Physician Profile
Unclaimed ProfileAbout WILLIAMSON
Christopher Devon 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.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
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 |
|---|---|---|---|
| Insertion of cage or mesh device to spine bone and disc space during spine fusion | Procedure | 22853 |
31 |
| Placement of stabilizing device to back, 3-6 spine bone segments | Procedure | 22842 |
11 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
55 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
16 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
15 |
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 Dr. Williamson specialize in?
Dr. Williamson is a physician assistant in Johnson City, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PHYSICIAN ASSISTANT”.
NPI registry
Where is Dr. Williamson located?
Dr. 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 Dr. Williamson's phone number?
The number on file is (607) 763-8101. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Williamson's NPI number?
Dr. 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 Dr. Williamson go to medical school?
Dr. Williamson attended Other, graduating in 2005. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Williamson been practicing?
Dr. Williamson has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Williamson do most often?
According to Medicare billing data, Dr. 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 Dr. Williamson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Williamson. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.