Doctor profile · Federal record

Dr. Loren Bach, M.D.

Surgery Physician (CMS: General Surgery) · Surgery Physician · Neurological Surgery Physician · Student in an Organized Health Care Education/Training Program · Saint Louis, MO

  • NPI 1205279650
  • Accepts Medicare
  • 13 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
621 S New Ballas RD Ste 560A
Saint Louis, MO 63141
(314) 251-6440
fax (314) 251-4456

Credentials & registration

NPPES · NUCC
NPI registered
April 2013 — 13 yrs on file
Profile last updated
May 30, 2023
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
208600000X — NUCC code
State licenses (2)
Missouri #2019029089 · Minnesota #59069

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205279650. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
223
Distinct HCPCS
6
Medicare allowed
$35,757
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 77 77 $172
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 63 45 $118
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 46 27 $78
47562 Removal of gallbladder using an endoscope 14 14 $619
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 12 12 $129
99239 Hospital discharge day management, more than 30 minutes 11 11 $114

In context: peer comparison

Among 41 peers in Saint Louis Surgery Physician, average services per provider: 37. This provider delivers 6.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,040
Transactions
9
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Zimmer Biomet Holdings, INC. 4 $938.61
Smith+Nephew, INC. 2 $40.80
Atricure, INC. 1 $21.89
Integra LifeSciences Corporation 1 $20.32
Tela Bio, INC. 1 $18.07

By nature of payment

Travel and Lodging
$837
Food and Beverage
$203

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
38
Patients
38
Total drug cost
$204
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 19 19 $114
Oxycodone Hcl Generic 19 19 $90

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Loren Bach's medical specialty?
Dr. Loren Bach practices Surgery Physician in Saint Louis, MO.
Where does Dr. Loren Bach practice?
Dr. Loren Bach practices at 621 S New Ballas RD Ste 560A, Saint Louis, MO 63141. Office phone: 3142516440.
What is Dr. Loren Bach's NPI?
Dr. Loren Bach's National Provider Identifier (NPI) is 1205279650, issued by NPPES.
Does Dr. Loren Bach accept Medicare assignment?
Yes. Dr. Loren Bach accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Loren Bach commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.