VISWAM S. NAIR MD – NPI #1336336460
Internal Medicine

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

VISWAM NAIR is a physician located in BERKELEY, CA. NPPES has assigned the NPI number 1336336460 to VISWAM NAIR on October 02, 2007. It is a Type-1 NPI, indicating this NPI number is associated with an individual. According to the NPI Registry, there are 2 additional location(s) assigned to this provider which are listed below. The primary taxonomy selected by this provider is 207RP1001X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Pulmonary Disease

The NPI profile was last updated on Sep 18, 2025. 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 VISWAM NAIR below.

NPI Profile for
VISWAM S. NAIR

NPI Number
1336336460
Enumeration Date

(more than 18 years ago)
Entity Type
Type-1  Individual (Male)
Legal Name
VISWAM S. NAIR
Credentials
MD
Primary location
2850 TELEGRAPH AVE STE 120
BERKELEY, CA 94705-1159
Phone: (510) 204-8140 Fax: (510) 506-7721
2 Other location(s):
4053 Lone Tree Way Ste 201
Antioch, CA 94531-6210
Phone: (510) 204-5479
Fax: (510) 506-7721
825 Eastlake Ave E
Seattle, WA 98109-4405
Phone: (206) 520-5000
Mailing address
PO BOX 276950
SACRAMENTO, CA 95827-6950
Phone: Fax:
Sole Proprietor
No
Updated
Certification Date
Sep 18, 2025

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Identifiers

Identifiers for VISWAM NAIR

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
medicaidWA1336336460
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
207RP1001X
- Internal Medicine / Pulmonary Disease (Primary)
CA A93740

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.

Additional Information

Offers Telehealth Services
Yes - Telehealth services allows you to talk to your health care provider using audio/video communications, such as Zoom, without actually going in to the doctor's office
Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
VISWAM NAIR is affiliated with the following medical group(s):
  • HOSPITAL
    • UNIVERSITY OF WASHINGTON MEDICAL CTR
      1959 NE PACIFIC ST BOX 356151
      SEATTLE, WA 98195

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.