Stewart C. Greathouse, M.D.
Family Medicine Physician · Lake Charles, LA
Stewart C. Greathouse, M.D. is a family medicine physician with a practice address in Lake Charles, Louisiana, and NPI 1740589621, issued on Mar 18, 2011. Check the license (Louisiana MD.205459, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Stewart C. Greathouse
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD.205459 LA
Self-reported in NPPES; status is on the state search - Practice location
- 217 Sam Houston Jones Pkwy, Lake Charles, LA 70611
- Phone
- (337) 480-8989
- Enumerated
- Mar 18, 2011
- Record last updated
- Apr 27, 2022
- Fax
- (337) 480-8988
- Medicaid ID
- 2150278 LA
- Medicare enrollment
- Enrolled (PECOS I20121026000159); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,728 in Louisiana → Look up another NPI →
Also registered at 217 Sam Houston Jones Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sandra Bruno, M.D.Internal Medicine Physician1972533602
- Krystle Diaz, APRN, FNPFamily Nurse Practitioner1689915415
- Timothy Haman, MDInternal Medicine Physician1245411446
- Jeremy Stillwell, PTPhysical Therapist1174650659
Verify Stewart C. Greathouse in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license MD.205459Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average family medicine physician in 2024
8,234 Medicare Part D claims for 407 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 238 claims were for opioids.
Most prescribed
- Atorvastatin Calcium530 claims
- Pantoprazole Sodium297 claims
- Levothyroxine Sodium249 claims
- Amlodipine Besylate246 claims
- Furosemide204 claims
- Gabapentin203 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 73.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,313.64
83 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Lake Charles Medical Services Family Practice Associates, LLCLake Charles, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stewart C. Greathouse among 1,728 family medicine physician records in Louisiana
Stewart C. Greathouse, M.D. is one of 1,728 family medicine physician records with a practice address in Louisiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 63% of them.
- NPI issued2011 · 63% of these records are older, 33% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2011 · median 2006 among the 1,201 with a school on file
- Record last updated2022 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
94 family medicine physician records list a practice address in Lake Charles
They are 94 of the 2,791 NPPES records with a practice address in Lake Charles, and 1,728 family medicine physician records in Louisiana.
All 1,728 in Louisiana → Every provider in Lake Charles → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Benjamin FontenotLake Charles, LA 706111508283813
- Penny Goodwin, M.D.Lake Charles, LA 706111821255852
- Ashley Greenman, M.D.Lake Charles, LA 706111962791699
- Micah Leleux, M.D.Lake Charles, LA 706111063711943
- Jason Morris, MDLake Charles, LA 706111861468068
- Ashton Adekanmbi, MDLake Charles, LA 706071548791940
- Jude Agendia, MDLake Charles, LA 706071821287806
- Johnny Biddle, M.D.Lake Charles, LA 706071902010952
Common questions
What is Stewart C. Greathouse, M.D.'s NPI number?
Stewart C. Greathouse, M.D.'s National Provider Identifier (NPI) is 1740589621, issued on Mar 18, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Stewart C. Greathouse, M.D. located?
The NPPES record lists a practice address at 217 Sam Houston Jones Pkwy, Lake Charles, LA, 70611. Phone: (337) 480-8989. Providers update this record themselves, so call before visiting.
How can I verify Stewart C. Greathouse, M.D.'s license?
NPPES lists Louisiana license number MD.205459, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stewart C. Greathouse, M.D. prescribe under Medicare Part D?
In 2024, Stewart C. Greathouse, M.D. had 8,234 Medicare Part D claims for 407 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Stewart C. Greathouse, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.