Physician Profile
Unclaimed ProfileAbout HOLBROOK
John T Holbrook, PA-C is a physician assistant practicing in Algonquin, IL. According to Medicare claims data, John cared for 269 Medicare patients across 2,440 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
- (815) 398-9491
- Email not available
Practice Locations
650 S RANDALL RD
Algonquin, IL 60102
Procedures Most Often Billed to Medicare
2,440 services · 269 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
140 |
| X-ray of knee, 4 or more views | Imaging | 73564 |
17 |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
16 |
| Hyaluronan or derivative, trivisc, for intra-articular injection, 1 mg | Drug given | J7329 |
1,825 |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
312 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
76 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
39 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
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 8
Same specialty, same street address — most likely the same department or group.
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.
Other physician assistants in Algonquin 4
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 2022 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Dr. Holbrook specialize in?
Dr. Holbrook is a physician assistant in Algonquin, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PHYSICIAN ASSISTANT”.
NPI registry
Where is Dr. Holbrook located?
Dr. Holbrook is listed at 650 S RANDALL RD, Algonquin, IL 60102. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Holbrook's phone number?
The number on file is (815) 398-9491. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Holbrook's NPI number?
Dr. Holbrook's National Provider Identifier is 1356077218. 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. Holbrook go to medical school?
Dr. Holbrook attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Holbrook been practicing?
Dr. Holbrook has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Holbrook do most often?
According to Medicare billing data, Dr. Holbrook performs procedures including aspiration and/or injection of fluid from large joint; reads or performs imaging such as x-ray of knee, 4 or more views and x-ray of shoulder, minimum of 2 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Holbrook confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Holbrook. 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.