Doctor profile · Federal record

Dr. David Harmon, MD

Family Medicine Physician (CMS: Family Practice) · Hardin, IL

  • NPI 1033175633
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
106 South Water Street
Hardin, IL 620470106
(618) 576-9407
fax (618) 576-2260
Additional location
1 Memorial Dr
Alton, IL 620026722
(314) 996-4545
Mailing address
1 Memorial Dr
Alton, IL 620026722

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
February 22, 2021
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Illinois #036069786
Medicaid
IL #036069786

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033175633. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
106
Distinct HCPCS
2
Medicare allowed
$10,693
HCPCS Description Services Patients Avg allowed
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 87 81 $85
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 19 19 $174

In context: peer comparison

Among 1 peers in Hardin Family Medicine Physician, average services per provider: 53. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$42
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Cranial Technologies, INC 2 $42.00

By nature of payment

Food and Beverage
$42

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
525
Patients
141
Total drug cost
$67,408
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 74 21 $886
Eliquis (Apixaban) Brand 70 18 $37,176
Tamsulosin Hcl Generic 39 16 $467
Haloperidol Lactate Generic 35 34 $326
Losartan Potassium Generic 35 0 $289
Amlodipine Besylate Generic 34 13 $192
Metoprolol Tartrate Generic 32 0 $140
Furosemide Generic 31 15 $88
Lorazepam Generic 30 24 $190
Memantine Hcl Generic 29 0 $2,158

Frequently asked questions

Auto-generated from federal data
What is Dr. David Harmon's medical specialty?
Dr. David Harmon practices Family Medicine Physician in Hardin, IL.
Where does Dr. David Harmon practice?
Dr. David Harmon practices at 106 South Water Street, Hardin, IL 620470106. Office phone: 6185769407.
What is Dr. David Harmon's NPI?
Dr. David Harmon's National Provider Identifier (NPI) is 1033175633, issued by NPPES.
Does Dr. David Harmon accept Medicare assignment?
Yes. Dr. David Harmon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Harmon commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.