Katie Warren, D.O.
NPI 1477879856 · Neurology Physician · Meadville, PA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katie Warren, D.O. is a Neurology Physician provider in Meadville, PA (NPI 1477879856).
Provider details
- NPI number
- 1477879856
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- OS017335 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
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
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
310 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 | 118 | $95 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 85 | $64 |
| Injection of Chemical for Paralysis of Facial and Neck Nerve Muscles on Both Sides of Face64615 | 36 | $120 |
| Measurement of Brain Wave Activity (eeg), Awake and Drowsy95816 | 19 | $55 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 18 | $127 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 69 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 227 | 51 |
| Pregabalin | 186 | 31 |
| Lamotrigine | 152 | 32 |
| Donepezil Hcl | 148 | 34 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 130 | 29 |
| Primidone | 126 | 27 |
| Memantine Hcl | 123 | 28 |
| Amitriptyline Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,960 across 89 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
- 2010-04-11
- Last updated
- 2015-08-04
Frequently asked questions
- What is Katie Warren's NPI number?
- Katie Warren's National Provider Identifier (NPI) is 1477879856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katie Warren's specialty?
- Katie Warren is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Katie Warren located?
- Katie Warren's practice location on file with NPPES is 765 Liberty St, Meadville, PA 16335-2566.
- What is Katie Warren's phone number?
- The practice phone number listed in the NPPES registry for Katie Warren is (814) 333-3929.
- Does Katie Warren accept Medicare?
- Katie Warren is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katie Warren's NPI active?
- Yes — Katie Warren's NPI (1477879856) is active in the NPPES registry as of the last update on 2015-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.