A Keith Lay, MD
Family Medicine Physician · Bay Springs, MS
A Keith Lay, MD is a family medicine physician with a practice address in Bay Springs, Mississippi, and NPI 1144338369, issued on Aug 28, 2006. Check the license (Mississippi 9629, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- A Keith Lay
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 9629 MS
Self-reported in NPPES; status is on the state search - Practice location
- 27 S Sixth St, Bay Springs, MS 39422
- Phone
- (604) 764-2143
- Enumerated
- Aug 28, 2006
- Record last updated
- Dec 18, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080911000231); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,165 in Mississippi → Look up another NPI →
Also registered at 27 S Sixth St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristen Ellzey, NP-CFamily Nurse Practitioner1548885759
- Alison Holder, FNPFamily Medicine Physician1700977675
- Mallory Jordan, FNPFamily Nurse Practitioner1073285573
- Lelia Simpson, FNP-CFamily Nurse Practitioner1568284271
Verify A Keith Lay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 9629Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average family medicine physician in 2024
10,706 Medicare Part D claims for 569 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 241 claims were for opioids.
Most prescribed
- Potassium Chloride415 claims
- Furosemide377 claims
- Gabapentin295 claims
- Amlodipine Besylate293 claims
- Pantoprazole Sodium268 claims
- Metformin Hcl256 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.
Industry payments in 2024: $53.79
3 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer 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.
One hospital affiliation
- Jasper General HospitalBay Springs, MS · Acute Care Hospitals
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).
A Keith Lay among 1,165 family medicine physician records in Mississippi
A Keith Lay, MD is one of 1,165 family medicine physician records with a practice address in Mississippi. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 48% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1981 · median 2003 among the 748 with a school on file
- Record last updated2013 · 60% 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 Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 family medicine physician records list a practice address in Bay Springs
They are 3 of the 34 NPPES records with a practice address in Bay Springs, and 1,165 family medicine physician records in Mississippi.
All 1,165 in Mississippi → Every provider in Bay Springs → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mark Deloach, MDBay Springs, MS 394221679681894
- Alison Holder, FNPBay Springs, MS 394221700977675
- Sara Duncan, MSN, FNP-CCarriere, MS 394261285108662
- Wayne Grayson, MDCarriere, MS 394261437169521
- Jason Beasley, M.D.Collins, MS 394281508860214
- Andrea Bruce, D.O.Collins, MS 394281295739894
- Karen Bruce, M.D.Collins, MS 394281942267281
- William Crooks, MDCollins, MS 394281598879314
Common questions
What is A Keith Lay, MD's NPI number?
A Keith Lay, MD's National Provider Identifier (NPI) is 1144338369, issued on Aug 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is A Keith Lay, MD located?
The NPPES record lists a practice address at 27 S Sixth St, Bay Springs, MS, 39422. Phone: (604) 764-2143. Providers update this record themselves, so call before visiting.
How can I verify A Keith Lay, MD's license?
NPPES lists Mississippi license number 9629, 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 A Keith Lay, MD prescribe under Medicare Part D?
In 2024, A Keith Lay, MD had 10,706 Medicare Part D claims for 569 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.