Youngsook Yoon, M.D.
Pulmonary Disease Physician · Toledo, OH
Youngsook Yoon, M.D. is a pulmonary disease physician with a practice address in Toledo, Ohio, and NPI 1023004272, issued on Sep 23, 2005. Check the license (Ohio 35078566, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Youngsook Yoon
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License numbers
- 35078566 OH
35.078566 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Regency CT, Toledo, OH 43623
- Phone
- (419) 720-0317
- Enumerated
- Sep 23, 2005
- Record last updated
- Feb 5, 2026
- Fax
- (419) 720-0319
- Medicaid ID
- 2189840 OH
- Medicare enrollment
- Enrolled (PECOS I20040205001162); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 659 in Ohio → Look up another NPI →
Also registered at 1000 Regency CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Bates, MDInternal Medicine Physician1720071053
- Diane Baughman, PTPhysical Therapist1891707295
- Dino Costa, O.D.Optometrist1659376978
- Carol German, O.D.Optometrist1093710337
- Kevin KnierimDentist1841420585
- Khalil Raffoul, M.D.Ophthalmology Physician1407851736
Verify Youngsook Yoon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35078566Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
59 Medicare Part D claims for 20 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 66% of claims.
Most prescribed
- Albuterol Sulfate Hfa19 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: $416.22
10 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. 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.
Bills Medicare through one group practice
- University OF Toledo Physicians LLCToledo, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Youngsook Yoon among 659 pulmonary disease physician records in Ohio
Youngsook Yoon, M.D. is one of 659 pulmonary disease physician records with a practice address in Ohio. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 78% of these records are
- Graduated1984 · median 2005 among the 516 with a school on file
- Record last updated2026 · 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 207RP1001X and a Ohio 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 Ohio
There are 659 pulmonary disease physician records in Ohio.
All 659 in Ohio → Every provider in Toledo → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Fateh Ahmed, MDToledo, OH 436231306844956
- Nasir Ali, MDToledo, OH 436231447257282
- Jeffrey Hammersley, M.D.Toledo, OH 436231639165897
- Shakil Khan, MDToledo, OH 436231205834868
- Mohammad Mahboob, MDToledo, OH 436231164429924
- Dan Olson, M.D.Toledo, OH 436231568458578
- Nader Zeitouni, MDToledo, OH 436231144273616
- Priyanka JainOregon, OH 436161124405899
Common questions
What is Youngsook Yoon, M.D.'s NPI number?
Youngsook Yoon, M.D.'s National Provider Identifier (NPI) is 1023004272, issued on Sep 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Youngsook Yoon, M.D. located?
The NPPES record lists a practice address at 1000 Regency CT, Toledo, OH, 43623. Phone: (419) 720-0317. Providers update this record themselves, so call before visiting.
How can I verify Youngsook Yoon, M.D.'s license?
NPPES lists Ohio license number 35078566, 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.
How much does Youngsook Yoon, M.D. prescribe under Medicare Part D?
In 2024, Youngsook Yoon, M.D. had 59 Medicare Part D claims for 20 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.