Louann Carnahan, D.O.
NPI 1386961696 · Neurology Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louann Carnahan, D.O. is a Neurology Physician provider in Tucson, AZ (NPI 1386961696).
Provider details
- NPI number
- 1386961696
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
117 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) |
|---|---|---|
| Measurement of Brain Wave Activity (eeg), Awake and Drowsy95816 | 63 | $54 |
| Measurement of Brain Wave Activity (eeg), Awake and Asleep95819 | 54 | $54 |
Typical Medicare-allowed amounts for these services range $54–$54 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levetiracetam | 70 | 42 |
| Lamotrigine | 38 | 23 |
| Carbamazepinebrand: Carbamazepine Er | 26 | — |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 23 | — |
| Phenytoin Sodium Extended | 20 | — |
| Zonisamide | 17 | — |
| Topiramate | 14 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$64 across 4 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
- 2010-04-26
- Last updated
- 2016-02-29
Frequently asked questions
- What is Louann Carnahan's NPI number?
- Louann Carnahan's National Provider Identifier (NPI) is 1386961696, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louann Carnahan's specialty?
- Louann Carnahan is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Louann Carnahan located?
- Louann Carnahan's practice location on file with NPPES is 2450 E River Rd, Tucson, AZ 85718-6526.
- What is Louann Carnahan's phone number?
- The practice phone number listed in the NPPES registry for Louann Carnahan is (520) 795-7750.
- Does Louann Carnahan accept Medicare?
- Louann Carnahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louann Carnahan's NPI active?
- Yes — Louann Carnahan's NPI (1386961696) is active in the NPPES registry as of the last update on 2016-02-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.