JOHN A SHIELDS (M.D.) – Hematology & Oncology Physician, NPI 1811912330

JOHN A SHIELDS (M.D.) is a healthcare provider. based in Reno, Nevada. specializing in Hematology & Oncology Physician. They hold the professional credentials M.D.. They hold a License No. 3362 (NV). The NPI Number for JOHN A SHIELDS (M.D.) is 1811912330

Main info

Male
Name
JOHN A SHIELDS (M.D.)
NPI
1811912330
Phone
(775) 329-0873
Address
5423 RENO CORPORATE DR
Enumeration Date
13 July 2006
Last Update Date
22 May 2019
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for JOHN A SHIELDS (M.D.)

  • 5423, Reno Corporate Drive, Reno, Washoe County, Nevada, 89511, United States

    RENO, NV 895112250

    Phone: (775) 329-0873

    Fax: (775) 329-1026

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2011-09-06

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20110906000725IHematology/OncologyNVTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 89511)

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Provider's Procedures

JOHN A SHIELDS (M.D.) performs procedures in Hematology & Oncology Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
HEMATOLOGY/ONCOLOGYNV96367Infusion into a vein for therapy prevention or diagnosis additional sequential infusion up to 1 hour17348
HEMATOLOGY/ONCOLOGYNV96375Injection of different drug or substance into a vein for therapy, diagnosis, or prevention22058
HEMATOLOGY/ONCOLOGYNV96415Infusion of chemotherapy into a vein8522

Reviews

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Frequently asked questions

Is JOHN A SHIELDS (M.D.) listed with a National Provider Identifier?
Yes — JOHN A SHIELDS (M.D.) has NPI 1811912330 on file in the registry.
Is JOHN A SHIELDS (M.D.) shown as active in public data?
Registry records indicate JOHN A SHIELDS (M.D.) maintains an active NPI.
What kind of doctor is JOHN A SHIELDS (M.D.)?
JOHN A SHIELDS (M.D.) is associated with Hematology & Oncology Physician in the directory — Clinical services aligned with this taxonomy classification.
What practice footprint exists for JOHN A SHIELDS (M.D.)?
Travel planning: use Reno, Nevada as the reference point for JOHN A SHIELDS (M.D.), then confirm.
What does 2 location(s) imply?
2 practice locations appear in the available data.

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