Doctor profile · Federal record

Dr. William Loesch, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Brenham, TX

  • NPI 1225296437
  • Accepts Medicare
  • 20 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
600 N Park St
Brenham, TX 778332610
(979) 836-6153
Mailing address
Po Box 844658
Dallas, TX 752844658

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
October 8, 2020
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Texas #M8802
Medicaid
TX #202986602

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225296437. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,826
Distinct HCPCS
10
Medicare allowed
$44,260
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 1,866 1,388 $8
81003 Automated urinalysis test 446 340 $2
U0002 2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc 180 169 $50
87651 Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique 120 108 $34
87502 Detection test by nucleic acid for multiple types influenza virus 90 83 $94
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 40 29 $71
99214 Established patient office or other outpatient visit, 30-39 minutes 22 16 $60
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 21 20 $22
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing 15 15 $6
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 13 13 $16

In context: peer comparison

Among 1 peers in Brenham Internal Medicine Physician, average services per provider: 256. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$212
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Edwards Lifesciences Corporation 2 $212.36

By nature of payment

Food and Beverage
$212

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
8,003
Patients
2,123
Total drug cost
$348,742
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 1,340 355 $17,630
Amlodipine Besylate Generic 876 244 $8,105
Lisinopril Generic 780 213 $7,271
Levothyroxine Sodium Generic 684 175 $10,175
Pantoprazole Sodium Generic 491 138 $7,708
Losartan Potassium Generic 473 133 $7,606
Metformin Hcl ER (Metformin Hcl) Brand 421 127 $5,056
Gabapentin Generic 420 116 $9,825
Potassium Chloride Generic 397 90 $8,440
Hydrochlorothiazide Generic 386 110 $2,241

Frequently asked questions

Auto-generated from federal data
What is Dr. William Loesch's medical specialty?
Dr. William Loesch practices Internal Medicine Physician in Brenham, TX.
Where does Dr. William Loesch practice?
Dr. William Loesch practices at 600 N Park St, Brenham, TX 778332610. Office phone: 9798366153.
What is Dr. William Loesch's NPI?
Dr. William Loesch's National Provider Identifier (NPI) is 1225296437, issued by NPPES.
Does Dr. William Loesch accept Medicare assignment?
Yes. Dr. William Loesch accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Loesch commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Automated urinalysis test (HCPCS 81003); 2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc (HCPCS U0002). Source: CMS Medicare Physician & Other Practitioners file.