NORA G. SINGER MD
NPI 1255351821
Internal Medicine - Rheumatology in Tucson, AZ
About Nora G. Singer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NORA G. SINGER MD (NPI 1255351821) is an individual rheumatology provider in Tucson, Arizona, licensed in Arizona (81039) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Metrohealth System, and is a graduate of Albany Medical College Of Union University (1987).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 8
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
Nora G. Singer 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 Reassignment
Medicare enrollment records show Nora Singer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cleveland, OH 44109
- Reassigned Medicare billing, Ohio enrollment
- 2,147 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 4
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Metrohealth System
Acute Care Hospitals · Cleveland, OHPhysician 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.
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.
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 Nora Singer's NPI number?
The NPI number for Nora Singer is 1255351821. It was assigned to this individual provider in the NPPES registry on July 19, 2006.
Where is Nora Singer located?
Nora Singer practices at 2800 E Ajo Way, Tucson, AZ 85713. The listed phone number is (520) 696-2200.
What is Nora Singer's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Nora Singer enrolled in Medicare?
Yes. Nora Singer 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 Nora Singer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nora Singer reassigns Medicare benefits to The Metrohealth System (Cleveland, OH). 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 Nora Singer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nora Singer accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and Anthem Blue Cross and Blue Shield and 4 other insurers list Nora Singer 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.
Is Nora Singer affiliated with any hospitals?
According to CMS data, Nora Singer is affiliated with Metrohealth System.
When was this NPI record last updated?
The NPPES record for Nora Singer was last updated on October 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 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.
# Nora G. Singer, MD · NPI 1255351821
Rheumatology physician in Tucson, Arizona. Individual provider, active in the CMS NPPES registry since July 19, 2006.
## Identity
- **NPI:** 1255351821 (Entity type: Individual)
- **Enumerated:** July 19, 2006
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** 81039 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 2800 E AJO WAY, Tucson, AZ 85713-6204
- **Phone:** (520) 696-2200 · **Fax:** (520) 626-2587
## 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:** The Metrohealth System (NPI 1053353896, Cleveland, OH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albany Medical College Of Union University, class of 1987
## Record status
- **NPPES last updated:** October 14, 2026
- **Other identifiers:** Other 000000526127; Medicaid 0018873500001 (PA); Other 364016; and 5 more
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Source: [NPI Profile](https://npiprofile.com/npi/1255351821) · Data from the CMS NPPES public registry.