Dr. A Keith Lay Jr., MD
- Medicare services, 2020
- 1,387
- Part D claims, 2024
- 10,706
- Hospital affiliations
- 2
- Industry payments
- $379
- Medical group
- 1
- Practice address
- 15 South 6th Street, Bay Springs, MS 39422
- Practice phone
- Call (601) 764-2101
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lay's professional email, personal email and mobile number
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Dr. A Keith Lay Jr. is a family medicine physician in Bay Springs, Mississippi
Dr. Lay practices at Jasper General Hospital in Bay Springs, Mississippi, part of State of Mississippi.
Dr. Lay's NPI, 1144338369, was assigned on August 28, 2006. Dr. Lay holds Mississippi license 9629.
- NPI
- 1144338369NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850209826
- NPI enumeration date
- August 28, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (601) 764-2101
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. A Keith Lay Jr. practices at Jasper General Hospital in Bay Springs, Mississippi
Dr. Lay's primary practice is Jasper General Hospital, at 15 South 6th Street, Bay Springs, MS 39422 in Jasper County. The practice phone is (601) 764-2101.
- Jasper General Hospital15 South 6th Street, Bay Springs, MS 39422 · Jasper CountyPhone(601) 764-2101
Source: Dmand AI Affiliation Data
Dr. A Keith Lay Jr. is affiliated with 5 sites of care and 1 medical group
Dr. Lay's primary practice is Jasper General Hospital in Bay Springs, Mississippi, part of State of Mississippi. Dr. Lay is also affiliated with South Central Regional Medical Center. The medical group on file is Family Medical Clinic. Dmand AI also links Dr. Lay to 1 more home health agency, 1 rural health clinic and 1 urgent care center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. A Keith Lay Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lay practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Jasper General Hospital | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. A Keith Lay Jr. is one of 954 family medicine physicians in Mississippi
Family medicine is Dr. Lay's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Lay is licensed in Mississippi.
Specialties and state licenses
- Family medicine, MississippiPrimary
Family medicine physicians near Dr. Lay
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. A Keith Lay Jr. billed Medicare for 1,387 services in 2020
CMS data shows 1,387 Medicare services from Dr. Lay across 10 procedure codes in 2020. Medicare paid $40,252 for them. Every service was in an office.
Dr. Lay's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 02020: 864
- Drugs given in the office
- 2019: 02020: 288
- Tests and treatments
- 2019: 02020: 235
- Lab and pathology
- 2019: 1392020: 0100%
Dr. Lay compared with the Mississippi median for family medicine physicians, 2020
- Dr. Lay
- Mississippi median
- Medicare services
- 1,387vs 80073% above
- Part D claims
- 9,885vs 1,7925.5 times
Medians across 967 family medicine physicians in Mississippi with Dmand AI profiles that report each measure.
Dr. Lay's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lay and other family medicine physicians in Mississippi.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. A Keith Lay Jr.'s patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Lay's median patient age at 72, with 58% women.
Dr. Lay's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women58%
- Men42%
Source: Dmand AI Patient Panel Data
Dr. A Keith Lay Jr. wrote 10,706 Medicare Part D claims in 2024
In 2024, Dr. Lay wrote 10,706 Medicare Part D claims for 569 patients. 89% of them were for generic drugs. CMS names the drug for 9,885 of them, across 174 drugs with 11 or more claims each, at $452,409 in total drug cost. In 2023, CMS named 9,375 claims across 181 drugs.
Dr. Lay's Part D claims by kind of drug, 2024
- Generic9,523 claims89%
- Brand-name1,135 claims11%
- Other48 claims0%
Dr. Lay's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Lay's Part D claims, 2024
- Opioids2%241 of 10,706 claims
- Antibiotics4%434 of 10,706 claims
- Antipsychotics, patients 65 and over3%274 of 10,706 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9,3752024: 9,8855%
Drugs named by CMS: 174 in 2024, 181 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. A Keith Lay Jr. takes part in Medicare
Dr. Lay accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. A Keith Lay Jr. received $379 in industry payments from 2016 to 2024
CMS Open Payments shows 20 general payments to Dr. Lay from 10 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $62.
General payments to Dr. Lay by program year, 2016 to 2024
Companies that paid Dr. Lay the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. A Keith Lay Jr.'s profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. A Keith Lay Jr.
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. A Keith Lay Jr.'s NPI number?
Dr. A Keith Lay Jr.'s NPI number is 1144338369. It was assigned on August 28, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. A Keith Lay Jr.?
Dr. A Keith Lay Jr. is a family medicine physician in Bay Springs, Mississippi. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. A Keith Lay Jr. practice?
Dr. Lay practices at 15 South 6th Street, Bay Springs, MS 39422. Dr. Lay's primary practice is Jasper General Hospital in Bay Springs, Mississippi, part of State of Mississippi. Dmand AI also links Dr. Lay to 1 home health agency, 1 rural health clinic and 1 urgent care center.
What is Dr. A Keith Lay Jr.'s office phone number?
The practice phone on file for Dr. Lay is (601) 764-2101.
What is Dr. A Keith Lay Jr.'s medical license number?
Dr. Lay holds Mississippi license 9629.
Which hospitals is Dr. A Keith Lay Jr. affiliated with?
Dr. Lay practices at Jasper General Hospital in Bay Springs, Mississippi. Dr. Lay is also affiliated with South Central Regional Medical Center.
What medical group is Dr. A Keith Lay Jr. part of?
Dr. Lay is linked to Family Medical Clinic.
Does Dr. A Keith Lay Jr. accept Medicare?
Yes. CMS data shows Dr. Lay billed Medicare for 1,387 services in 2020, and Dr. Lay accepts Medicare assignment.
What services does Dr. A Keith Lay Jr. bill to Medicare?
In 2020, Dr. Lay's most billed Medicare services were office visit, established patient (99213), infusion or chemotherapy administration (96372) and nursing facility care (99307).
What drugs does Dr. A Keith Lay Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Lay's most prescribed drugs by claims were Potassium Chloride, Furosemide and Gabapentin.
Has Dr. A Keith Lay Jr. received payments from drug or device companies?
CMS Open Payments shows $379 in general payments to Dr. Lay from 10 companies from 2016 to 2024. The largest total came from Pfizer Inc.
How long has Dr. A Keith Lay Jr. been practicing?
Dr. Lay graduated from medical school in 1981, 45 years ago.
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