NPPES file of Aug 9, 2026

Marissa Layne Stewart-Jaynes, MD

Family Medicine Physician · Paducah, KY

Marissa Layne Stewart-Jaynes, MD is a family medicine physician with a practice address in Paducah, Kentucky, and NPI 1316258437, issued on Jun 23, 2010. Check the license (Kentucky 45314, as entered in NPPES) on the Kentucky Board of Medical Licensure; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1316258437
Name
Marissa Layne Stewart-Jaynes
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
45314 KY
Self-reported in NPPES; status is on the state search
Practice location
6321 Kentucky Dam RD, Paducah, KY 42003
Phone
(270) 898-8415
Enumerated
Jun 23, 2010
Record last updated
Oct 27, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(270) 898-4753
Medicaid ID
7100176770 KY
Medicare enrollment
Enrolled (PECOS I20110930000373); accepts Medicare assignment
Medical or professional school
University Of Louisville School Of Medicine, 2010
Telehealth
Offers telehealth (CMS)
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 6321 Kentucky Dam RD

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

  1. Peggy Hale, APRNFamily Nurse Practitioner1164054987
  2. Alexandra SutherlandFamily Nurse Practitioner1891676284
  3. Terri Telle, M.D.Family Medicine Physician1699772244
  4. Ethan Walker, MDFamily Medicine Physician1124551809
  5. Cari Wildharber, APRN, NP-CFamily Nurse Practitioner1134471113

Verify Marissa Layne Stewart-Jaynes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersKentucky Board of Medical Licensure
    Search for license 45314
    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 Kentucky 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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3.1 times the Medicare Part D claims of the average family medicine physician in 2024

11,047 Medicare Part D claims for 759 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. 170 claims were for opioids.

  1. Marissa Stewart-Jaynes11,047
  2. Specialty average3,544

Most prescribed

  1. Lisinopril437 claims
  2. Levothyroxine Sodium428 claims
  3. Omeprazole305 claims
  4. Amlodipine Besylate300 claims
  5. Atorvastatin Calcium297 claims
  6. Pantoprazole Sodium246 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.

Bills Medicare through one group practice

  1. Mercy Health Physicians Kentucky LLCPaducah, KY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marissa Layne Stewart-Jaynes among 1,968 family medicine physician records in Kentucky

Marissa Layne Stewart-Jaynes, MD is one of 1,968 family medicine physician records with a practice address in Kentucky. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 64% of them.

  • NPI issued2010 · 64% of these records are older, 34% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2010 · median 2006 among the 1,277 with a school on file
  • Record last updated2020 · 57% 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 Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

34 family medicine physician records list a practice address in Paducah

They are 34 of the 1,910 NPPES records with a practice address in Paducah, and 1,968 family medicine physician records in Kentucky.

The 8 family medicine physician records with the nearest ZIP codes

  1. Katherine Arenz, D.O.Paducah, KY 420031043460751
  2. Karen Banister, M.D.Paducah, KY 420031730248535
  3. Kenneth Cook, MDPaducah, KY 420031720169501
  4. Shanna Leslie, M.D.Paducah, KY 420031730278920
  5. Darrell Leslie, M.D.Paducah, KY 420031588741755
  6. Mohammed Mahmood, M.D.Paducah, KY 420031962815399
  7. Sunny Mehrotra, M.D.Paducah, KY 420031194103986
  8. Jennifer Nelson, DOPaducah, KY 420031336222512

Common questions

What is Marissa Layne Stewart-Jaynes, MD's NPI number?

Marissa Layne Stewart-Jaynes, MD's National Provider Identifier (NPI) is 1316258437, issued on Jun 23, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Marissa Layne Stewart-Jaynes, MD located?

The NPPES record lists a practice address at 6321 Kentucky Dam RD, Paducah, KY, 42003. Phone: (270) 898-8415. Providers update this record themselves, so call before visiting.

How can I verify Marissa Layne Stewart-Jaynes, MD's license?

NPPES lists Kentucky license number 45314, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Marissa Layne Stewart-Jaynes, MD prescribe under Medicare Part D?

In 2024, Marissa Layne Stewart-Jaynes, MD had 11,047 Medicare Part D claims for 759 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.