Nellie May Wirsing, MD
Family Medicine Physician · Klamath Falls, OR
Nellie May Wirsing, MD is a family medicine physician with a practice address in Klamath Falls, Oregon, and NPI 1932129483, issued on Jul 20, 2006. Check the license (Oregon MD25316, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nellie May Wirsing
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD25316 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2821 Daggett Ave Ste 100, Klamath Falls, OR 97601
- Phone
- (541) 274-6733
- Enumerated
- Jul 20, 2006
- Record last updated
- Feb 11, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (541) 274-2006
- Medicare enrollment
- Enrolled (PECOS I20061004000644); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Also registered at 2821 Daggett Ave Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carl Barbee, MDFamily Medicine Physician1790723658
- Dayna Barbee, LPC CADCIIIMental Health Counselor1811298706
- Kip BeckwithPhysician Assistant1023738010
- Liana BloomStudent in an Organized Health Care Education/Training Program1427859693
- Madeline Boyd, MDHospice and Palliative Medicine (Family Medicine) Physician1083167118
- Michaela Carlson, FNP-CFamily Nurse Practitioner1881322360
Verify Nellie May Wirsing in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD25316Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average family medicine physician in 2024
901 Medicare Part D claims for 133 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
- Levothyroxine Sodium62 claims
- Atorvastatin Calcium47 claims
- Rosuvastatin Calcium41 claims
- Losartan Potassium32 claims
- Amlodipine Besylate28 claims
- Metformin Hcl26 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: $2,750.00
2 payments; by number, the most common kind was compensation for serving as faculty or as a speaker for a medical education program; the largest payer was Organon Llc. 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.
Bills Medicare through one group practice
- Sky Lakes Medical Center IncKlamath Falls, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nellie May Wirsing among 2,847 family medicine physician records in Oregon
Nellie May Wirsing, 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 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 fileYes · 59% of these records are
- Graduated2003 · median 2009 among the 1,671 with a school on file
- Record last updated2020 · 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 Nellie May Wirsing, MD's NPI number?
Nellie May Wirsing, MD's National Provider Identifier (NPI) is 1932129483, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nellie May Wirsing, MD located?
The NPPES record lists a practice address at 2821 Daggett Ave Ste 100, Klamath Falls, OR, 97601. Phone: (541) 274-6733. Providers update this record themselves, so call before visiting.
How can I verify Nellie May Wirsing, MD's license?
NPPES lists Oregon license number MD25316, 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 Nellie May Wirsing, MD prescribe under Medicare Part D?
In 2024, Nellie May Wirsing, MD had 901 Medicare Part D claims for 133 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.