Rosanne Barker, MD
NPI 1780624486 · Neurology Physician · Knoxville, TN
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rosanne Barker, MD is a Neurology Physician provider in Knoxville, TN (NPI 1780624486).
Provider details
- NPI number
- 1780624486
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- TN16922 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
1,252 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 | 837 | $110 |
| Sleep Study in Sleep Lab With Continuous Airway Pressure (6 Years Or Older)95811 | 210 | $537 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 113 | $78 |
| Sleep Study in Sleep Lab (6 Years Or Older)95810 | 61 | $515 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 31 | $144 |
Typical Medicare-allowed amounts for these services range $78–$537 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pramipexole Di-Hclbrand: Pramipexole Dihydrochloride | 416 | 121 |
| Modafinil | 285 | 70 |
| Ropinirole Hcl | 165 | 44 |
| Zaleplon | 154 | 32 |
| Doxepin Hcl | 148 | 51 |
| Temazepam | 129 | 22 |
| Clonazepam | 112 | 12 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$8,470 across 29 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
- 2006-06-08
- Last updated
- 2015-06-23
Frequently asked questions
- What is Rosanne Barker's NPI number?
- Rosanne Barker's National Provider Identifier (NPI) is 1780624486, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rosanne Barker's specialty?
- Rosanne Barker is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Rosanne Barker located?
- Rosanne Barker's practice location on file with NPPES is 1388 Papermill Pointe Way, Knoxville, TN 37909-1903.
- What is Rosanne Barker's phone number?
- The practice phone number listed in the NPPES registry for Rosanne Barker is (865) 584-3850.
- Does Rosanne Barker accept Medicare?
- Rosanne Barker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rosanne Barker's NPI active?
- Yes — Rosanne Barker's NPI (1780624486) is active in the NPPES registry as of the last update on 2015-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.