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Provider Profile

Kerstyn A. O'Brien, PA-C

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At a glance

About Kerstyn O'brien

Listed in the NPI registry as a physician assistant — medical, Kerstyn A. O'Brien, PA-C practices in Fresno, CA. Kerstyn is also listed as specializing in physician assistant — surgical. According to Medicare claims data, Kerstyn cared for 168 Medicare patients across 395 services. The services billed most often include management of oxygen chamber therapy, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. NPI 1972179992 identifies this record in the national registry.

Factual summary compiled by Guide.md from public records; not written by this provider.

Education & Training

School Other Graduated: 2021

Credentials & Licensing

CA · Physician AssistantPhysician Assistant Board
No. 59940CurrentExpires Jul 2027Since 2021
NPINational Provider Identifier
1972179992Issued 2021

Snapshot · verify with the board ↗

Medicare information

Accepts Medicare assignmentYes
Telehealth reported to CMSYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What kind of doctor is Kerstyn A. O'Brien?

Kerstyn A. O'Brien is a physician assistant in Fresno, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Physician Assistant — Medical”.

NPI registry

What is Kerstyn A. O'Brien's address?

Kerstyn A. O'Brien is listed at 2335 E Kashian Ln Ste 260, Fresno, CA 93701. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Kerstyn A. O'Brien?

The number on file is (559) 256-5130. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Kerstyn A. O'Brien's NPI number?

Kerstyn A. O'Brien's National Provider Identifier is 1972179992. 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 Kerstyn A. O'Brien train?

Kerstyn A. O'Brien attended Other, graduating in 2021. This comes from the CMS National Downloadable File.

CMS public data

How long has Kerstyn A. O'Brien been practicing?

Kerstyn A. O'Brien has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.

CMS public data

What procedures does Kerstyn A. O'Brien perform?

According to Medicare billing data, Kerstyn A. O'Brien provides treatments such as management of oxygen chamber therapy, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Kerstyn A. O'Brien confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Kerstyn A. O'Brien. If this is you, claiming it is free.

Guide.md

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