Doctor profile · Federal record

Dr. Stewart Greathouse, M.D.

Family Medicine Physician (CMS: Family Practice) · Lake Charles, LA

  • NPI 1740589621
  • Accepts Medicare
  • MIPS 72.0 / 100 · 2023
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
217 Sam Houston Jones Pkwy, Ste 104
Lake Charles, LA 706115644
(337) 480-8989
fax (337) 480-8988
Mailing address
Po Box 122539 Dept 2539
Dallas, TX 753122539

Credentials & registration

NPPES · NUCC
NPI registered
March 2011 — 15 yrs on file
Profile last updated
April 27, 2022
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Louisiana #MD.205459
Medicaid
LA #2150278

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740589621. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,320
Distinct HCPCS
10
Medicare allowed
$86,145
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 413 210 $120
99213 Established patient office or other outpatient visit, 20-29 minutes 352 182 $84
36415 Insertion of needle into vein for collection of blood sample 344 196 $8
J0702 Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg 69 19 $6
96372 Injection of drug or substance under skin or into muscle 37 22 $13
81002 Urinalysis, manual test 20 17 $3
G0008 Administration of influenza virus vaccine 20 20 $29
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 19 19 $76
87804 Detection test by immunoassay with direct visual observation for influenza virus 16 12 $16
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 16 15 $13

In context: peer comparison

Among 37 peers in this city , average services per provider: 134. This provider delivers 9.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,314
Transactions
81
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 18 $252.85
PFIZER INC. 12 $185.23
Amgen Inc. 13 $171.96
Novo Nordisk Inc 11 $158.23
Takeda Pharmaceuticals U.S.A., Inc. 8 $146.86
Lilly USA, LLC 5 $105.02
AstraZeneca Pharmaceuticals LP 3 $48.17
Noven Therapeutics, LLC 2 $47.75
Boehringer Ingelheim Pharmaceuticals, Inc. 2 $37.92
Exact Sciences Corporation 2 $32.80
Otsuka America Pharmaceutical, Inc. 1 $23.34
Sumitomo Pharma America, Inc. 1 $21.00
Abbott Laboratories 1 $18.84
Bayer Healthcare Pharmaceuticals Inc. 1 $17.87
Tolmar, Inc. 1 $17.38

By nature of payment

Food and Beverage
$1,314

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,311
Patients
791
Total drug cost
$35,832
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 621 148 $7,301
Pantoprazole Sodium Generic 360 84 $4,845
Amlodipine Besylate Generic 284 68 $2,376
Levothyroxine Sodium Generic 282 57 $3,056
Gabapentin Generic 246 60 $3,024
Furosemide Generic 230 58 $1,018
Losartan Potassium Generic 186 44 $2,326
Lisinopril Generic 170 49 $1,040
Clopidogrel (Clopidogrel Bisulfate) Brand 150 30 $1,861
Clonazepam Generic 143 26 $664

Frequently asked questions

Auto-generated from federal data
What is Dr. Stewart Greathouse's medical specialty?
Dr. Stewart Greathouse practices Family Medicine Physician in Lake Charles, LA.
Where does Dr. Stewart Greathouse practice?
Dr. Stewart Greathouse practices at 217 Sam Houston Jones Pkwy, Lake Charles, LA 706115644. Office phone: 3374808989.
What is Dr. Stewart Greathouse's NPI?
Dr. Stewart Greathouse's National Provider Identifier (NPI) is 1740589621, issued by NPPES.
Does Dr. Stewart Greathouse accept Medicare assignment?
Yes. Dr. Stewart Greathouse accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stewart Greathouse commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.