Doctor profile · Federal record

Dr. Mary Bos, DO

Orthopaedic Hand Surgery Physician (CMS: Orthopedic Surgery) · Downey, CA

  • NPI 1780768879
  • Accepts Medicare
  • 35 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8555 E Florence Ave
Downey, CA 90240
(562) 923-9351
fax (562) 869-6294

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207XS0106X — NUCC code
State license (1)
California #20A7009

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780768879. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
160
Distinct HCPCS
5
Medicare allowed
$11,315
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 52 36 $98
J1100 Injection, dexamethasone sodium phosphate, 1 mg 35 26 $0
99214 Established patient office or other outpatient visit, 30-39 minutes 29 23 $139
73130 X-ray of hand, minimum of 3 views 25 22 $43
20600 Aspiration and/or injection of fluid from small joint 19 15 $58

In context: peer comparison

Among 1 peers in Downey Orthopaedic Hand Surgery Physician, average services per provider: 32. This provider delivers 5.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$142
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Stryker Corporation 2 $121.60
Highridge Medical LLC 1 $20.13

By nature of payment

Food and Beverage
$142

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
36
Patients
35
Total drug cost
$206
Drug Type Claims Patients Total cost
Cephalexin Generic 19 18 $105
Ibuprofen Generic 17 17 $101

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Bos's medical specialty?
Dr. Mary Bos practices Orthopaedic Hand Surgery Physician in Downey, CA.
Where does Dr. Mary Bos practice?
Dr. Mary Bos practices at 8555 E Florence Ave, Downey, CA 90240. Office phone: 5629239351.
What is Dr. Mary Bos's NPI?
Dr. Mary Bos's National Provider Identifier (NPI) is 1780768879, issued by NPPES.
Does Dr. Mary Bos accept Medicare assignment?
Yes. Dr. Mary Bos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Bos commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.