Doctor profile · Federal record

Dr. Walter Fasenmyer, CRNP

Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Seneca, PA

  • NPI 1558079384
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Fairfield Dr
Seneca, PA 163462130
(814) 676-7900

Credentials & registration

NPPES · NUCC
NPI registered
November 2022 — 4 yrs on file
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State license (1)
Pennsylvania #SP026575

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558079384. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
395
Distinct HCPCS
2
Medicare allowed
$22,669
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 343 234 $54
99214 Established patient office or other outpatient visit, 30-39 minutes 52 38 $80

In context: peer comparison

Among 1 peers in this city , average services per provider: 197. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$297
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Janssen Biotech, Inc. 1 $122.54
Exelixis Inc. 1 $99.95
Merck Sharp & Dohme LLC 1 $74.64

By nature of payment

Food and Beverage
$197
Education
$100

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
421
Patients
91
Total drug cost
$38,796
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 73 27 $1,529
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 47 19 $960
Potassium Chloride Generic 47 13 $1,333
Anastrozole Generic 33 14 $1,363
Fentanyl Generic 27 0 $3,130
Ondansetron Hcl Generic 26 18 $395
Warfarin Sodium Generic 26 0 $347
Eliquis (Apixaban) Brand 24 0 $17,583
Omeprazole Generic 24 0 $416
Gabapentin Generic 22 0 $379

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Walter Fasenmyer's medical specialty?
Dr. Walter Fasenmyer practices Adult Health Nurse Practitioner in Seneca, PA.
Where does Dr. Walter Fasenmyer practice?
Dr. Walter Fasenmyer practices at 100 Fairfield Dr, Seneca, PA 163462130. Office phone: 8146767900.
What is Dr. Walter Fasenmyer's NPI?
Dr. Walter Fasenmyer's National Provider Identifier (NPI) is 1558079384, issued by NPPES.
Does Dr. Walter Fasenmyer accept Medicare assignment?
Yes. Dr. Walter Fasenmyer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Walter Fasenmyer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.