Benjamin Seth Chaffins, FNP-BC
Family Nurse Practitioner · Knoxville, TN
Benjamin Seth Chaffins, FNP-BC is a family nurse practitioner with a practice address in Knoxville, Tennessee, and NPI 1629524855, issued on Aug 28, 2016. Check the license (Tennessee 21482, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Benjamin Seth Chaffins
- Credential
- FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 21482 TN
Self-reported in NPPES; status is on the state search - Practice location
- 9330 Park West Blvd, Knoxville, TN 37923
- Phone
- (865) 373-7942
- Enumerated
- Aug 28, 2016
- Record last updated
- Oct 28, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (865) 373-7235
- Medicaid ID
- Q023938 TN
- Medicare enrollment
- Enrolled (PECOS I20161019003099); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 9,060 in Tennessee → Look up another NPI →
Also registered at 9330 Park West Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Benjamin Seth Chaffins in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
Search for license 21482Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.9 times the Medicare Part D claims of the average family nurse practitioner in 2024
7,725 Medicare Part D claims for 1,180 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Eliquis723 claims
- Metoprolol Succinate589 claims
- Furosemide573 claims
- Carvedilol480 claims
- Atorvastatin Calcium431 claims
- Clopidogrel385 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 MIPS final score for 2023 (Medicare payment program): 81.9 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Covenant Medical Group IncLoudon, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Benjamin Seth Chaffins among 9,060 family nurse practitioner records in Tennessee
Benjamin Seth Chaffins, FNP-BC is one of 9,060 family nurse practitioner records with a practice address in Tennessee. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 45% of them.
- NPI issued2016 · 45% of these records are older, 50% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2016 · median 2017 among the 5,523 with a school on file
- Record last updated2016 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
737 family nurse practitioner records list a practice address in Knoxville
They are 737 of the 14,339 NPPES records with a practice address in Knoxville, and 9,060 family nurse practitioner records in Tennessee.
All 9,060 in Tennessee → Every provider in Knoxville → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Jay Andross, FNPKnoxville, TN 379231558681171
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- Anita Buckle, APNKnoxville, TN 379231396823183
- Catherine Custer, FNPKnoxville, TN 379231144328543
- Leslie Doepker, ARNPKnoxville, TN 379231255697447
- Rachel Farmer, FNPKnoxville, TN 379231841558400
- Jane Gertz, CRNPKnoxville, TN 379231962474825
- Regena Gosnell, APNKnoxville, TN 379231477823839
Common questions
What is Benjamin Seth Chaffins, FNP-BC's NPI number?
Benjamin Seth Chaffins, FNP-BC's National Provider Identifier (NPI) is 1629524855, issued on Aug 28, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Seth Chaffins, FNP-BC located?
The NPPES record lists a practice address at 9330 Park West Blvd, Knoxville, TN, 37923. Phone: (865) 373-7942. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Seth Chaffins, FNP-BC's license?
NPPES lists Tennessee license number 21482, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
How much does Benjamin Seth Chaffins, FNP-BC prescribe under Medicare Part D?
In 2024, Benjamin Seth Chaffins, FNP-BC had 7,725 Medicare Part D claims for 1,180 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Benjamin Seth Chaffins, FNP-BC's MIPS final score?
The 2023 MIPS final score is 81.9 of 100. 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.