Provider Profile
Karen R. Ben-Nun, PA-C
Unclaimed ProfileAbout Karen Ben-Nun
Karen R. Ben-Nun, PA-C is a physician assistant based in San Mateo, CA. Medicare claims data shows Karen provided 28 services to 26 patients. The services billed most often include emergency department visit with moderate level of medical decision making. The provider's National Provider Identifier (NPI) is 1487833679.
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
- (650) 573-2669
- Email not available
Practice Locations
222 W 39TH AVE
San Mateo, CA 94403
Procedures Most Often Billed to Medicare
28 services · 26 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
28 | As often as other 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.
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.
Common questions
What kind of doctor is Karen R. Ben-Nun?
Karen R. Ben-Nun is a physician assistant in San Mateo, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Karen R. Ben-Nun's address?
Karen R. Ben-Nun is listed at 222 W 39Th Ave, San Mateo, CA 94403. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Karen R. Ben-Nun?
The number on file is (650) 573-2669. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Karen R. Ben-Nun?
Karen R. Ben-Nun's National Provider Identifier is 1487833679. 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 much experience does Karen R. Ben-Nun have?
Karen R. Ben-Nun has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What procedures does Karen R. Ben-Nun perform?
According to Medicare billing data, Karen R. Ben-Nun 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
Is Karen R. Ben-Nun's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Karen R. Ben-Nun. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.