ABIGAIL GASS M.D.
NPI 1043531932
Internal Medicine in Elizabethton, TN

Q: What is Abigail Gass's NPI number?

The NPI number for Abigail Gass is 1043531932. It was assigned to this individual provider in the NPPES registry on June 15, 2010.

Q: What is Abigail Gass's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Abigail Gass was last updated on August 14, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 15, 2010PECOS EnrolledAccepts Medicare Assignment

1503 W ELK AVE STE 5, ELIZABETHTON, TN 37643(423) 542-0400 Get Directions Write a Review

NPPES record last updated: August 14, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 14, 2020, Jun 23, 2020 (2 updates tracked since 2020).

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About Abigail Gass M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ABIGAIL GASS M.D. (NPI 1043531932) is an individual internal medicine provider in Elizabethton, Tennessee, licensed in Tennessee (60809) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS, is affiliated with Sycamore Shoals Hospital, and is a graduate of Medical University Of South Carolina College Of Medicine (2010).

NPPES Registry Identity

NPI1043531932

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameABIGAIL GASSCredential: M.D.

Location Address1503 W ELK AVE STE 5Elizabethton, TN 37643-2883

Mailing Address1503 W Elk Ave Ste 5Elizabethton, TN 37643-2883 · (423) 542-0400

Phone(423) 542-0400

Sole ProprietorYes

Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 2010

Enumeration DateJune 15, 2010

Last NPPES UpdateAugust 14, 20202 updates tracked since enumeration

NPPES CertifiedAugust 14, 2020

✔ NPI 1043531932 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in TN · 60809

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

1503 W ELK AVE STE 5, Elizabethton, TN 37643

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Abigail Gass M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3173765146

PECOS Enrollment IDI20200421002826

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Abigail Gass reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Roper Saint Francis Physicians Network

198 mi

Neurological Surgery

312 BROAD ST
Sumter, SC 29150

Reassigned Medicare billing, South Carolina enrollment
658 clinicians in this Medicare group

NPI 1407097181 (843) 723-8823

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

474 services183 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

164 services141 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

105 services105 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

96 services53 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

93 services93 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

91 services87 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

52 services13 patients

Injection, dexamethasone sodium phosphate, 1 mg J1100

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

52 services11 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

51 services34 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

39 services25 patients

Transitional care management services for problem of high complexity 99496

Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.

28 services24 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

23 services19 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

18 services18 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Sycamore Shoals Hospital

Acute Care Hospitals · Elizabethton, TN

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440018

Location1501 West Elk AvenueElizabethton, TN 37643 · Carter County

Emergency services

Johnson City Medical Center

Acute Care Hospitals · Johnson City, TN

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440063

Location400 N State Of Franklin RdJohnson City, TN 37604 · Washington County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37643 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$121.80 typical visit price

range $52.64 – $160.89

Typical copayment $30.45 (range $13.16 – $40.22)

Most-billed visit code 99204

Established Patient

$93.60 typical visit price

range $16.72 – $131.41

Typical copayment $23.40 (range $4.18 – $32.85)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

7 suppliers31 claims82 services$6.13 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

1 supplier12 claims12 services$76.02 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

2 suppliers29 claims34 services$189.70 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SOPHIE BREMER

Physician Assistant

1503 W ELK AVE STE 5
ELIZABETHTON, TN 37643

Carter County (423) 543-8124

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Abigail Gass's NPI number?

The NPI number for Abigail Gass is 1043531932. It was assigned to this individual provider in the NPPES registry on June 15, 2010.

Where is Abigail Gass located?

Abigail Gass practices at 1503 W Elk Ave Ste 5, Elizabethton, TN 37643. The listed phone number is (423) 542-0400.

What is Abigail Gass's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Abigail Gass enrolled in Medicare?

Yes. Abigail Gass is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Abigail Gass's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Abigail Gass reassigns Medicare benefits to Roper Saint Francis Physicians Network (Sumter, SC). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Abigail Gass's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Abigail Gass accept?

Health plans from BlueCross BlueShield of Tennessee and UnitedHealthcare list Abigail Gass as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Abigail Gass affiliated with any hospitals?

According to CMS data, Abigail Gass is affiliated with Sycamore Shoals Hospital and Johnson City Medical Center.

When was this NPI record last updated?

The NPPES record for Abigail Gass was last updated on August 14, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.