JOHN A SHIELDS M.D.
NPI 1811912330
Internal Medicine - Hematology & Oncology in Reno, NV

Q: What is John Shields's NPI number?

The NPI number for John Shields is 1811912330. It was assigned to this individual provider in the NPPES registry on July 13, 2006.

Q: What is John Shields's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for John Shields was last updated on May 22, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.

Active since July 13, 2006PECOS Enrolled

5423 RENO CORPORATE DR., RENO, NV 89511(775) 329-0873(775) 329-1026 Get Directions Write a Review

NPPES record last updated: May 22, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 22, 2019, Nov 21, 2018 (2 updates tracked since 2018).

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About John A Shields M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN A SHIELDS M.D. (NPI 1811912330) is an individual hematology & oncology provider in Reno, Nevada, licensed in Nevada (3362) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1811912330

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameJOHN A SHIELDSCredential: M.D.

Location Address5423 RENO CORPORATE DR.Reno, NV 89511-2250

Mailing Address5423 Reno Corporate DrReno, NV 89511-2250 · (775) 329-0873 · Fax (775) 329-1026

Phone(775) 329-0873

Fax(775) 329-1026

Sole ProprietorNo

Enumeration DateJuly 13, 2006

Last NPPES UpdateMay 22, 20192 updates tracked since enumeration

✔ NPI 1811912330 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in NV · 3362

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

5423 RENO CORPORATE DR., Reno, NV 89511

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Other Identifiers 1

Medicaid002016019NV

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

John A Shields M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show John Shields reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

John A Shields MD And Steven A Schiff MD A Professional Corporation

Same address

Hematology & Oncology

5423 RENO CORPORATE DR
Reno, NV 89511

Reassigned Medicare billing, Nevada enrollment
29 clinicians in this Medicare group

NPI 1861514580 (775) 329-0873

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 89511 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$173.24 typical visit price

range $57.07 – $173.24

Typical copayment $43.31 (range $14.26 – $43.31)

Most-billed visit code 99205

Established Patient

$100.60 typical visit price

range $18.27 – $140.96

Typical copayment $25.15 (range $4.56 – $35.24)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 10

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SANTHOSH AMBIKA MD

Internal Medicine (Hematology & Oncology)