Neihl Williamson, PA-C
Physician Assistant · Williamsport, PA
Neihl Williamson, PA-C is a physician assistant with a practice address in Williamsport, Pennsylvania, and NPI 1508237223, issued on Oct 8, 2015. Check the license (Pennsylvania MA057897, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Neihl Williamson
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- MA057897 PA
Self-reported in NPPES; status is on the state search - Practice location
- 1205 Grampian Blvd Ste 3C, Williamsport, PA 17701
- Phone
- (703) 207-8005
- Enumerated
- Oct 8, 2015
- Record last updated
- Jul 11, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (570) 320-7801
- Medicare enrollment
- Enrolled (PECOS I20151029000867); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 8,020 in Pennsylvania → Look up another NPI →
Also registered at 1205 Grampian Blvd Ste 3C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cameron Glagola, DOFamily Medicine Physician1477046845
- Laura Maxwell-Rankin, CRNPNurse Practitioner1447951702
Verify Neihl Williamson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license MA057897Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average physician assistant in 2024
1,949 Medicare Part D claims for 250 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 55 claims were for opioids.
Most prescribed
- Levothyroxine Sodium60 claims
- Omeprazole60 claims
- Atorvastatin Calcium57 claims
- Prednisone56 claims
- Amlodipine Besylate52 claims
- Lisinopril50 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Phoenix Rehabilitation And Health Services IncCranberry Township, PA
- Susquehanna Physician ServicesWilliamsport, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Neihl Williamson among 8,020 physician assistant records in Pennsylvania
Neihl Williamson, PA-C is one of 8,020 physician assistant records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 41% of them.
- NPI issued2015 · 41% of these records are older, 56% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2015 · median 2018 among the 5,313 with a school on file
- Record last updated2018 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
137 physician assistant records list a practice address in Williamsport
They are 137 of the 1,371 NPPES records with a practice address in Williamsport, and 8,020 physician assistant records in Pennsylvania.
All 8,020 in Pennsylvania → Every provider in Williamsport → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Sheryl BakerWilliamsport, PA 177011952370033
- Bruce Body, PA-CWilliamsport, PA 177011467430942
- Jennifer Bressler, PA-CWilliamsport, PA 177011861487886
- Wayne Butler, PA-CWilliamsport, PA 177011205801107
- Richard Davies, PA-CWilliamsport, PA 177011316913494
- Kelly FarrellWilliamsport, PA 177011285602722
- Nancy GuerriskyWilliamsport, PA 177011093761728
- Charles Haney, PA-CWilliamsport, PA 177011619946498
Common questions
What is Neihl Williamson, PA-C's NPI number?
Neihl Williamson, PA-C's National Provider Identifier (NPI) is 1508237223, issued on Oct 8, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Neihl Williamson, PA-C located?
The NPPES record lists a practice address at 1205 Grampian Blvd Ste 3C, Williamsport, PA, 17701. Phone: (703) 207-8005. Providers update this record themselves, so call before visiting.
How can I verify Neihl Williamson, PA-C's license?
NPPES lists Pennsylvania license number MA057897, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
How much does Neihl Williamson, PA-C prescribe under Medicare Part D?
In 2024, Neihl Williamson, PA-C had 1,949 Medicare Part D claims for 250 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
What is Neihl Williamson, PA-C's MIPS final score?
The 2023 MIPS final score is 81.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.