Doctor profile · Federal record

Dr. Rex Farrer, DO

Surgery Physician (CMS: General Surgery) · Boerne, TX

  • NPI 1841615986
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1201 S Main St Ste 111
Boerne, TX 780062838
(830) 223-8150
fax (830) 223-8151
Additional location
101 Alcantara
Boerne, TX 780062176
(801) 755-6559
Mailing address
9330 Lbj Fwy Ste 800
Dallas, TX 752434310

Credentials & registration

NPPES · NUCC
NPI registered
February 2014 — 12 yrs on file
Profile last updated
November 1, 2022
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Texas #T0780

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841615986. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
213
Distinct HCPCS
3
Medicare allowed
$21,700
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 120 42 $76
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 70 68 $125
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 23 22 $167

In context: peer comparison

Among 1 peers in Boerne Surgery Physician, average services per provider: 71. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,516
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 2 $1,515.84

By nature of payment

Education
$1,500
Food and Beverage
$16

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Rex Farrer's medical specialty?
Dr. Rex Farrer practices Surgery Physician in Boerne, TX.
Where does Dr. Rex Farrer practice?
Dr. Rex Farrer practices at 1201 S Main St Ste 111, Boerne, TX 780062838. Office phone: 8302238150.
What is Dr. Rex Farrer's NPI?
Dr. Rex Farrer's National Provider Identifier (NPI) is 1841615986, issued by NPPES.
Does Dr. Rex Farrer accept Medicare assignment?
Yes. Dr. Rex Farrer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rex Farrer commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.