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Edit this profileAt a glance
- 30 Harrison St Ste 460, Johnson City, NY 13790
About Christopher Williamson
Christopher D. Williamson, PA-C is a physician assistant practicing in Johnson City, NY. Christopher is also listed as specializing in physician assistant — surgical. According to Medicare claims data, Christopher cared for 97 Medicare patients across 128 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, insertion of cage or mesh device to spine bone and disc space during spine fusion, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes. This provider record is associated with NPI 1164408712.
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
- (607) 763-8101
- Email not available
Practice Locations
30 HARRISON ST STE 460
Johnson City, NY 13790
Procedures Most Often Billed to Medicare
128 services · 97 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of cage or mesh device to spine bone and disc space during spine fusion | Procedure | 22853 |
31 | As often as other peers in Physician Assistant |
| Placement of stabilizing device to back, 3-6 spine bone segments | Procedure | 22842 |
11 | Less often 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 |
55 | As often as other peers in Physician Assistant |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
16 | 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 |
15 | Less often than most 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 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other physician assistants in Johnson City 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2005 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of cage or mesh device to spine bone and disc space during spine fusion 8
Providers in NY who bill this service to Medicare most often.
Common questions
What does Christopher D. Williamson specialize in?
Christopher D. Williamson is a physician assistant in Johnson City, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Christopher D. Williamson located?
Christopher D. Williamson is listed at 30 Harrison St Ste 460, Johnson City, NY 13790. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Christopher D. Williamson's phone number?
The number on file is (607) 763-8101. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Christopher D. Williamson's NPI number?
Christopher D. Williamson's National Provider Identifier is 1164408712. 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 Christopher D. Williamson train?
Christopher D. Williamson attended Other, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How long has Christopher D. Williamson been practicing?
Christopher D. Williamson has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What does Christopher D. Williamson do most often?
According to Medicare billing data, Christopher D. Williamson performs procedures including insertion of cage or mesh device to spine bone and disc space during spine fusion and placement of stabilizing device to back, 3-6 spine bone segments, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Christopher D. Williamson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Christopher D. Williamson. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.