Doctor profile · Federal record

Dr. Neihl Williamson, PA-C

Physician Assistant · Williamsport, PA

  • NPI 1508237223
  • Accepts Medicare
  • MIPS 81.5 / 100 · 2023
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1205 Grampian Blvd Ste 3C
Williamsport, PA 17701
(703) 207-8005
fax (570) 320-7801
Mailing address
1201 Grampian Blvd
Williamsport, PA 177011900

Credentials & registration

NPPES · NUCC
NPI registered
October 2015 — 11 yrs on file
Profile last updated
July 11, 2018
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Pennsylvania #MA057897

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508237223. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
435
Distinct HCPCS
5
Medicare allowed
$30,929
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 185 130 $105
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 102 21 $1
99213 Established patient office or other outpatient visit, 20-29 minutes 99 84 $74
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 26 26 $106
20610 Aspiration and/or injection of fluid from large joint 23 22 $60

In context: peer comparison

Among 36 peers in Williamsport Physician Assistant, average services per provider: 67. This provider delivers 6.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
655
Patients
128
Total drug cost
$66,268
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 74 22 $1,263
Amlodipine Besylate Generic 71 17 $749
Gabapentin Generic 66 12 $1,347
Omeprazole Generic 60 18 $936
Prednisone Generic 49 36 $143
Metformin Hcl Generic 40 0 $370
Duloxetine Hcl Generic 39 0 $1,285
Levothyroxine Sodium Generic 38 11 $530
Lisinopril Generic 35 0 $293
Losartan Potassium Generic 32 12 $578

Frequently asked questions

Auto-generated from federal data
What is Dr. Neihl Williamson's medical specialty?
Dr. Neihl Williamson practices Physician Assistant in Williamsport, PA.
Where does Dr. Neihl Williamson practice?
Dr. Neihl Williamson practices at 1205 Grampian Blvd Ste 3C, Williamsport, PA 17701. Office phone: 7032078005.
What is Dr. Neihl Williamson's NPI?
Dr. Neihl Williamson's National Provider Identifier (NPI) is 1508237223, issued by NPPES.
Does Dr. Neihl Williamson accept Medicare assignment?
Yes. Dr. Neihl Williamson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Neihl Williamson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.