JOHN A SHIELDS MD AND STEVEN A SCHIFF MD A PROFESSIONAL CORPORATION
NPI 1861514580
Internal Medicine - Hematology & Oncology in Reno, NV
About John A Shields Md And Steven A Schiff Md A Professional Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN A SHIELDS MD AND STEVEN A SCHIFF MD A PROFESSIONAL CORPORATION (NPI 1861514580), doing business as Cancer Care Specialists, is a healthcare organization registered as a hematology & oncology in Reno, Nevada and active in the NPI registry since April 2007. The organization maintains a secondary practice location in Reno and lists Wesley Falconer, Ceo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 3
Other Names 1
Secondary Practice Location 1
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
John A Shields Md And Steven A Schiff Md A Professional Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
29Medicare enrollment records show 29 clinicians reassign Medicare billing to John A Shields MD And Steven A Schiff MD A Professional Corporation, which bills Medicare for the services they deliver. Of these, 15 practice at this address and 20 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 6
Nearest to this location (20)
See all 29Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 John A Shields MD And Steven A Schiff MD A Professional Corporation's NPI number?
The NPI number for John A Shields MD And Steven A Schiff MD A Professional Corporation is 1861514580. It was assigned to this organization in the NPPES registry on April 4, 2007. The provider is doing business as Cancer Care Specialists.
Where is John A Shields MD And Steven A Schiff MD A Professional Corporation located?
John A Shields MD And Steven A Schiff MD A Professional Corporation is located at 5423 Reno Corporate Dr, Reno, NV 89511. The listed phone number is (775) 329-0873.
What is John A Shields MD And Steven A Schiff MD A Professional Corporation's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is John A Shields MD And Steven A Schiff MD A Professional Corporation enrolled in Medicare?
Yes. John A Shields MD And Steven A Schiff MD A Professional Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through John A Shields MD And Steven A Schiff MD A Professional Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 29 clinicians in 6 Medicare specialties reassign their Medicare billing to John A Shields MD And Steven A Schiff MD A Professional Corporation. A 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 the clinician's services. The largest specialties are Nurse Practitioner (9), Hematology/Oncology (8) and Diagnostic Radiology (6). Of these, 15 practice at this address and 20 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does John A Shields MD And Steven A Schiff MD A Professional Corporation accept?
Health plans from Ambetter Health, Ambetter from Arizona Complete Health and Molina Healthcare list John A Shields MD And Steven A Schiff MD A Professional Corporation 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 John A Shields MD And Steven A Schiff MD A Professional Corporation was last updated on February 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# John A Shields Md And Steven A Schiff Md A Professional Corporation · NPI 1861514580
Hematology & Oncology organization in Reno, Nevada. Organization record, active in the CMS NPPES registry since April 4, 2007.
## Identity
- **NPI:** 1861514580 (Entity type: Organization)
- **Enumerated:** April 4, 2007
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **Also known as:** Cancer Care Specialists (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Wesley Falconer, CEO
## Practice location
- **Address:** 5423 RENO CORPORATE DR, Reno, NV 89511
- **Phone:** (775) 329-0873 · **Fax:** (775) 329-1026
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 29 clinicians in 6 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (9), Hematology/Oncology (8), Diagnostic Radiology (6); 15 practice at this address and 20 within 10 miles; [full list](https://npiprofile.com/npi/1861514580/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 20, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1861514580) · Data from the CMS NPPES public registry.