February 14, 2006.
## Identity
- **NPI:** 1104890680 (Entity type: Individual)
- **Enumerated:** February 14, 2006
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** 15515 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 6242 E ARBOR AVE, SUITE 116, Mesa, AZ 85206-1309
- **Phone:** (480) 668-7060 · **Fax:** (480) 668-5815
## 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:** Concordia Oncology, PC (NPI 1578775110, Scottsdale, AZ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, class of 1979
## Record status
- **NPPES last updated:** January 15, 2016
- **Other identifiers:** Medicare UPIN D44492 (AZ); Medicare ID-Type Unspecified 15515 (AZ); Medicaid 170879 (AZ)
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Source: [NPI Profile](https://npiprofile.com/npi/1104890680) · Data from the CMS NPPES public registry.