Gary S. Lachenmyer, P.A.
Physician Assistant · Bend, OR
Gary S. Lachenmyer, P.A. is a physician assistant with a practice address in Bend, Oregon, and NPI 1821095928, issued on Jul 5, 2005. Check the license (Oregon PA00640, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gary S. Lachenmyer
- Credential
- P.A.
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA00640 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2200 NE Neff RD., Bend, OR 97701
- Phone
- (541) 382-3344
- Enumerated
- Jul 5, 2005
- Record last updated
- Mar 4, 2025
- Fax
- (541) 382-1681
- Medicare enrollment
- Enrolled (PECOS I20100719000227); accepts Medicare assignment
- Medical or professional school
- University Of Alabama School Of Medicine, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 2200 NE Neff RD.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Verheyden, M.D.Orthopaedic Hand Surgery Physician1013912591
Verify Gary S. Lachenmyer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license PA00640Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average physician assistant in 2024
506 Medicare Part D claims for 190 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 245 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen95 claims
- Oxycodone Hcl91 claims
- Cyclobenzaprine Hcl78 claims
- Hydrocodone-Acetaminophen44 claims
- Methocarbamol41 claims
- Tizanidine Hcl30 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 practice group's MIPS final score for 2023 (Medicare payment program): 73.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- St Charles Health System IncRedmond, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
186 physician assistant records list a practice address in Bend
They are 186 of the 5,313 NPPES records with a practice address in Bend, and 2,094 physician assistant records in Oregon.
All 186 in Bend → All 2,094 in Oregon → Every provider in Bend →
Other physician assistant records in Oregon
- Taylor Abdala, PAStayton, OR1528694221
- Sanyi Yoseph AbdissaHermiston, OR1083356018
- Emad Aboujaoude, PAPortland, OR1982619490
- Aaron AbrahamHappy Valley, OR1063186823
- Erika Acuna, PA-CPortland, OR1881072775
- Heather Adair, PA-CTigard, OR1568749539
- John Adair, PA-CIrrigon, OR1578873477
- Kylee AdamekBend, OR1326720186
- Julie Adams, PA-CHillsboro, OR1710078779
- Danielle Addleman, PAPendleton, OR1669745469
Common questions
What is Gary S. Lachenmyer, P.A.'s NPI number?
Gary S. Lachenmyer, P.A.'s National Provider Identifier (NPI) is 1821095928, issued on Jul 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gary S. Lachenmyer, P.A. located?
The NPPES record lists a practice address at 2200 NE Neff RD., Bend, OR, 97701. Phone: (541) 382-3344. Providers update this record themselves, so call before visiting.
How can I verify Gary S. Lachenmyer, P.A.'s license?
NPPES lists Oregon license number PA00640, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Gary S. Lachenmyer, P.A. prescribe under Medicare Part D?
In 2024, Gary S. Lachenmyer, P.A. had 506 Medicare Part D claims for 190 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Gary S. Lachenmyer, P.A.'s MIPS final score?
The 2023 MIPS final score is 73.2 of 100, reported for the practice group. 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.