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Edit this profileAt a glance
- 145 Shaffer St, Williamsport, PA 17702
About Avery Williamson
Avery D. Williamson, PA-C is a physician assistant based in Williamsport, PA. According to Medicare claims data, Avery cared for 397 Medicare patients across 1,407 services. The services billed most often include injection, denosumab, 1 mg, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month. The provider's National Provider Identifier (NPI) is 1821548140.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (570) 327-1335
- Email not available
Practice Locations
145 SHAFFER ST
Williamsport, PA 17702
Procedures Most Often Billed to Medicare
1,407 services · 397 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
21 | Less often than most peers in Physician Assistant |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
49 | More than most peers in Physician Assistant |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
36 | As often as other peers in Physician Assistant |
| Injection, denosumab, 1 mg | Drug given | J0897 |
900 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
73 | As often as other peers in Physician Assistant |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
69 | As often as other peers in Physician Assistant |
| Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99439 |
64 | As often as other peers in Physician Assistant |
| Administration of influenza virus vaccine | Billing code | G0008 |
50 | More than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
48 | As often as other peers in Physician Assistant |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
38 | As often as other peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Other physician assistants in Williamsport 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2015 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in PA who bill this service to Medicare most often.
Common questions
What does Avery D. Williamson specialize in?
Avery D. Williamson is a physician assistant in Williamsport, PA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Avery D. Williamson located?
Avery D. Williamson is listed at 145 Shaffer St, Williamsport, PA 17702. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Avery D. Williamson's phone number?
The number on file is (570) 327-1335. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Avery D. Williamson's NPI number?
Avery D. Williamson's National Provider Identifier is 1821548140. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Avery D. Williamson train?
Avery D. Williamson attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How long has Avery D. Williamson been practicing?
Avery D. Williamson has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What does Avery D. Williamson do most often?
According to Medicare billing data, Avery D. Williamson performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as influenza vaccine split virus, preservative free and injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Avery D. Williamson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Avery D. Williamson. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.