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DR. JOSHUA DOMINIQUE GREGORY GAPP M.D.
NPI 1619171667
Pathology - Anatomic Pathology & Clinical Pathology in Knoxville, TN

Active since June 13, 2007PECOS EnrolledAccepts Medicare Assignment
315 ERIN DR, KNOXVILLE, TN 37919(865) 584-1933(865) 584-1323 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 11, 2025, Nov 30, 2020 (2 updates tracked since 2020).

About Dr. Joshua Dominique Gregory Gapp M.d. NPPES

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

DR. JOSHUA DOMINIQUE GREGORY GAPP M.D. (NPI 1619171667) is an individual anatomic pathology & clinical pathology provider in Knoxville, Tennessee, licensed in Tennessee (45004) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Morristown Hamblen Hospital Association, and maintains a secondary practice location in Montgomery.

NPPES Registry Identity

NPI1619171667
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameDR. JOSHUA DOMINIQUE GREGORY GAPPCredential: M.D.
Location Address315 ERIN DRKnoxville, TN 37919-6202
Mailing Address315 Erin DrKnoxville, TN 37919-6202 · (865) 584-1933 · Fax (865) 584-1323
Phone(865) 584-1933
Fax(865) 584-1323
Sole ProprietorNo
Medical School CMSUniversity Of North Dakota School Of MedicineGraduated 2004
Enumeration DateJune 13, 2007
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
NPPES CertifiedNovember 30, 2020
✔ NPI 1619171667 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License✔ Licensed in TN · 45004
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
315 ERIN DR, Knoxville, TN 37919
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Secondary Practice Location 1

Location 1225B Winton M Blount LoopMontgomery, AL 36117-3507 · Phone (334) 263-6228 · Fax (334) 265-9136

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare.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

Dr. Joshua Dominique Gregory Gapp 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 ID7517019755
PECOS Enrollment IDI20090717000614
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 Reassignments

2

Medicare enrollment records show Joshua Gapp reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

East Tennessee Pathology, PLLC
44 mi
Clinical Medical Laboratory
908 W 4TH NORTH ST, MORRISTOWN-HAMBLEN HOSPITAL
Morristown, TN 37814
  • Reassigned Medicare billing, Tennessee enrollment
  • 7 clinicians in this Medicare group
NPI 1194011080 (423) 586-4231
Outreach Clinics Unlimited PLLC
94 mi
Dermatology
1627 OLD GRAY STATION RD STE 4
Johnson City, TN 37615
  • Reassigned Medicare billing, Tennessee enrollment
NPI 1467968859 (423) 282-3376

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

Hospital Affiliations CMS Care Compare 5

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

Morristown Hamblen Hospital Association

Acute Care Hospitals · Morristown, TN
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number440030
Location908 W 4th North StMorristown, TN 37814 · Hamblen County
Emergency services Birthing friendly

Lafollette Medical Center

Acute Care Hospitals · La Follette, TN
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number440033
Location923 East Central AvenueLa Follette, TN 37766 · Campbell County
Emergency services

Tennova Healthcare-Jefferson Memorial Hospital

Acute Care Hospitals · Jefferson City, TN
2/5 CMS rating
OwnershipProprietary
CMS Certification Number440056
Location110 Hospital DriveJefferson City, TN 37760 · Jefferson County
Emergency services

Physicians Regional Medical Center

Acute Care Hospitals · Powell, TN
2/5 CMS rating
OwnershipProprietary
CMS Certification Number440120
Location7565 Dannaher Way PowellPowell, TN 37849 · Knox County
Emergency services Birthing friendly

Tennova Healthcare - Newport Medical Center

Acute Care Hospitals · Newport, TN
3/5 CMS rating
OwnershipProprietary
CMS Certification Number440153
Location435 2nd StNewport, TN 37821 · Cocke County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37919 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.

Other Providers at the Same Location NPPES

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

PAUL B GOOGE MD
Pathology (Dermatopathology)
315 ERIN DR
KNOXVILLE, TN 37919
Knox County (865) 584-1933

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 Joshua Gapp's NPI number?

The NPI number for Joshua Gapp is 1619171667. It was assigned to this individual provider in the NPPES registry on June 13, 2007.

Where is Joshua Gapp located?

Joshua Gapp practices at 315 Erin Dr, Knoxville, TN 37919. The listed phone number is (865) 584-1933.

What is Joshua Gapp's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Joshua Gapp enrolled in Medicare?

Yes. Joshua Gapp 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 organizations bill Medicare for Joshua Gapp's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joshua Gapp reassigns Medicare benefits to 2 organizations: East Tennessee Pathology, PLLC (Morristown, TN) and Outreach Clinics Unlimited PLLC (Johnson City, TN). Each 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 Joshua Gapp's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joshua Gapp accept?

Health plans from Cigna Healthcare list Joshua Gapp 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 Joshua Gapp affiliated with any hospitals?

According to CMS data, Joshua Gapp is affiliated with Morristown Hamblen Hospital Association, Lafollette Medical Center, Tennova Healthcare-Jefferson Memorial Hospital, Physicians Regional Medical Center and Tennova Healthcare - Newport Medical Center.

When was this NPI record last updated?

The NPPES record for Joshua Gapp was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.