MEDICARE: WARREN DAVID JOHNSTON 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	207RC0000X	Cardiovascular Disease Physician	G33255	CA

Medicare Identifiers

#	Provider Identifier	Provider Identifier Type	Provider Identifier State	Provider Identifier Issuer
1	DB3373	OTHER	CA	RAILROAD MEDICARE
2	W13988A	OTHER	CA	MEDICARE PTAN
3	060041547	OTHER	CA	RAILROAD MEDICARE
4	W13988	OTHER	CA	MEDICARE PTAN

Other Identifiers

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

General Provider Information

NPI Number	:	1427052802
Entity Type Code	:	Individual
Provider Name (Legal Business Name)	:	WARREN DAVID JOHNSTON MD

Provider Business Mailing Address
First Line	:	1140 W LA VETA AVE STE 430
Second Line	:
City	:	ORANGE
State	:	CA
Zip	:	92868-4226
Country	:	US
Telephone Number	:	714-543-5555
Fax Number	:	714-836-2427

Provider Business Practice Location Address
First Line	:	1140 W LA VETA AVE STE 430
Second Line	:
City	:	ORANGE
State	:	CA
Zip	:	92868-4226
Country	:	US
Telephone Number	:	714-543-5555
Fax Number	:	714-836-2427

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

Provider Enumeration Date	:	06/13/2005
Last Update Date	:	11/03/2021

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Directions to “ WARREN DAVID JOHNSTON MD” Practice Location

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