NPPES file of Aug 9, 2026

Lahnden Onger, MD

Anesthesiology Physician · Cleveland, OH

Lahnden Onger, MD is an anesthesiology physician with a practice address in Cleveland, Ohio, and NPI 1033505276, issued on Apr 14, 2015. Check the license (Ohio 35.137040, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033505276
Name
Lahnden Onger
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
35.137040 OH
Self-reported in NPPES; status is on the state search
Practice location
9500 Euclid Ave, Cleveland, OH 44195
Phone
(216) 444-2200
Enumerated
Apr 14, 2015
Record last updated
Jul 19, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20190816002648); accepts Medicare assignment
Medical or professional school
University Of Texas Medical Branch At Galveston, 2015
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 9500 Euclid Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ksenia Aaron, M.D.Otolaryngology Physician1891176582
  2. Maher Abbas, MDColon & Rectal Surgery Physician1508937491
  3. Mohammad Abbasi, MDClinical Cardiac Electrophysiology Physician1346730603
  4. Mahmoud AbbassyStudent in an Organized Health Care Education/Training Program1366872574
  5. Cassandra Abbatemarco, CNPPsychiatric/Mental Health Nurse Practitioner1417645144
  6. Walid Abboud, MDInternal Medicine Physician1245295559

Verify Lahnden Onger in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35.137040
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Ohio license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Industry payments in 2024: $17.29

1 payment: food and beverage; the largest payer was Medtronic, Inc. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lahnden Onger$17.29
  2. Specialty average$669.59

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Cleveland ClinicCleveland, OH · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Lahnden Onger among 2,068 anesthesiology physician records in Ohio

Lahnden Onger, MD is one of 2,068 anesthesiology physician records with a practice address in Ohio. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 76% of them.

  • NPI issued2015 · 76% of these records are older, 22% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2015 · median 2005 among the 1,382 with a school on file
  • Record last updated2019 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

519 anesthesiology physician records list a practice address in Cleveland

They are 519 of the 30,748 NPPES records with a practice address in Cleveland, and 2,068 anesthesiology physician records in Ohio.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Basem Abdelmalak, MDCleveland, OH 441951366403941
  2. Charanjit Bahniwal, M.D.Cleveland, OH 441951225028020
  3. Sabri Barsoum, MDCleveland, OH 441951326001520
  4. Sekar Bhavani, MDCleveland, OH 441951285697441
  5. Liwanag Calibag, MDCleveland, OH 441951295798387
  6. Daniel Clark, D.O.Cleveland, OH 441951851397004
  7. Tara Hata, MDCleveland, OH 441951386631646
  8. McCallum Hoyt, MD MBACleveland, OH 441951619956182

Common questions

What is Lahnden Onger, MD's NPI number?

Lahnden Onger, MD's National Provider Identifier (NPI) is 1033505276, issued on Apr 14, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Lahnden Onger, MD located?

The NPPES record lists a practice address at 9500 Euclid Ave, Cleveland, OH, 44195. Phone: (216) 444-2200. Providers update this record themselves, so call before visiting.

How can I verify Lahnden Onger, MD's license?

NPPES lists Ohio license number 35.137040, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. 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. 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.