MEDICARE: W. JOHN SIAR MD

Medicare Provider Information

Scope of Practice

The following information about the specialty of the provider is available:

#	Taxonomy Code	Taxonomy	License Number	License Number State
1	208000000X	Pediatrics Physician	MD029080L	PA
2	2080N0001X	Neonatal-Perinatal Medicine Physician	MD029080L	PA

Other Identifiers

#	Provider Identifier	Provider Identifier Type	Provider Identifier State	Provider Identifier Issuer
1	MEDICAID ID Found: Get Medicaid Details using Online Medicaid Verification Program

General Provider Information

NPI Number	:	1639174055
Entity Type Code	:	Individual
Provider Name (Legal Business Name)	:	W. JOHN SIAR MD

Provider Business Mailing Address
First Line	:	635C MAPLE AVE
Second Line	:
City	:	DU BOIS
State	:	PA
Zip	:	15801-2377
Country	:	US
Telephone Number	:	814-371-1771
Fax Number	:

Provider Business Practice Location Address
First Line	:	635C MAPLE AVE
Second Line	:
City	:	DU BOIS
State	:	PA
Zip	:	15801-2377
Country	:	US
Telephone Number	:	814-371-1771
Fax Number	:

Authorized Official
Title or Position	:
Name	:
Credential	:
Telephone Number	:

Provider Enumeration Date	:	06/14/2005
Last Update Date	:	09/11/2025

Similar Medicare Providers

1104881648 — GATEWAY AREA MEDICAL PCP
Practice Location Address:

635C MAPLE AVE
DU BOIS, PA
15801-2377

Practice Phone: 814-371-1771
Practice Fax: 814-371-4417

1760448716 — GATEWAY AREA MEDICAL SPEC
Practice Location Address:

635C MAPLE AVE
DU BOIS, PA
15801-2377

Practice Phone: 814-371-1771
Practice Fax: 814-371-4417

1326629742 — KATHRYN TAYLOR CRNP
Practice Location Address:

135 MIDWAY DR STE B
DU BOIS, PA
15801-3857

Practice Phone: 814-371-2348
Practice Fax: 814-372-6089

1184627580 — DENNIS E KIRST C.R.N.A.
Practice Location Address:

100 HOSPITAL AVE , PENN HIGHLANDS DUBOIS CRNA'S
DU BOIS, PA
15801-1440

Practice Phone: 814-371-2200
Practice Fax:

1780688366 — DR. MICHAEL M HALL MD
Practice Location Address:

145 HOSPITAL AVE , STE 104
DU BOIS, PA
15801-1463

Practice Phone: 814-375-8055
Practice Fax: 814-375-8056

1619971108 — TRACI L TYGER PA-C
Practice Location Address:

100 HOSPITAL AVE , HAHNE REGIONAL CANCER CENTER/RADIATION ONCOLOGY
DU BOIS, PA
15801-1440

Practice Phone: 814-375-3535
Practice Fax: 814-375-3529

Directions to “ W. JOHN SIAR MD” Practice Location

Language	Start Address	Practice Location

These directions are for planning purposes only. You may find that construction projects, traffic, or other events may cause road conditions to differ from the map results.

Copyright © 2007-2026 (Powered by Swiss Vault Engine), all rights reserved. HIPAA liability, trademark, document use and software licensing rules apply. All registered trademarks, used in the content, are the property of their owners. Your interactions with this site are in accordance with our Terms of Use and Privacy Policy.