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.
- 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
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 9309 Apison Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Adrienne Nicole Harrington-Merriweather in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 46216Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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.
Most prescribed
- Atorvastatin Calcium372 claims
- Amlodipine Besylate359 claims
- Albuterol Sulfate Hfa262 claims
- Lisinopril254 claims
- Levothyroxine Sodium221 claims
- 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.
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
- 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.
All 2,596 in Tennessee → Every provider in Ooltewah → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Essie Bruell, M.D.Ooltewah, TN 373631043479769
- Omar Chavez-Ramones, MDOoltewah, TN 373631487774311
- Thomas Klinner, MDOoltewah, TN 373631497802052
- Obadias Marquez, MDOoltewah, TN 373631174597546
- Shannon McCallie, MDOoltewah, TN 373631740275031
- Christine Myers, M.D.Ooltewah, TN 373631487641809
- Diane ShuckOoltewah, TN 373631801845383
- 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.