NPPES file of Aug 9, 2026

Mark Andrew Seago, MD

Internal Medicine Physician · Columbia, TN

Mark Andrew Seago, MD is an internal medicine physician with a practice address in Columbia, Tennessee, and NPI 1497732762, issued on Dec 28, 2005. Check the license (Tennessee TN035012, as entered in NPPES) on the Tennessee Board of Medical Examiners; 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
1497732762
Name
Mark Andrew Seago
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
TN035012 TN
MD35012 TN
Self-reported in NPPES; status is on the state search
Practice location
1224 Trotwood Avenue, Columbia, TN 38401
Phone
(931) 380-4072
Enumerated
Dec 28, 2005
Record last updated
Jan 27, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(931) 490-7043
Medicaid IDs
3861725 TN
3861726 TN
3283015 TN
Medicare enrollment
Enrolled (PECOS I20050422000981); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In Shreveport, 1997
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 1224 Trotwood Avenue

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

  1. Starlyn Bailey, R.N.Registered Nurse1013109388
  2. William Brewer, M.D.Diagnostic Radiology Physician1649292160

Verify Mark Andrew Seago in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license TN035012
    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 Tennessee 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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86% fewer Medicare Part D claims than the average internal medicine physician in 2024

443 Medicare Part D claims for 226 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 17 claims were for opioids.

  1. Mark Seago443
  2. Specialty average3,176

Most prescribed

  1. Prednisone37 claims
  2. Furosemide32 claims
  3. Cefdinir25 claims
  4. Potassium Chloride25 claims
  5. Azithromycin20 claims
  6. Pantoprazole Sodium15 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 practice group's MIPS final score for 2023 (Medicare payment program): 76.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score68.2
  2. Costout of 100 · 30%54.4
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $19.86

1 payment: food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Seago$19.86
  2. Specialty average$1,303.06

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

  1. Maury Regional Medical Group, IncColumbia, TN

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

40 internal medicine physician records list a practice address in Columbia

They are 40 of the 1,337 NPPES records with a practice address in Columbia, and 2,596 internal medicine physician records in Tennessee.

Other internal medicine physician records in Tennessee

  1. John Aaron, MDClarksville, TN1629019922
  2. Damon Abaray, MDNashville, TN1275680134
  3. Samuel Abbas, MDHixson, TN1497105373
  4. Matthew Abbate, MDNashville, TN1982796306
  5. Sarmed Abdullah, M.D.Lexington, TN1588755359
  6. Temidayo Abe, MDNashville, TN1366947798
  7. Ahad Abid, MDNashville, TN1316500176
  8. Mouna Abouamara, MDJohnson City, TN1447324603
  9. Betty Abraham, MDChattanooga, TN1093923633
  10. Rawan Abu-Zeitoon, M.DKingsport, TN1265621072

Common questions

What is Mark Andrew Seago, MD's NPI number?

Mark Andrew Seago, MD's National Provider Identifier (NPI) is 1497732762, issued on Dec 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark Andrew Seago, MD located?

The NPPES record lists a practice address at 1224 Trotwood Avenue, Columbia, TN, 38401. Phone: (931) 380-4072. Providers update this record themselves, so call before visiting.

How can I verify Mark Andrew Seago, MD's license?

NPPES lists Tennessee license number TN035012, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark Andrew Seago, MD prescribe under Medicare Part D?

In 2024, Mark Andrew Seago, MD had 443 Medicare Part D claims for 226 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Mark Andrew Seago, MD's MIPS final score?

The 2023 MIPS final score is 76.8 of 100, reported for the practice group. 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.