NPPES file of Aug 9, 2026

Adrienne Nicole Harrington-Merriweather, MD

Internal Medicine Physician · Ooltewah, TN

Adrienne Nicole Harrington-Merriweather, MD is an internal medicine physician with a practice address in Ooltewah, Tennessee, and NPI 1639391956, issued on May 3, 2007. Check the license (Tennessee 46216, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639391956
Name
Adrienne Nicole Harrington-Merriweather
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
46216 TN
Self-reported in NPPES; status is on the state search
Practice location
9309 Apison Pike, Ooltewah, TN 37363
Phone
(423) 551-3562
Enumerated
May 3, 2007
Record last updated
May 29, 2026
Fax
(423) 551-3563
Medicare enrollment
Enrolled (PECOS I20101020000349); accepts Medicare assignment
Medical or professional school
University Of Tennessee, Hsc, College Of Medicine, 2007
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 9309 Apison Pike

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

  1. Sandra Aaron, FNP-BCFamily Nurse Practitioner1801561964
  2. Hannah Bujak, MDFamily Medicine Physician1710090972
  3. Oliver Bujak, MDFamily Medicine Physician1063525228
  4. James Carsten, MDFamily Medicine Physician1194756023
  5. Heather Dunn, FNP-CFamily Nurse Practitioner1467947515
  6. Susan Gouge, DOFamily Medicine Physician1972537512

Verify Adrienne Nicole Harrington-Merriweather 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 46216
    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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2.2 times the Medicare Part D claims of the average internal medicine physician in 2024

6,862 Medicare Part D claims for 744 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 15 claims were for opioids.

  1. Adrienne Harrington-Merriweather6,862
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium372 claims
  2. Amlodipine Besylate359 claims
  3. Albuterol Sulfate Hfa262 claims
  4. Lisinopril254 claims
  5. Levothyroxine Sodium221 claims
  6. Metformin Hcl220 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: $15.43

1 payment: food and beverage; the largest payer was Amgen 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. Adrienne Harrington-Merriweather$15.43
  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. Chattanooga Hamilton County Hospital AuthorityChattanooga, TN

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

Adrienne Nicole Harrington-Merriweather among 2,596 internal medicine physician records in Tennessee

Adrienne Nicole Harrington-Merriweather, MD is one of 2,596 internal medicine physician records with a practice address in Tennessee. 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 2007, is newer than 54% of them.

  • NPI issued2007 · 54% of these records are older, 37% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2007 · median 2003 among the 1,705 with a school on file
  • Record last updated2026 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 internal medicine physician records list a practice address in Ooltewah

They are 8 of the 371 NPPES records with a practice address in Ooltewah, and 2,596 internal medicine physician records in Tennessee.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Essie Bruell, M.D.Ooltewah, TN 373631043479769
  2. Omar Chavez-Ramones, MDOoltewah, TN 373631487774311
  3. Thomas Klinner, MDOoltewah, TN 373631497802052
  4. Obadias Marquez, MDOoltewah, TN 373631174597546
  5. Shannon McCallie, MDOoltewah, TN 373631740275031
  6. Christine Myers, M.D.Ooltewah, TN 373631487641809
  7. Diane ShuckOoltewah, TN 373631801845383
  8. Fredrick Dibrell, M.D.Pikeville, TN 373671285654111

Common questions

What is Adrienne Nicole Harrington-Merriweather, MD's NPI number?

Adrienne Nicole Harrington-Merriweather, MD's National Provider Identifier (NPI) is 1639391956, issued on May 3, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Adrienne Nicole Harrington-Merriweather, MD located?

The NPPES record lists a practice address at 9309 Apison Pike, Ooltewah, TN, 37363. Phone: (423) 551-3562. Providers update this record themselves, so call before visiting.

How can I verify Adrienne Nicole Harrington-Merriweather, MD's license?

NPPES lists Tennessee license number 46216, 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 Adrienne Nicole Harrington-Merriweather, MD prescribe under Medicare Part D?

In 2024, Adrienne Nicole Harrington-Merriweather, MD had 6,862 Medicare Part D claims for 744 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.