Doctor profile · Federal record

Dr. Oscar Bach, PA

Physician Assistant · Student in an Organized Health Care Education/Training Program · Pasadena, CA

  • NPI 1023632791
  • 6 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
112 N Madison Ave
Pasadena, CA 911011710
(626) 796-8102
Additional location
570 Lexington Ave Fl 9
New York, NY 100226710
(646) 962-7277
fax (646) 962-1290
Additional location
1227 Buena Vista St Ste F
Duarte, CA 910102486
(877) 254-4496
fax (877) 254-4496
Mailing address
11224 Danbury St
Arcadia, CA 910065609

Credentials & registration

NPPES · NUCC
NPI registered
May 2020 — 6 yrs on file
Profile last updated
November 14, 2022
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #58358

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023632791. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
66
Distinct HCPCS
2
Medicare allowed
$4,477
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 49 37 $84
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 17 11 $22

In context: peer comparison

Among 16 peers in Pasadena Physician Assistant, average services per provider: 96. This provider delivers 0.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$675
Transactions
26
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
Teleflex LLC 5 $218.12
Sumitomo Pharma America, INC. 8 $138.66
Pfizer INC. 3 $82.24
Bayer Healthcare Pharmaceuticals INC. 3 $78.32
Bluewind Medical 2 $48.39
ConvaTec INC. 1 $36.70
Accord Healthcare, INC. 1 $23.66
Progenics Pharmaceuticals, INC. 1 $16.60
Urogen Pharma, INC. 1 $16.57
Photocure INC 1 $15.39

By nature of payment

Food and Beverage
$675

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
335
Patients
223
Total drug cost
$26,428
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 85 59 $1,463
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 51 48 $995
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 35 32 $111
Ciprofloxacin Hcl Generic 33 30 $167
Silodosin Generic 31 14 $2,250
Gemtesa (Vibegron) Brand 22 0 $10,418
Finasteride Generic 20 12 $302
Cefdinir Generic 16 16 $199
Doxycycline Hyclate Generic 15 0 $286
Myrbetriq (Mirabegron) Brand 15 0 $10,001

Frequently asked questions

Auto-generated from federal data
What is Dr. Oscar Bach's medical specialty?
Dr. Oscar Bach practices Physician Assistant in Pasadena, CA.
Where does Dr. Oscar Bach practice?
Dr. Oscar Bach practices at 112 N Madison Ave, Pasadena, CA 911011710. Office phone: 6267968102.
What is Dr. Oscar Bach's NPI?
Dr. Oscar Bach's National Provider Identifier (NPI) is 1023632791, issued by NPPES.
What procedures does Dr. Oscar Bach commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (HCPCS 99211). Source: CMS Medicare Physician & Other Practitioners file.