Nellie Wirsing, MD
NPI 1932129483 · Family Medicine Physician · Klamath Falls, OR
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nellie Wirsing, MD is a Family Medicine Physician provider in Klamath Falls, OR (NPI 1932129483).
Provider details
- NPI number
- 1932129483
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD25316 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
450 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 149 | $63 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 88 | $95 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 74 | $76 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 30 | $48 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 25 | $79 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 62 | 18 |
| Atorvastatin Calcium | 47 | 18 |
| Rosuvastatin Calcium | 41 | — |
| Losartan Potassium | 32 | — |
| Amlodipine Besylate | 28 | — |
| Metformin Hcl | 26 | — |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,750 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 2801 Daggett AveKlamath Falls, OR 97601-7150Phone: (541) 274-6733
Registry dates
- Enumerated
- 2006-07-20
- Last updated
- 2020-02-11
- Certified
- 2020-02-11
Frequently asked questions
- What is Nellie Wirsing's NPI number?
- Nellie Wirsing's National Provider Identifier (NPI) is 1932129483, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nellie Wirsing's specialty?
- Nellie Wirsing is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nellie Wirsing located?
- Nellie Wirsing's practice location on file with NPPES is 2821 Daggett Ave Ste 100, Klamath Falls, OR 97601-1106.
- What is Nellie Wirsing's phone number?
- The practice phone number listed in the NPPES registry for Nellie Wirsing is (541) 274-6733.
- Does Nellie Wirsing accept Medicare?
- Nellie Wirsing is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nellie Wirsing's NPI active?
- Yes — Nellie Wirsing's NPI (1932129483) is active in the NPPES registry as of the last update on 2020-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.