Lynn Y-Nhi Clewley, M.D.
Surgery Physician · Billings, MT
Lynn Y-Nhi Clewley, M.D. is a surgery physician with a practice address in Billings, Montana, and NPI 1598110561, issued on Apr 27, 2016. Check the license (Montana 100265, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Lynn Y-Nhi Clewley
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License numbers
- 100265 MT
8647 GA
Self-reported in NPPES; status is on the state search - Practice location
- 2800 10TH Ave N, Billings, MT 59101
- Phone
- (406) 238-2500
- Enumerated
- Apr 27, 2016
- Record last updated
- Nov 13, 2022
- Medicare enrollment
- Enrolled (PECOS I20210726002902); accepts Medicare assignment
- Medical or professional school
- University Of Utah School Of Medicine, 2016
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 136 in Montana → Look up another NPI →
Also registered at 2800 10TH Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ellen Absher, FNP-CFamily Nurse Practitioner1609709997
- Kimberly Ackerman, FNPAdult Health Nurse Practitioner1922032861
- Deborah Agnew, MDPediatrics Physician1134178072
- Stefan AlinteCertified Registered Nurse Anesthetist1518899053
- Erin Allen, MDPediatrics Physician1801052758
- Nathan Allen, M.D.Emergency Medicine Physician1356676878
Verify Lynn Y-Nhi Clewley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 100265Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average surgery physician in 2024
58 Medicare Part D claims for 29 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.
Most prescribed
- Metronidazole15 claims
- Neomycin Sulfate11 claims
- Ondansetron Hcl11 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.
The MIPS final score for 2023 (Medicare payment program): 94.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $722.98
3 payments; by number, the most common kind was travel and lodging; the largest payer was Applied Medical Resources Corporation. The 17,103 providers of this specialty with any payment received $3,513.80 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.
One hospital affiliation
- Billings ClinicBillings, MT · 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.
Lynn Y-Nhi Clewley among 136 surgery physician records in Montana
Lynn Y-Nhi Clewley, M.D. is one of 136 surgery physician records with a practice address in Montana. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 89% of them.
- NPI issued2016 · 89% of these records are older, 10% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2016 · median 2003 among the 92 with a school on file
- Record last updated2022 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Montana
There are 136 surgery physician records in Montana.
All 136 in Montana → Every provider in Billings → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- George Bentzel, MDBillings, MT 591011689699621
- Timothy Dernbach, MDBillings, MT 591011962440800
- Eric Dringman, MDBillings, MT 591011245262583
- Scott Dull, MDBillings, MT 591011174634919
- John Gregory, MDBillings, MT 591011861504847
- Paul Grmoljez, MDBillings, MT 591011831241785
- Kathryn Hatch, MDBillings, MT 591011275558215
- Terry Housinger, MDBillings, MT 591011790705234
Common questions
What is Lynn Y-Nhi Clewley, M.D.'s NPI number?
Lynn Y-Nhi Clewley, M.D.'s National Provider Identifier (NPI) is 1598110561, issued on Apr 27, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Lynn Y-Nhi Clewley, M.D. located?
The NPPES record lists a practice address at 2800 10TH Ave N, Billings, MT, 59101. Phone: (406) 238-2500. Providers update this record themselves, so call before visiting.
How can I verify Lynn Y-Nhi Clewley, M.D.'s license?
NPPES lists Montana license number 100265, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lynn Y-Nhi Clewley, M.D. prescribe under Medicare Part D?
In 2024, Lynn Y-Nhi Clewley, M.D. had 58 Medicare Part D claims for 29 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Lynn Y-Nhi Clewley, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.