Doctor profile · Federal record

Dr. Josefina Baca-Asher, PA-C

Physician Assistant · Redwood City, CA

  • NPI 1477796688
  • Accepts Medicare
  • 18 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
450 Broadway St
Redwood City, CA 94063
(650) 250-2584
fax (650) 721-3420
Mailing address
450 Broadway St Fl A1
Redwood City, CA 940633132

Credentials & registration

NPPES · NUCC
NPI registered
April 2009 — 17 yrs on file
Profile last updated
June 3, 2019
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #PA53721

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477796688. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
853
Distinct HCPCS
10
Medicare allowed
$79,645
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 192 158 $84
99214 Established patient office or other outpatient visit, 30-39 minutes 156 146 $118
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 111 22 $1
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance 62 37 $91
27130 Replacement of thigh bone and hip joint with prosthesis 54 54 $186
73502 X-ray of hip, 2-3 views 43 38 $46
73560 X-ray of knee, 1-2 views 43 40 $34
73564 X-ray of knee, 4 or more views 41 27 $46
72100 X-ray of lower and sacral spine, 2-3 views 40 39 $39
27447 Replacement of knee joint, both sides of knee 37 36 $185

In context: peer comparison

Among 4 peers in Redwood City Physician Assistant, average services per provider: 62. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$305
Transactions
8
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Stryker Corporation 7 $249.57
Boston Scientific Corporation 1 $54.97

By nature of payment

Food and Beverage
$305

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
387
Patients
282
Total drug cost
$4,694
Drug Type Claims Patients Total cost
Diclofenac Sodium Generic 85 66 $1,996
Meloxicam Generic 70 38 $198
Celecoxib Generic 54 36 $1,253
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 48 39 $290
Tramadol Hcl Generic 29 25 $98
Gabapentin Generic 19 14 $151
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 17 15 $192
Oxycodone Hcl Generic 15 14 $156
Cephalexin Generic 13 13 $146
Naproxen Generic 13 0 $126

Frequently asked questions

Auto-generated from federal data
What is Dr. Josefina Baca-Asher's medical specialty?
Dr. Josefina Baca-Asher practices Physician Assistant in Redwood City, CA.
Where does Dr. Josefina Baca-Asher practice?
Dr. Josefina Baca-Asher practices at 450 Broadway St, Redwood City, CA 94063. Office phone: 6502502584.
What is Dr. Josefina Baca-Asher's NPI?
Dr. Josefina Baca-Asher's National Provider Identifier (NPI) is 1477796688, issued by NPPES.
Does Dr. Josefina Baca-Asher accept Medicare assignment?
Yes. Dr. Josefina Baca-Asher accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Josefina Baca-Asher commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301). Source: CMS Medicare Physician & Other Practitioners file.