Susan Johnston, APN
NPI 1194092692 · Adult Health Nurse Practitioner · Lenoir City, TN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susan Johnston, APN is a Adult Health Nurse Practitioner provider in Lenoir City, TN (NPI 1194092692).
Provider details
- NPI number
- 1194092692
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN
- Sex
- Female
- Sole proprietor
- Yes
- License
- APN0000016191 (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
14 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
324 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) |
|---|---|---|
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 191 | $60 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 133 | $100 |
Typical Medicare-allowed amounts for these services range $60–$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 · 82 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 181 | 19 |
| Amlodipine Besylate | 152 | 22 |
| Escitalopram Oxalate | 134 | 16 |
| Furosemide | 133 | 17 |
| Memantine Hcl | 86 | 12 |
| Potassium Chloride | 82 | — |
| Pantoprazole Sodium | 80 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-11-28
- Last updated
- 2025-09-05
- Certified
- 2025-09-05
Frequently asked questions
- What is Susan Johnston's NPI number?
- Susan Johnston's National Provider Identifier (NPI) is 1194092692, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Johnston's specialty?
- Susan Johnston is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Susan Johnston located?
- Susan Johnston's practice location on file with NPPES is 198 Morning Point Dr, Lenoir City, TN 37772-6448.
- What is Susan Johnston's phone number?
- The practice phone number listed in the NPPES registry for Susan Johnston is (865) 988-7373.
- Does Susan Johnston accept Medicare?
- Susan Johnston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susan Johnston's NPI active?
- Yes — Susan Johnston's NPI (1194092692) is active in the NPPES registry as of the last update on 2025-09-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.