Provider Profile
Josefina S. Baca-Asher, PA-C
Unclaimed ProfileAbout Josefina Baca-Asher
Josefina S. Baca-Asher, PA-C is a physician assistant based in Redwood City, CA. According to Medicare claims data, Josefina cared for 693 Medicare patients across 869 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, injection, triamcinolone acetonide, not otherwise specified, 10 mg, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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) 250-2584
- Email not available
Practice Locations
450 BROADWAY ST
Redwood City, CA 94063
Procedures Most Often Billed to Medicare
869 services · 693 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Replacement of thigh bone and hip joint with prosthesis | Procedure | 27130 |
65 | More than most peers in Physician Assistant |
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
55 | As often as other peers in Physician Assistant |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
47 | More often than most peers in Physician Assistant |
| Replacement of knee joint on side of knee | Procedure | 27446 |
38 | More often than most peers in Physician Assistant |
| X-ray of knee, 1-2 views | Imaging | 73560 |
49 | More often than most peers in Physician Assistant |
| X-ray of knee, 4 or more views | Imaging | 73564 |
47 | As often as other peers in Physician Assistant |
| X-ray of lower and sacral spine, 2-3 views | Imaging | 72100 |
38 | More often than most peers in Physician Assistant |
| X-ray of hip, minimum of 4 views | Imaging | 73503 |
29 | As often as other peers in Physician Assistant |
| X-ray of hip, 2-3 views | Imaging | 73502 |
28 | As often as other peers in Physician Assistant |
| X-ray of hip, 1 view | Imaging | 73501 |
25 | 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.
Other physician assistants at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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.
More connections — 32 related providers in 4 groups
Other physician assistants in Redwood City 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Replacement of thigh bone and hip joint with prosthesis 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Josefina S. Baca-Asher's specialty?
Josefina S. Baca-Asher is a physician assistant in Redwood City, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Josefina S. Baca-Asher?
Josefina S. Baca-Asher is listed at 450 Broadway St, Redwood City, CA 94063. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Josefina S. Baca-Asher?
The number on file is (650) 250-2584. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Josefina S. Baca-Asher's NPI number?
Josefina S. Baca-Asher's National Provider Identifier is 1477796688. 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
What is Josefina S. Baca-Asher's education?
Josefina S. Baca-Asher attended Other, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How long has Josefina S. Baca-Asher been practicing?
Josefina S. Baca-Asher has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What is Josefina S. Baca-Asher known for?
According to Medicare billing data, Josefina S. Baca-Asher performs procedures including replacement of thigh bone and hip joint with prosthesis, aspiration and/or injection of fluid large joint using ultrasound guidance and replacement of knee joint, both sides of knee; reads or performs imaging such as x-ray of knee, 1-2 views and x-ray of knee, 4 or more views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Josefina S. Baca-Asher confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Josefina S. Baca-Asher. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.