NPPES file of Aug 9, 2026

Ernest S. Weeks, M.D.

Gastroenterology Physician · Flowood, MS

Ernest S. Weeks, M.D. is a gastroenterology physician with a practice address in Flowood, Mississippi, and NPI 1134330822, issued on May 24, 2007. Check the license (Mississippi 20530, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134330822
Name
Ernest S. Weeks
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
20530 MS
Self-reported in NPPES; status is on the state search
Practice location
2510 Lakeland Dr, Flowood, MS 39232
Phone
(601) 355-1234
Enumerated
May 24, 2007
Record last updated
Jan 22, 2026
Fax
(601) 326-3559
Medicaid ID
02420704 MS
Medicare enrollment
Enrolled (PECOS I20120717000385); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2510 Lakeland Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Richard Benson, CRNACertified Registered Nurse Anesthetist1962662825
  2. Brandi Betterton, CRNACertified Registered Nurse Anesthetist1265601934
  3. Stewart Boyd, M.D.Gastroenterology Physician1194954578
  4. Donald Brannan, M.D.Gastroenterology Physician1568533198
  5. Alexandra Brown, M.D.Anatomic Pathology & Clinical Pathology Physician1669640850
  6. Keith Brown, M.D.Anatomic Pathology & Clinical Pathology Physician1376710756

Verify Ernest S. Weeks in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
    Search for license 20530
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Mississippi license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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45% more Medicare Part D claims than the average gastroenterology physician in 2024

1,175 Medicare Part D claims for 492 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Ernest Weeks1,175
  2. Specialty average811

Most prescribed

  1. Omeprazole328 claims
  2. Pantoprazole Sodium135 claims
  3. Gavilyte-C92 claims
  4. Peg 3350-Electrolyte70 claims
  5. Sucralfate55 claims
  6. Peg-3350 And Electrolytes44 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $543.14

20 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ernest Weeks$543.14
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

3 hospitals and group practices

  1. Billings ClinicBillings, MT · Acute Care Hospitals4 of 5 stars
  2. Gastrointestinal Associates PAMadison, MS
  3. St. Dominic Medical Associates LLCMadison, MS

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Ernest S. Weeks among 128 gastroenterology physician records in Mississippi

Ernest S. Weeks, M.D. is one of 128 gastroenterology physician records with a practice address in Mississippi. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 61% of them.

  • NPI issued2007 · 61% of these records are older, 29% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 80% of these records are
  • Graduated2006 · median 1998 among the 102 with a school on file
  • Record last updated2026 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

21 gastroenterology physician records list a practice address in Flowood

They are 21 of the 972 NPPES records with a practice address in Flowood, and 128 gastroenterology physician records in Mississippi.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Donald Brannan, M.D.Flowood, MS 392321568533198
  2. Shirley Donelson, M.D.Flowood, MS 392321669543120
  3. Pierce Dotherow, MDFlowood, MS 392321346238615
  4. Charles Hall, M.D.Flowood, MS 392321568534832
  5. Reed Hogan, MDFlowood, MS 392321023006293
  6. Ronald Kotfila, MDFlowood, MS 392321942298120
  7. Makau Lee, M.D.Flowood, MS 392321093887259
  8. Paul Milner, MDFlowood, MS 392321356339782

Common questions

What is Ernest S. Weeks, M.D.'s NPI number?

Ernest S. Weeks, M.D.'s National Provider Identifier (NPI) is 1134330822, issued on May 24, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ernest S. Weeks, M.D. located?

The NPPES record lists a practice address at 2510 Lakeland Dr, Flowood, MS, 39232. Phone: (601) 355-1234. Providers update this record themselves, so call before visiting.

How can I verify Ernest S. Weeks, M.D.'s license?

NPPES lists Mississippi license number 20530, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ernest S. Weeks, M.D. prescribe under Medicare Part D?

In 2024, Ernest S. Weeks, M.D. had 1,175 Medicare Part D claims for 492 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Ernest S. Weeks, M.D.'s MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.