Doctor profile · Federal record
Dr. Viswam Nair, MD
Pulmonary Disease Physician (CMS: Pulmonary Disease) · Pulmonary Disease Physician · Berkeley, CA
- NPI 1336336460
- Accepts Medicare
- 22 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
2850 Telegraph Ave Ste 120
Berkeley, CA 947051159
(510) 204-8140
fax (510) 506-7721 - Additional location
-
825 Eastlake Ave E
Seattle, WA 981094405
(206) 520-5000 - Additional location
-
4053 Lone Tree Way Ste 201
Antioch, CA 945316210
(510) 204-5479 - Mailing address
-
Po Box 276950
Sacramento, CA 958276950
Credentials & registration
- NPI registered
- October 2007 — 19 yrs on file
- Profile last updated
- September 18, 2025
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207RP1001X — NUCC code
- State licenses (2)
- California #A93740 · Washington #MD60959262
- Medicaid
- WA #1336336460
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336336460. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
329
Distinct HCPCS
8
Medicare allowed
$18,029
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
94729 |
Test to examine how well the lungs exchange gases | 72 | 69 | $9 | |
94726 |
Test to determine lung volumes using sensors | 66 | 64 | $12 | |
94010 |
Test to measure expiratory airflow and volume | 62 | 60 | $9 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 45 | 39 | $105 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 30 | 25 | $154 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 20 | 20 | $143 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 19 | 19 | $194 | |
94060 |
Test to measure expiratory airflow and volume changes before and after medication administration | 15 | 15 | $10 |
In context: peer comparison
Among 2 peers in Berkeley Pulmonary Disease Physician, average services per provider: 56. This provider delivers 5.9× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Viswam Nair's medical specialty?
Dr. Viswam Nair practices Pulmonary Disease Physician in Berkeley, CA.
Where does Dr. Viswam Nair practice?
Dr. Viswam Nair practices at 2850 Telegraph Ave Ste 120, Berkeley, CA 947051159. Office phone: 5102048140.
What is Dr. Viswam Nair's NPI?
Dr. Viswam Nair's National Provider Identifier (NPI) is 1336336460, issued by NPPES.
Does Dr. Viswam Nair accept Medicare assignment?
Yes. Dr. Viswam Nair accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Viswam Nair commonly perform?
Top Medicare-reported procedures in 2023: Test to examine how well the lungs exchange gases (HCPCS 94729); Test to determine lung volumes using sensors (HCPCS 94726); Test to measure expiratory airflow and volume (HCPCS 94010). Source: CMS Medicare Physician & Other Practitioners file.