JOHN ALLAN WARK (MD) – Anesthesiology Physician, NPI 1265597017

Anesthesiology Physician

JOHN ALLAN WARK (MD) is a healthcare provider. based in Reno, Nevada. specializing in Anesthesiology Physician. They hold the professional credentials MD. They hold a License No. 4320 (NV). The NPI Number for JOHN ALLAN WARK (MD) is 1265597017

Main info

Male

52 Years Of Experience

Accepts Medicare Assignment

Name

JOHN ALLAN WARK (MD)

NPI

1265597017

Phone

(775) 348-1900

Address

300 SOUTH ARLINGTON AVENUE

Enumeration Date

22 December 2006

Last Update Date

8 July 2007

Doctor Profile

Medical School Name

OTHER

Secondary Phone

7753317000

Graduation Year

1974 (52 years ago)

PAC ID

8527228303

Group Practice PAC ID

6800889064

Professional Enrollment ID

I20120402000620

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 ALLAN WARK (MD)

300, South Arlington Avenue, Powning Addition, Reno, Washoe County, Nevada, 89501, United States
RENO, NV 895012002
Phone: (775) 348-1900
Fax: (775) 348-1904
Type: Mailing
Saint Mary's Regional Medical Center, 235, West 6th Street, Reno, Washoe County, Nevada, 89503, United States
SAINT MARYS REGIONAL MEDICAL CENTER
RENO, NV 895034548
Phone: (775) 770-3000
Type: Location

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.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

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 89501)

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Provider's Procedures

JOHN ALLAN WARK (MD) performs procedures in Anesthesiology Physician. See the list of HCPCS codes below.

Specialty	Practice State	HCPCS Code	Description	Service Count	Beneficiary Count
ANESTHESIOLOGY	NV	00142	Anesthesia for lens surgery	15	15
ANESTHESIOLOGY	NV	36620	Insertion of arterial catheter for blood sampling or infusion, accessed through the skin	12	12

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.

PAC ID: 6800889064View full group profile

Name	Specialty	State
BRETT E WINTHROP (MD)	A N E S T H E S I O L O G Y	NV
DONALD MILLER JR. MASON (MD)	-	NV
DIRK GRAY FLETCHER (MD)	-	NV
MICHAEL MARKOSIAN (M.D.)	-	NV
HARRY ALLEN ENGLISH (MD)	-	NV
DR. MELVIN L NUTTER (D.O.)	-	NV
BRIAN WILLIAM DUBOIS (MD)	-	NV
JOBIN NASH (M.D.)	A N E S T H E S I O L O G Y	NV
DR. KATHLEEN JUAREZ (M.D.)	-	NV
JERRY S. MATSUMURA (MD)	-	NV