Josefina Sanchez Baca-Asher, PA-C
Physician Assistant · Redwood City, CA
Josefina Sanchez Baca-Asher, PA-C is a physician assistant with a practice address in Redwood City, California, and NPI 1477796688, issued on Apr 17, 2009. Check the license (California PA53721, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Josefina Sanchez Baca-Asher
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA53721 CA
Self-reported in NPPES; status is on the state search - Practice location
- 450 Broadway St, Redwood City, CA 94063
- Phone
- (650) 250-2584
- Enumerated
- Apr 17, 2009
- Record last updated
- Jun 3, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (650) 721-3420
- Medicare enrollment
- Enrolled (PECOS I20170515001486); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 450 Broadway St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ran AtzmonOrthopaedic Surgery Physician1558023267
- Eldridge Batuyong, MDOrthopaedic Surgery Physician1639427321
- George Bugarinovic, MDSports Medicine (Orthopaedic Surgery) Physician1366062770
- Alexander Caspary-IsarOrthopedic Physical Therapist1043176084
- Michael Chen, MDStudent in an Organized Health Care Education/Training Program1588452403
- Deepak Chona, M.D.Orthopaedic Surgery Physician1205369964
Verify Josefina Sanchez Baca-Asher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA53721Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average physician assistant in 2024
548 Medicare Part D claims for 263 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 160 claims were for opioids.
Most prescribed
- Celecoxib119 claims
- Hydrocodone-Acetaminophen76 claims
- Diclofenac Sodium74 claims
- Meloxicam67 claims
- Tramadol Hcl53 claims
- Gabapentin22 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $304.54
8 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Torrance Health Association IncTorrance, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
38 physician assistant records list a practice address in Redwood City
They are 38 of the 2,795 NPPES records with a practice address in Redwood City, and 14,451 physician assistant records in California.
All 38 in Redwood City → All 14,451 in California → Every provider in Redwood City →
Other physician assistant records in California
- Marcia -Galbraith, PAStockton, CA1407143274
- Danny Abad, PAOrange, CA1477158673
- Lea Dominique Abadies, PATustin, CA1124754254
- Rea Elizabeth Abaniel, P.A.-CSeal Beach, CA1396173621
- Ramina Abbasi, PA-CSignal Hill, CA1093448300
- Ariel Abbott, PA-CStockton, CA1780334342
- Barrie Abbott, PA-CAnza, CA1861602575
- Elizabeth Abbott, PA-CSan Diego, CA1437540762
- Terri Abbott, P.A.La Jolla, CA1811165566
- Angela Abboud, MMS, PA-CSanta Rosa, CA1114399334
Common questions
What is Josefina Sanchez Baca-Asher, PA-C's NPI number?
Josefina Sanchez Baca-Asher, PA-C's National Provider Identifier (NPI) is 1477796688, issued on Apr 17, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Josefina Sanchez Baca-Asher, PA-C located?
The NPPES record lists a practice address at 450 Broadway St, Redwood City, CA, 94063. Phone: (650) 250-2584. Providers update this record themselves, so call before visiting.
How can I verify Josefina Sanchez Baca-Asher, PA-C's license?
NPPES lists California license number PA53721, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Josefina Sanchez Baca-Asher, PA-C prescribe under Medicare Part D?
In 2024, Josefina Sanchez Baca-Asher, PA-C had 548 Medicare Part D claims for 263 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.