Linda S. Efferen, MD
Pulmonary Disease Physician · Hauppauge, NY
Linda S. Efferen, MD is a pulmonary disease physician with a practice address in Hauppauge, New York, and NPI 1558431908, issued on Nov 9, 2006. Check the license (New York 156065, as entered in NPPES) on the NYS Education Department, Office of the Professions; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Linda S. Efferen
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 156065 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1383 Veterans Memorial Hwy, Hauppauge, NY 11788
- Phone
- (631) 638-1397
- Enumerated
- Nov 9, 2006
- Record last updated
- Jun 16, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,230 in New York → Look up another NPI →
Also registered at 1383 Veterans Memorial Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erin Flader, DPTPhysical Therapist1104330505
Verify Linda S. Efferen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 156065Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Linda S. Efferen among 1,230 pulmonary disease physician records in New York
Linda S. Efferen, MD is one of 1,230 pulmonary disease physician records with a practice address in New York. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 47% newer
- In a Medicare fileNo · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2016 · 60% 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 New York 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 New York
There are 1,230 pulmonary disease physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,230 in New York → Every provider in Hauppauge → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Seth Koenig, M.D.Hauppauge, NY 117881255467783
- Scott Capustin, M.D.Smithtown, NY 117871770517211
- Francis Dipalo, DOSmithtown, NY 117871538259965
- Avram Gold, M.D.Smithtown, NY 117871851326433
- Nadia Hasaneen, M.DSmithtown, NY 117871174790109
- Chelsey Malhas, MDSmithtown, NY 117871730708694
- Brian Margolis, MDSmithtown, NY 117871336156892
- Anthony Spadaro, M.D.Smithtown, NY 117871225065386
Common questions
What is Linda S. Efferen, MD's NPI number?
Linda S. Efferen, MD's National Provider Identifier (NPI) is 1558431908, issued on Nov 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Linda S. Efferen, MD located?
The NPPES record lists a practice address at 1383 Veterans Memorial Hwy, Hauppauge, NY, 11788. Phone: (631) 638-1397. Providers update this record themselves, so call before visiting.
How can I verify Linda S. Efferen, MD's license?
NPPES lists New York license number 156065, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.