Carla Hartman, FNP-BC
NPI 1578816393 · Family Nurse Practitioner · Knoxville, TN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carla Hartman, FNP-BC is a Family Nurse Practitioner provider in Knoxville, TN (NPI 1578816393).
Provider details
- NPI number
- 1578816393
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 17074 (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
13 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
385 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 | 183 | $97 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 163 | $11 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 22 | $71 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 17 | $9 |
Typical Medicare-allowed amounts for these services range $9–$97 (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 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 142 | 54 |
| Metoprolol Succinate | 113 | 40 |
| Furosemide | 110 | 39 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 104 | 38 |
| Metoprolol Tartrate | 84 | 37 |
| Lisinopril | 81 | 29 |
| Apixaban |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,200 across 60 records (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
- 2012-10-17
- Last updated
- 2018-01-29
Frequently asked questions
- What is Carla Hartman's NPI number?
- Carla Hartman's National Provider Identifier (NPI) is 1578816393, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carla Hartman's specialty?
- Carla Hartman is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Carla Hartman located?
- Carla Hartman's practice location on file with NPPES is 8635 Middlebrook Pike, Knoxville, TN 37923-1612.
- What is Carla Hartman's phone number?
- The practice phone number listed in the NPPES registry for Carla Hartman is (865) 584-4747.
- Does Carla Hartman accept Medicare?
- Carla Hartman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carla Hartman's NPI active?
- Yes — Carla Hartman's NPI (1578816393) is active in the NPPES registry as of the last update on 2018-01-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.