Doctor profile · Federal record

Dr. Katie Warren, D.O.

Neurology Physician (CMS: Neurology) · Student in an Organized Health Care Education/Training Program · Meadville, PA

  • NPI 1477879856
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
765 Liberty St, Ste 303
Meadville, PA 163352566
(814) 333-3929
fax (814) 373-3539
Mailing address
1034 Grove St
Meadville, PA 163352945

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
August 4, 2015
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State licenses (2)
Pennsylvania #OS017335 · New York #62966

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477879856. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
331
Distinct HCPCS
8
Medicare allowed
$27,979
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 96 70 $95
99213 Established patient office or other outpatient visit, 20-29 minutes 86 71 $65
64615 Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face 41 15 $120
95816 Measurement of brain wave activity (eeg), awake and drowsy 36 33 $55
99212 Established patient office or other outpatient visit, 10-19 minutes 21 20 $34
99204 New patient office or other outpatient visit, 45-59 minutes 19 19 $131
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 18 18 $128
99213 Established patient office or other outpatient visit, 20-29 minutes 14 11 $61

In context: peer comparison

Among 2 peers in this city , average services per provider: 47. This provider delivers 7.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,960
Transactions
79
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 35 $416.56
UCB, Inc. 13 $270.97
Eisai Inc. 9 $166.96
JAZZ PHARMACEUTICALS INC. 2 $127.22
Janssen Pharmaceuticals, Inc 1 $124.90
Teva Pharmaceuticals USA, Inc. 2 $102.87
MDD US Operations, LLC 1 $99.42
TG Therapeutics, Inc. 2 $90.33
EMD Serono, Inc. 1 $70.22
Alexion Pharmaceuticals, Inc. 2 $67.49
PFIZER INC. 3 $54.74
LivaNova USA, Inc. 2 $44.41
Lundbeck LLC 2 $42.10
Boston Scientific Corporation 2 $36.84
ARGENX US, INC. 2 $36.52

By nature of payment

Food and Beverage
$1,872
Education
$87

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,829
Patients
358
Total drug cost
$105,261
Drug Type Claims Patients Total cost
Gabapentin Generic 208 44 $6,554
Pregabalin Generic 186 31 $7,086
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 182 34 $9,180
Primidone Generic 148 27 $4,253
Donepezil Hcl Generic 140 33 $2,059
Lamotrigine Generic 131 24 $3,552
Ropinirole Hcl Generic 126 29 $2,685
Memantine Hcl Generic 116 22 $5,829
Topiramate Generic 112 25 $3,183
Levetiracetam Generic 108 21 $4,750

Frequently asked questions

Auto-generated from federal data
What is Dr. Katie Warren's medical specialty?
Dr. Katie Warren practices Neurology Physician in Meadville, PA.
Where does Dr. Katie Warren practice?
Dr. Katie Warren practices at 765 Liberty St, Meadville, PA 163352566. Office phone: 8143333929.
What is Dr. Katie Warren's NPI?
Dr. Katie Warren's National Provider Identifier (NPI) is 1477879856, issued by NPPES.
Does Dr. Katie Warren accept Medicare assignment?
Yes. Dr. Katie Warren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katie Warren commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face (HCPCS 64615). Source: CMS Medicare Physician & Other Practitioners file.