Chelsea Mercer, FNP
NPI 1093171001 · Family Nurse Practitioner · Knoxville, TN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chelsea Mercer, FNP is a Family Nurse Practitioner provider in Knoxville, TN (NPI 1093171001).
Provider details
- NPI number
- 1093171001
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 20990 (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 tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
200 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 78 | $100 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 55 | $11 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 54 | $71 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 13 | $86 |
Typical Medicare-allowed amounts for these services range $11–$100 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 44 | 40 |
| Gabapentin | 29 | 14 |
| Alprazolam | 29 | 17 |
| Zolpidem Tartrate | 21 | 12 |
| Montelukast Sodium | 18 | 12 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 15 | 15 |
| Azithromycin | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$18 across 1 record (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
Registry dates
- Enumerated
- 2016-01-06
- Last updated
- 2018-05-14
Frequently asked questions
- What is Chelsea Mercer's NPI number?
- Chelsea Mercer's National Provider Identifier (NPI) is 1093171001, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chelsea Mercer's specialty?
- Chelsea Mercer is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Chelsea Mercer located?
- Chelsea Mercer's practice location on file with NPPES is 1225 E Weisgarber Rd, Knoxville, TN 37909.
- What is Chelsea Mercer's phone number?
- The practice phone number listed in the NPPES registry for Chelsea Mercer is (865) 584-4747.
- Does Chelsea Mercer accept Medicare?
- Chelsea Mercer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chelsea Mercer's NPI active?
- Yes — Chelsea Mercer's NPI (1093171001) is active in the NPPES registry as of the last update on 2018-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.