DR. LISA MAUREEN SUMNER MD
NPI 1962512012
Internal Medicine - Rheumatology in Phoenix, AZ
About Dr. Lisa Maureen Sumner Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LISA MAUREEN SUMNER MD (NPI 1962512012) is an individual rheumatology provider in Phoenix, Arizona, licensed in Arizona (30956) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Tufts University School Of Medicine (1993).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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. Lisa Maureen Sumner Md 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
8Medicare enrollment records show Lisa Sumner reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85016
- Reassigned Medicare billing, Texas enrollment
- 599 clinicians in this Medicare group
Peridot, AZ 85542
- Reassigned Medicare billing, Texas enrollment
- 438 clinicians in this Medicare group
Cameron, AZ 86020
- Reassigned Medicare billing, Texas enrollment
- 540 clinicians in this Medicare group
Cibecue, AZ 85911
- Reassigned Medicare billing, Texas enrollment
- 214 clinicians in this Medicare group
Parker, AZ 85344
- Reassigned Medicare billing, Texas enrollment
- 208 clinicians in this Medicare group
Winterhaven, CA 92283
- Reassigned Medicare billing, Texas enrollment
- 59 clinicians in this Medicare group
Polacca, AZ 86042
- Reassigned Medicare billing, Texas enrollment
- 199 clinicians in this Medicare group
Elko, NV 89801
- Reassigned Medicare billing, Texas enrollment
- 18 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85016 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.
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.
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 Lisa Sumner's NPI number?
The NPI number for Lisa Sumner is 1962512012. It was assigned to this individual provider in the NPPES registry on August 30, 2006.
Where is Lisa Sumner located?
Lisa Sumner practices at 4212 N 16th St, Phoenix, AZ 85016. The listed phone number is (602) 263-1200.
What is Lisa Sumner's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Lisa Sumner enrolled in Medicare?
Yes. Lisa Sumner 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 Lisa Sumner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lisa Sumner reassigns Medicare benefits to 8 organizations: Dhew Ind Hlth Sv Hlth Svs & Mntl Hlth Adm (Phoenix, AZ), San Carlos Apache Healthcare Corporation (Peridot, AZ), Tuba City Regional Health Care Corporation (Cameron, AZ), Dhhs Ihs Phoenix Area (Cibecue, AZ), Dhhs Ihs Phoenix Area (Parker, AZ) and 3 more organizations, listed in the Medicare section above. 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 Lisa Sumner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Lisa Sumner was last updated on July 8, 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.
# Dr. Lisa Maureen Sumner, MD · NPI 1962512012
Rheumatology physician in Phoenix, Arizona. Individual provider, active in the CMS NPPES registry since August 30, 2006.
## Identity
- **NPI:** 1962512012 (Entity type: Individual)
- **Enumerated:** August 30, 2006
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 30956 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 4212 N 16TH ST, Phoenix, AZ 85016-5319
- **Phone:** (602) 263-1200 · **Fax:** (602) 263-1619
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Dhew Ind Hlth Sv Hlth Svs & Mntl Hlth Adm (NPI 1083643738, Phoenix, AZ); San Carlos Apache Healthcare Corporation (NPI 1265813075, Peridot, AZ); Tuba City Regional Health Care Corporation (NPI 1134382211, Cameron, AZ); Dhhs Ihs Phoenix Area (NPI 1427335181, Cibecue, AZ); Dhhs Ihs Phoenix Area (NPI 1851678585, Parker, AZ); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tufts University School Of Medicine, class of 1993
## Record status
- **NPPES last updated:** July 8, 2026
- **Other identifiers:** Medicaid 418732 (AZ); Other AZ0774220 (AZ)
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Source: [NPI Profile](https://npiprofile.com/npi/1962512012) · Data from the CMS NPPES public registry.