Stewart Alan Lonky, M.D.
Pulmonary Disease Physician · Los Angeles, CA
Stewart Alan Lonky, M.D. is a pulmonary disease physician with a practice address in Los Angeles, California, and NPI 1033145941, issued on Jun 23, 2006. Check the license (California G025948, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stewart Alan Lonky
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- G025948 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8540 S Sepulveda Blvd, Los Angeles, CA 90045
- Phone
- (310) 216-1007
- Enumerated
- Jun 23, 2006
- Record last updated
- Jan 25, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20041026000888); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 1971
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 8540 S Sepulveda Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stewart Alan Lonky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G025948Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
437 Medicare Part D claims for 24 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. 33 claims were for opioids.
Most prescribed
- Omeprazole34 claims
- Albuterol Sulfate Hfa26 claims
- Furosemide23 claims
- Amlodipine Besylate19 claims
- Atorvastatin Calcium19 claims
- Tramadol Hcl19 claims
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.
Industry payments in 2024: $99.99
1 payment: education; the largest payer was Harmony Biosciences LLC. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Stewart Alan Lonky among 1,443 pulmonary disease physician records in California
Stewart Alan Lonky, 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 fileYes · 74% of these records are
- Graduated1971 · median 2002 among the 1,061 with a school on file
- Record last updated2016 · 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 Los Angeles → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Navid Hakimian Md A Professional CorpLos Angeles, CA 900451619979606
- Mohammad Ansari, M.D.Los Angeles, CA 900481164520581
- David Balfe, M.D.Los Angeles, CA 900481265410146
- Jagan Bansal, M.D.Los Angeles, CA 900421932102456
- Jeremy Falk, M.D.West Hollywood, CA 900481114953890
- Sara Ghandehari, M.D.West Hollywood, CA 900481245336270
- Jameel Hourani, DOLos Angeles, CA 900481356379580
- Michael Lewis, M.D.Los Angeles, CA 900481801824941
Common questions
What is Stewart Alan Lonky, M.D.'s NPI number?
Stewart Alan Lonky, M.D.'s National Provider Identifier (NPI) is 1033145941, issued on Jun 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stewart Alan Lonky, M.D. located?
The NPPES record lists a practice address at 8540 S Sepulveda Blvd, Los Angeles, CA, 90045. Phone: (310) 216-1007. Providers update this record themselves, so call before visiting.
How can I verify Stewart Alan Lonky, M.D.'s license?
NPPES lists California license number G025948, 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 Stewart Alan Lonky, M.D. prescribe under Medicare Part D?
In 2024, Stewart Alan Lonky, M.D. had 437 Medicare Part D claims for 24 beneficiaries; 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.