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Edit this profileAt a glance
- 1225 Whitehorse Mercerville Rd, Bldg. D, Suite 220, Mercerville, NJ 08619
About Katherine James
Katherine T. James is a physician assistant practicing in Mercerville, NJ. According to Medicare claims data, Katherine cared for 153 Medicare patients across 169 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and detection test by immunoassay with direct visual observation for influenza virus. This provider record is associated with NPI 1821483546.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
- (609) 581-2200
- Email not available
Practice Locations
1225 WHITEHORSE MERCERVILLE RD BLDG. D, SUITE 220
Mercerville, NJ 08619
Procedures Most Often Billed to Medicare
169 services · 153 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 2 views | Imaging | 71046 |
12 | 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 |
48 | As often as other 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 |
28 | Less often than most peers in Physician Assistant |
| Detection test by immunoassay with direct visual observation for influenza virus | Lab test | 87804 |
23 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
18 | Less often than most peers in Physician Assistant |
| Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) | Lab test | 87811 |
18 | Less often than most peers in Physician Assistant |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
11 | Less often than most peers in Physician Assistant |
| Automated urinalysis test | Lab test | 81003 |
11 | 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 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.
Also performs X-ray of chest, 2 views 8
Providers in NJ who bill this service to Medicare most often.
Common questions
What is Katherine T. James's specialty?
Katherine T. James is a physician assistant in Mercerville, NJ. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Katherine T. James?
Katherine T. James is listed at 1225 Whitehorse Mercerville Rd Bldg. D, Suite 220, Mercerville, NJ 08619. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Katherine T. James?
The number on file is (609) 581-2200. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Katherine T. James's NPI number?
Katherine T. James's National Provider Identifier is 1821483546. 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
How long has Katherine T. James been practicing?
Katherine T. James has 11+ years experience. Registered with an NPI since 2015. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What is Katherine T. James known for?
According to Medicare billing data, Katherine T. James performs imaging including x-ray of chest, 2 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Katherine T. James confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Katherine T. James. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.