NPPES file of Aug 9, 2026

Karen Lea Doerfler, ARNP

Nurse Practitioner · Asheville, NC

Karen Lea Doerfler, ARNP is a nurse practitioner with a practice address in Asheville, North Carolina, and NPI 1740231661, issued on May 15, 2006. Check the license (North Carolina 300373, as entered in NPPES) with the North Carolina board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1740231661
Name
Karen Lea Doerfler
Credential
ARNP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
300373 NC
3134692 FL
Self-reported in NPPES; status is on the state search
Practice location
41 Oakland RD Ste 100, Asheville, NC 28801
Phone
(828) 252-8885
Enumerated
May 15, 2006
Record last updated
Apr 12, 2018 (not updated in 8 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 41 Oakland RD Ste 100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Justin Parker, DOFamily Medicine Physician1689837023

Verify Karen Lea Doerfler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich North Carolina board licenses this profession
    Search for license 300373
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the North Carolina license search

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2.5 times the Medicare Part D claims of the average nurse practitioner in 2024

2,764 Medicare Part D claims for 435 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 104 claims were for opioids.

  1. Karen Doerfler2,764
  2. Specialty average1,109

Most prescribed

  1. Atorvastatin Calcium114 claims
  2. Hydrochlorothiazide101 claims
  3. Levothyroxine Sodium99 claims
  4. Amlodipine Besylate87 claims
  5. Rosuvastatin Calcium85 claims
  6. Lisinopril80 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.

Karen Lea Doerfler among 4,524 nurse practitioner records in North Carolina

Karen Lea Doerfler, ARNP is one of 4,524 nurse practitioner records with a practice address in North Carolina. 76% 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 85% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2018 · 34% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

198 nurse practitioner records list a practice address in Asheville

They are 198 of the 8,173 NPPES records with a practice address in Asheville, and 4,524 nurse practitioner records in North Carolina.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Deborah Baker, FNPAsheville, NC 288011235244872
  2. Carlye Conley, FNPAsheville, NC 288011255394292
  3. Suzanne Crater, RN, ANP-CAsheville, NC 288011710072913
  4. Judy Gamwell, N.P.Asheville, NC 288011275508129
  5. James Gundersen, NPAsheville, NC 288011972683274
  6. Marilyn Haas, ANPAsheville, NC 288011104806215
  7. Christine McClure, NPAsheville, NC 288011902914047
  8. Shirley Nesbitt, FNPAsheville, NC 288011265440580

Common questions

What is Karen Lea Doerfler, ARNP's NPI number?

Karen Lea Doerfler, ARNP's National Provider Identifier (NPI) is 1740231661, issued on May 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Karen Lea Doerfler, ARNP located?

The NPPES record lists a practice address at 41 Oakland RD Ste 100, Asheville, NC, 28801. Phone: (828) 252-8885. Providers update this record themselves, so call before visiting.

How can I verify Karen Lea Doerfler, ARNP's license?

NPPES lists North Carolina license number 300373, as entered by the provider. Search the North Carolina board that licenses this profession; the NPPES record confirms identity only.

How much does Karen Lea Doerfler, ARNP prescribe under Medicare Part D?

In 2024, Karen Lea Doerfler, ARNP had 2,764 Medicare Part D claims for 435 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.