Cathleen M. O'Farrell, M.D.
Family Medicine Physician · Klamath Falls, OR
Cathleen M. O'Farrell, M.D. is a family medicine physician with a practice address in Klamath Falls, Oregon, and NPI 1942248976, issued on Jun 3, 2006. Check the license on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Cathleen M. O'Farrell
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD00031107 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2074 S 6TH St, Klamath Falls, OR 97601
- Phone
- (541) 880-2011
- Enumerated
- Jun 3, 2006
- Record last updated
- Jan 30, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (360) 260-2217
- Medicaid IDs
- 170061 OR
1088673 WA - Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 2074 S 6TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brittney AgardCase Manager/Care Coordinator1841004736
- Scott Alexander, FNPFamily Nurse Practitioner1831439454
- Maria Alonso, RNCase Management Registered Nurse1578835856
- Roy Babb, PHARM.D.Pharmacist1912549544
- Brian Blackman, DNPFamily Nurse Practitioner1356173850
- Leonard Brennan, LPC, LCASProfessional Counselor1518323369
Verify Cathleen M. O'Farrell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average family medicine physician in 2024
229 Medicare Part D claims for 116 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Gabapentin15 claims
- Levothyroxine Sodium13 claims
- Atorvastatin Calcium12 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: $21.82
1 payment: food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 55,478 providers of this specialty with any payment received $902.55 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.
Cathleen M. O'Farrell among 2,847 family medicine physician records in Oregon
Cathleen M. O'Farrell, M.D. 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 53% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- 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 Cathleen M. O'Farrell, M.D.'s NPI number?
Cathleen M. O'Farrell, M.D.'s National Provider Identifier (NPI) is 1942248976, issued on Jun 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cathleen M. O'Farrell, M.D. located?
The NPPES record lists a practice address at 2074 S 6TH St, Klamath Falls, OR, 97601. Phone: (541) 880-2011. Providers update this record themselves, so call before visiting.
How can I verify Cathleen M. O'Farrell, M.D.'s license?
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 Cathleen M. O'Farrell, M.D. prescribe under Medicare Part D?
In 2024, Cathleen M. O'Farrell, M.D. had 229 Medicare Part D claims for 116 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.