Oren Joshua Lakser, M.D.
Pediatric Pulmonology Physician · Chicago, IL
Oren Joshua Lakser, M.D. is a pediatric pulmonology physician with a practice address in Chicago, Illinois, and NPI 1811098965, issued on Sep 25, 2006. Check the license (Illinois 036-102877, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Oren Joshua Lakser
- Credential
- M.D.
- Primary taxonomy
- Pediatric Pulmonology Physician 2080P0214X
- License numbers
- 036-102877 IL
036102877 IL
Self-reported in NPPES; status is on the state search - Practice location
- 225 E Chicago Ave # 43, Chicago, IL 60611
- Phone
- (312) 227-6260
- Enumerated
- Sep 25, 2006
- Record last updated
- Apr 26, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicaid IDs
- 1811098965 WI
036102877 IL - Entity
- Type 1 · individual
8 nearest pediatric pulmonology physician records → All 42 in Illinois → Look up another NPI →
Also registered at 225 E Chicago Ave # 43
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexandra Kacena, MSN, APN, CPNP-PCPediatric Nurse Practitioner1437938156
- Mary Kate McIntyre, APRNPediatric Nurse Practitioner1437852688
- Erin O'Donohue, APNFamily Nurse Practitioner1912235565
- Emily Simmons, APRNPediatric Nurse Practitioner1609844281
Verify Oren Joshua Lakser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036-102877Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average pediatric pulmonology physician in 2024
15 Medicare Part D claims, against an average of 119 among the 263 providers of this specialty who prescribed in Part D. Brand-name drugs were 93% of claims.
Most prescribed
- Levalbuterol Tartrate Hfa12 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.
Oren Joshua Lakser among 42 pediatric pulmonology physician records in Illinois
Oren Joshua Lakser, M.D. is one of 42 pediatric pulmonology physician records with a practice address in Illinois. 45% 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 17% of them.
- NPI issued2006 · 17% of these records are older, 60% newer
- In a Medicare fileYes · 45% of these records are
- In the CMS Doctors and Clinicians fileNo · 24% of these records are
- Record last updated2018 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0214X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Pulmonology Physician providers in Illinois
There are 42 pediatric pulmonology physician records in Illinois.
All 42 in Illinois → Every provider in Chicago → Pediatric Pulmonology Physician nationwide →
The 8 pediatric pulmonology physician records with the nearest ZIP codes
- Matthew Abts, MDChicago, IL 606111588989750
- Marco Almeda, MDChicago, IL 606111720585383
- Kathleen Boyne, M.D.Chicago, IL 606111316381924
- Patricia Martin-HoytChicago, IL 606111912534645
- John Palla, M.D.Chicago, IL 606111699188623
- Janaki Paskaradevan, MDChicago, IL 606111205271129
- David Spielberg, M.D.Chicago, IL 606111104110832
- Sindhuja Harsha Vardhan, MDChicago, IL 606121639345598
Common questions
What is Oren Joshua Lakser, M.D.'s NPI number?
Oren Joshua Lakser, M.D.'s National Provider Identifier (NPI) is 1811098965, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Oren Joshua Lakser, M.D. located?
The NPPES record lists a practice address at 225 E Chicago Ave # 43, Chicago, IL, 60611. Phone: (312) 227-6260. Providers update this record themselves, so call before visiting.
How can I verify Oren Joshua Lakser, M.D.'s license?
NPPES lists Illinois license number 036-102877, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Oren Joshua Lakser, M.D. prescribe under Medicare Part D?
In 2024, Oren Joshua Lakser, M.D. had 15 Medicare Part D claims; the average among pediatric pulmonology physician prescribers was 119. 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.