Doctor profile · Federal record

Dr. John Larson, M.D.

Family Medicine Physician (CMS: Family Practice) · Obstetrics Physician · Bremen, IN

  • NPI 1215932173
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1724 W Plymouth St
Bremen, IN 465061940
(574) 546-3649
fax (574) 546-3952

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
January 14, 2010
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Indiana #01033673
Medicaid
IN #100468970B

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215932173. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,067
Distinct HCPCS
10
Medicare allowed
$76,992
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 292 71 $62
99214 Established patient office or other outpatient visit, 30-39 minutes 221 81 $121
11042 Removal of skin and tissue, 20.0 sq cm or less 179 57 $55
11045 Removal of skin and tissue, each additional 20.0 sq cm or less 76 17 $24
99214 Established patient office or other outpatient visit, 30-39 minutes 58 40 $91
99213 Established patient office or other outpatient visit, 20-29 minutes 55 33 $85
90662 Influenza vaccine split virus, preservative free 50 50 $72
G0008 Administration of influenza virus vaccine 50 50 $29
83036 Hemoglobin a1c level 45 22 $10
99204 New patient office or other outpatient visit, 45-59 minutes 41 41 $126

In context: peer comparison

Among 2 peers in this city , average services per provider: 89. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$70
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Stryker Corporation 1 $25.76
BSN Medical Inc 1 $23.35
Solventum Corporation 1 $20.60

By nature of payment

Food and Beverage
$70

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,286
Patients
376
Total drug cost
$16,376
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 139 35 $1,317
Atorvastatin Calcium Generic 131 38 $2,046
Lisinopril Generic 117 34 $720
Lisinopril-Hydrochlorothiazide (Lisinopril/Hydrochlorothiazide) Brand 105 29 $1,143
Metoprolol Succinate Generic 102 27 $2,523
Tamsulosin Hcl Generic 86 24 $1,397
Metformin Hcl Generic 82 24 $755
Losartan Potassium Generic 81 23 $1,030
Hydrochlorothiazide Generic 80 24 $454
Meloxicam Generic 66 16 $292

Frequently asked questions

Auto-generated from federal data
What is Dr. John Larson's medical specialty?
Dr. John Larson practices Family Medicine Physician in Bremen, IN.
Where does Dr. John Larson practice?
Dr. John Larson practices at 1724 W Plymouth St, Bremen, IN 465061940. Office phone: 5745463649.
What is Dr. John Larson's NPI?
Dr. John Larson's National Provider Identifier (NPI) is 1215932173, issued by NPPES.
Does Dr. John Larson accept Medicare assignment?
Yes. Dr. John Larson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Larson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Removal of skin and tissue, 20.0 sq cm or less (HCPCS 11042). Source: CMS Medicare Physician & Other Practitioners file.