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Edit this profileAt a glance
- 2200 Chaucer Rd, San Marino, CA 91108
About Catherine Barth
Catherine L. Barth, PA-C is a physician assistant based in San Marino, CA. According to Medicare claims data, Catherine cared for 116 Medicare patients across 118 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 urinalysis, manual test. The provider's National Provider Identifier (NPI) is 1184283178.
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
- (626) 485-4837
- Email not available
Practice Locations
2200 CHAUCER RD
San Marino, CA 91108
Procedures Most Often Billed to Medicare
118 services · 116 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
83 | 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 |
22 | Less often than most peers in Physician Assistant |
| Urinalysis, manual test | Lab test | 81002 |
13 | 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 in San Marino 5
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2019 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Catherine L. Barth specialize in?
Catherine L. Barth is a physician assistant in San Marino, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Catherine L. Barth located?
Catherine L. Barth is listed at 2200 Chaucer Rd, San Marino, CA 91108. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Catherine L. Barth's phone number?
The number on file is (626) 485-4837. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Catherine L. Barth's NPI number?
Catherine L. Barth's National Provider Identifier is 1184283178. 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 Catherine L. Barth train?
Catherine L. Barth attended Other, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
How long has Catherine L. Barth been practicing?
Catherine L. Barth has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
What does Catherine L. Barth do most often?
According to Medicare billing data, Catherine L. Barth the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Catherine L. Barth confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Catherine L. Barth. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.