Benjamin Chaffins, FNP-BC
NPI 1629524855 · Family Nurse Practitioner · Knoxville, TN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Benjamin Chaffins, FNP-BC is a Family Nurse Practitioner provider in Knoxville, TN (NPI 1629524855).
Provider details
- NPI number
- 1629524855
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Male
- Sole proprietor
- No
- License
- 21482 (TN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,315 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,105 | $102 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 447 | $11 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 253 | $63 |
| Anticoagulant Management of Patient Taking Warfarin93793 | 176 | $9 |
| Blood Test, Clotting Time85610 | 166 | $4 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 67 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 723 | 159 |
| Metoprolol Succinate | 589 | 166 |
| Furosemide | 573 | 171 |
| Carvedilol | 480 | 138 |
| Atorvastatin Calcium | 431 | 133 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 385 | 125 |
| Metoprolol Tartrate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-08-28
- Last updated
- 2016-10-28
Frequently asked questions
- What is Benjamin Chaffins's NPI number?
- Benjamin Chaffins's National Provider Identifier (NPI) is 1629524855, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Benjamin Chaffins's specialty?
- Benjamin Chaffins is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Benjamin Chaffins located?
- Benjamin Chaffins's practice location on file with NPPES is 9330 Park West Blvd, Knoxville, TN 37923-4308.
- What is Benjamin Chaffins's phone number?
- The practice phone number listed in the NPPES registry for Benjamin Chaffins is (865) 373-7942.
- Does Benjamin Chaffins accept Medicare?
- Benjamin Chaffins is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Benjamin Chaffins's NPI active?
- Yes — Benjamin Chaffins's NPI (1629524855) is active in the NPPES registry as of the last update on 2016-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.