Sj Salfen, M.D.
Pulmonary Disease Physician · San Jose, CA
Sj Salfen, M.D. is a pulmonary disease physician with a practice address in San Jose, California, and NPI 1477647485, issued on Oct 3, 2006. Check the license (California G29984, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Sj Salfen
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- G29984 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2520 Samaritan Dr, San Jose, CA 95124
- Phone
- (408) 356-8400
- Enumerated
- Oct 3, 2006
- Record last updated
- Nov 14, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (408) 356-0974
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 2520 Samaritan Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marwan Balaa, MDGastroenterology Physician1689652935
- Will Tseng, M.D.Critical Care Medicine (Internal Medicine) Physician1013176213
Verify Sj Salfen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G29984Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
12 Medicare Part D claims, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Sj Salfen among 1,443 pulmonary disease physician records in California
Sj Salfen, M.D. is one of 1,443 pulmonary disease physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 51% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 74% of these records are
- Record last updated2008 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in California
There are 1,443 pulmonary disease physician records in California.
All 1,443 in California → Every provider in San Jose → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Ali Bassiri, MDSan Jose, CA 951241316010275
- Paul Huang, MDSan Jose, CA 951241689753337
- Minhtruong Lai, MDSan Jose, CA 951241437204658
- Harish Murthy, MDSan Jose, CA 951241922074061
- Nisha Patel, MDSan Jose, CA 951241841797396
- Msalam Sara, M.D.San Jose, CA 951241760773931
- Robert Filuk, M.D.San Jose, CA 951261043317563
- Heng Duong, M.D.San Jose, CA 951281700142189
Common questions
What is Sj Salfen, M.D.'s NPI number?
Sj Salfen, M.D.'s National Provider Identifier (NPI) is 1477647485, issued on Oct 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sj Salfen, M.D. located?
The NPPES record lists a practice address at 2520 Samaritan Dr, San Jose, CA, 95124. Phone: (408) 356-8400. Providers update this record themselves, so call before visiting.
How can I verify Sj Salfen, M.D.'s license?
NPPES lists California license number G29984, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sj Salfen, M.D. prescribe under Medicare Part D?
In 2024, Sj Salfen, M.D. had 12 Medicare Part D claims; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.