Jon Gregory McKellar, MD
Family Medicine Physician · Klamath Falls, OR
Jon Gregory McKellar, MD is a family medicine physician with a practice address in Klamath Falls, Oregon, and NPI 1275521916, issued on Oct 6, 2005. Check the license (Oregon MD11585, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jon Gregory McKellar
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD11585 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2218 Shallock Ave, Klamath Falls, OR 97601
- Phone
- (541) 883-8134
- Enumerated
- Oct 6, 2005
- Record last updated
- May 16, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (541) 883-1510
- Medicare enrollment
- Enrolled (PECOS I20080421000316); accepts Medicare assignment
- Medical or professional school
- University Of Hawaii John A. Burns School Of Medicine, 1976
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 2218 Shallock Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joann Eiman, PAMedical Physician Assistant1558784413
- Amy Holweger, FNPFamily Nurse Practitioner1902870835
- Melonie Parrish, PAMedical Physician Assistant1992942585
Verify Jon Gregory McKellar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD11585Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% more Medicare Part D claims than the average family medicine physician in 2024
5,472 Medicare Part D claims for 402 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 385 claims were for opioids.
Most prescribed
- Atorvastatin Calcium301 claims
- Lisinopril228 claims
- Levothyroxine Sodium223 claims
- Amlodipine Besylate210 claims
- Hydrocodone-Acetaminophen194 claims
- Hydrochlorothiazide187 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.
Bills Medicare through one group practice
- Cofas IncKlamath Falls, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jon Gregory McKellar among 2,847 family medicine physician records in Oregon
Jon Gregory McKellar, MD is one of 2,847 family medicine physician records with a practice address in Oregon. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1976 · median 2009 among the 1,671 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 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
69 family medicine physician records list a practice address in Klamath Falls
They are 69 of the 1,946 NPPES records with a practice address in Klamath Falls, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Klamath Falls → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kathleen Bakke, M.D.Klamath Falls, OR 976011306891189
- Carl Barbee, MDKlamath Falls, OR 976011790723658
- Charles Bury, MDKlamath Falls, OR 976011174511810
- James Calvert, MDKlamath Falls, OR 976011477578961
- Ralph Eccles, D.OKlamath Falls, OR 976011659304459
- Alden Glidden, M.D.Klamath Falls, OR 976011386691897
- Joyce Hollander-Rodriguez, MDKlamath Falls, OR 976011649219882
- Robert Jackman, MDKlamath Falls, OR 976011922047612
Common questions
What is Jon Gregory McKellar, MD's NPI number?
Jon Gregory McKellar, MD's National Provider Identifier (NPI) is 1275521916, issued on Oct 6, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jon Gregory McKellar, MD located?
The NPPES record lists a practice address at 2218 Shallock Ave, Klamath Falls, OR, 97601. Phone: (541) 883-8134. Providers update this record themselves, so call before visiting.
How can I verify Jon Gregory McKellar, MD's license?
NPPES lists Oregon license number MD11585, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jon Gregory McKellar, MD prescribe under Medicare Part D?
In 2024, Jon Gregory McKellar, MD had 5,472 Medicare Part D claims for 402 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.