Jean B. Lenk, M.D.
Internal Medicine Physician · Willoughby, OH
Jean B. Lenk, M.D. is an internal medicine physician with a practice address in Willoughby, Ohio, and NPI 1770570335, issued on Sep 29, 2005. Check the license (Ohio 35058732, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Jean B. Lenk
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 35058732 OH
Self-reported in NPPES; status is on the state search - Practice location
- 36100 Euclid Ave, Willoughby, OH 44094
- Phone
- (440) 946-4070
- Enumerated
- Sep 29, 2005
- Record last updated
- Sep 2, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (440) 946-4071
- Medicaid ID
- 0819663 OH
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 36100 Euclid Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Laura Bailey, MDInternal Medicine Physician1770699019
- Hannah Bourgeois, R.PH.Pharmacist1932656576
Verify Jean B. Lenk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35058732Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average internal medicine physician in 2024
954 Medicare Part D claims for 172 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium65 claims
- Levothyroxine Sodium60 claims
- Losartan Potassium60 claims
- Farxiga57 claims
- Metoprolol Succinate57 claims
- Amlodipine Besylate56 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: $55.29
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Jean B. Lenk among 5,277 internal medicine physician records in Ohio
Jean B. Lenk, M.D. is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% 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, 87% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2020 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 internal medicine physician records list a practice address in Willoughby
They are 24 of the 1,110 NPPES records with a practice address in Willoughby, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Willoughby → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Stephen Archacki, MDEuclid, OH 440941376526053
- Syed Ashraf, M.D.Willoughby, OH 440941760431860
- Laura Bailey, MDWilloughby, OH 440941770699019
- Mitchell Ballin, MDWilloughby, OH 440941104866565
- Mihaela Donca, M.D.Willoughby, OH 440941881635670
- Sujata Khosla, M.DWilloughby, OH 440941730198425
- Sandeep Kotak, MDWilloughby, OH 440941013023357
- Inna Krasnyansky, M.D.Willoughby, OH 440941053312298
Common questions
What is Jean B. Lenk, M.D.'s NPI number?
Jean B. Lenk, M.D.'s National Provider Identifier (NPI) is 1770570335, issued on Sep 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jean B. Lenk, M.D. located?
The NPPES record lists a practice address at 36100 Euclid Ave, Willoughby, OH, 44094. Phone: (440) 946-4070. Providers update this record themselves, so call before visiting.
How can I verify Jean B. Lenk, M.D.'s license?
NPPES lists Ohio license number 35058732, 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 Jean B. Lenk, M.D. prescribe under Medicare Part D?
In 2024, Jean B. Lenk, M.D. had 954 Medicare Part D claims for 172 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.