James Patrick Wolfenbarger, FNP
Nurse Practitioner · Knoxville, TN
James Patrick Wolfenbarger, FNP is a nurse practitioner with a practice address in Knoxville, Tennessee, and NPI 1265421507, issued on Oct 19, 2005. Check the license (Tennessee 08092, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James Patrick Wolfenbarger
- Credential
- FNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 08092 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1415 Old Weisgarber RD Ste 200, Knoxville, TN 37909
- Phone
- (865) 934-5800
- Enumerated
- Oct 19, 2005
- Record last updated
- Apr 12, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (865) 934-5801
- Medicare enrollment
- Enrolled (PECOS I20051025000885); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 2,303 in Tennessee → Look up another NPI →
Also registered at 1415 Old Weisgarber RD Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James Patrick Wolfenbarger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
Search for license 08092Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average nurse practitioner in 2024
245 Medicare Part D claims for 110 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 44 claims were for opioids.
Most prescribed
- Anastrozole28 claims
- Hydrocodone-Acetaminophen24 claims
- Hydroxyurea13 claims
- Letrozole12 claims
- Eliquis11 claims
- Oxycodone Hcl11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,114.63
50 payments; by number, the most common kind was food and beverage; the largest payer was Genentech USA, Inc. The 38,884 providers of this specialty with any payment received $791.64 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
- Tennessee Cancer Specialists PLLCKnoxville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Patrick Wolfenbarger among 2,303 nurse practitioner records in Tennessee
James Patrick Wolfenbarger, FNP is one of 2,303 nurse practitioner records with a practice address in Tennessee. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 96% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2001 · median 2017 among the 1,331 with a school on file
- Record last updated2021 · 49% 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 Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
275 nurse practitioner records list a practice address in Knoxville
They are 275 of the 14,339 NPPES records with a practice address in Knoxville, and 2,303 nurse practitioner records in Tennessee.
All 2,303 in Tennessee → Every provider in Knoxville → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Denise Anderson, NPKnoxville, TN 379091396735288
- Pamela Brown, FNPKnoxville, TN 379091528053022
- Gary Crotty, FNPKnoxville, TN 379091629010392
- Darrell Dobbins, FNPKnoxville, TN 379091821082348
- Robert Hawkins, N.P.Knoxville, TN 379091013968775
- Amanda Lentz, FNPKnoxville, TN 379091487652764
- Donna Lephew, NPKnoxville, TN 379091992740070
- Kristin Mix, FNP, APMHNPKnoxville, TN 379091730173261
Common questions
What is James Patrick Wolfenbarger, FNP's NPI number?
James Patrick Wolfenbarger, FNP's National Provider Identifier (NPI) is 1265421507, issued on Oct 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James Patrick Wolfenbarger, FNP located?
The NPPES record lists a practice address at 1415 Old Weisgarber RD Ste 200, Knoxville, TN, 37909. Phone: (865) 934-5800. Providers update this record themselves, so call before visiting.
How can I verify James Patrick Wolfenbarger, FNP's license?
NPPES lists Tennessee license number 08092, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
How much does James Patrick Wolfenbarger, FNP prescribe under Medicare Part D?
In 2024, James Patrick Wolfenbarger, FNP had 245 Medicare Part D claims for 110 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
What is James Patrick Wolfenbarger, FNP's MIPS final score?
The 2023 MIPS final score is 76.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.