JOHN S. WILLIAMSON M.D. – NPI #1154341048
Internal Medicine

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

JOHN WILLIAMSON is a physician located in RENO, NV. NPPES has assigned the NPI number 1154341048 to JOHN WILLIAMSON on July 20, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 207RC0000X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Cardiovascular Disease

The NPI profile was previously updated about 8 years ago on Aug 20, 2018. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for JOHN WILLIAMSON below.

NPI Profile for
JOHN S. WILLIAMSON

NPI Number
1154341048
Enumeration Date

(about 20 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
JOHN S. WILLIAMSON
Credentials
M.D.
Primary location
1155 MILL ST
RENO, NV 89502
Phone: (775) 982-4270 Fax: (775) 982-4575
Mailing address
850 HARVARD WAY
RENO, NV 89502-2055
Phone: (775) 982-5262 Fax: (775) 982-5496
Sole Proprietor
No
Updated
Identifiers

Identifiers for JOHN WILLIAMSON

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

DescriptionIssuerStateIdentifier
OTHERBLUE CROSS BLUE SHIELDNVCC2344
MEDICAIDCAXPY183364
MEDICAIDNV1154341048
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207RC0000X
- Internal Medicine / Cardiovascular Disease (Primary)
NV 3868

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.