Abigail Gass, M.D.
Internal Medicine Physician · Elizabethton, TN
Abigail Gass, M.D. is an internal medicine physician with a practice address in Elizabethton, Tennessee, and NPI 1043531932, issued on Jun 15, 2010. Check the license (Tennessee 60809, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Abigail Gass
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 60809 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1503 W Elk Ave Ste 5, Elizabethton, TN 37643
- Phone
- (423) 542-0400
- Enumerated
- Jun 15, 2010
- Record last updated
- Aug 14, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200421002826); accepts Medicare assignment
- Medical or professional school
- Medical University Of South Carolina College Of Medicine, 2010
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →
Also registered at 1503 W Elk Ave Ste 5
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sophie BremerPhysician Assistant1902410749
Verify Abigail Gass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 60809Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average internal medicine physician in 2024
11,586 Medicare Part D claims for 695 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 161 claims were for opioids.
Most prescribed
- Atorvastatin Calcium539 claims
- Levothyroxine Sodium471 claims
- Amlodipine Besylate408 claims
- Losartan Potassium374 claims
- Lisinopril348 claims
- Alprazolam301 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: $351.16
20 payments; by number, the most common kind was 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.
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
- Champion Physical Therapy LLC HallsElizabethton, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Abigail Gass among 2,596 internal medicine physician records in Tennessee
Abigail Gass, M.D. 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 2010, is newer than 68% of them.
- NPI issued2010 · 68% of these records are older, 30% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2010 · median 2003 among the 1,705 with a school on file
- Record last updated2020 · 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).
6 internal medicine physician records list a practice address in Elizabethton
They are 6 of the 377 NPPES records with a practice address in Elizabethton, and 2,596 internal medicine physician records in Tennessee.
All 2,596 in Tennessee → Every provider in Elizabethton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jonathan Bremer, M.D.Elizabethton, TN 376431336181239
- Vivian Clark, M.D.Elizabethton, TN 376431205889508
- Michelle Davenport, M.D.Elizabethton, TN 376431497813026
- David Fenner, MDElizabethton, TN 376431124119458
- Robert Walter, MDElizabethton, TN 376431780774570
- Rabeeya Nusrat, M.DChurch Hill, TN 376421134382880
- Laura Cox, MDErwin, TN 376501275574949
- Charles Miller, DOErwin, TN 376501366492639
Common questions
What is Abigail Gass, M.D.'s NPI number?
Abigail Gass, M.D.'s National Provider Identifier (NPI) is 1043531932, issued on Jun 15, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Abigail Gass, M.D. located?
The NPPES record lists a practice address at 1503 W Elk Ave Ste 5, Elizabethton, TN, 37643. Phone: (423) 542-0400. Providers update this record themselves, so call before visiting.
How can I verify Abigail Gass, M.D.'s license?
NPPES lists Tennessee license number 60809, 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 Abigail Gass, M.D. prescribe under Medicare Part D?
In 2024, Abigail Gass, M.D. had 11,586 Medicare Part D claims for 695 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.