1. Home
  2. Directory
  3. Tennessee
  4. Gainesboro
  5. Internal Medicine
  6. NPI Profile

DOUGLAS DYCUS
NPI 1013195106
Internal Medicine in Gainesboro, TN

Active since January 31, 2008
3698 S GRUNDY QUARLES HWY, GAINESBORO, TN 38562(931) 268-3224(931) 268-3228 Get Directions Write a Review

NPPES record last updated: January 31, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Douglas Dycus NPPES

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

DOUGLAS DYCUS (NPI 1013195106) is a healthcare organization registered as an internal medicine in Gainesboro, Tennessee and active in the NPI registry since January 2008. The organization lists Tammy Dycus, Office Manger, as its authorized official.

NPPES Registry Identity

NPI1013195106
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameDOUGLAS DYCUS
Location Address3698 S GRUNDY QUARLES HWYGainesboro, TN 38562-5950
Mailing AddressPo Box 247Gainesboro, TN 38562-0247 · (931) 268-3224 · Fax (931) 268-3228
Phone(931) 268-3224
Fax(931) 268-3228
Organization SubpartNo
Authorized OfficialTammy DycusOffice Manger · (931) 268-3224
Enumeration DateJanuary 31, 2008
✔ NPI 1013195106 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 · MD020847
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.
3698 S GRUNDY QUARLES HWY, Gainesboro, TN 38562
Open in Google Maps ↗

Other Identifiers 2

Medicare PIN3371574TN
Medicaid3371574TN

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Douglas Dycus is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Douglas Dycus, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Douglas Dycus, M.D.
Internal Medicine
NPI 1780601708
3698 S GRUNDY QUARLES HWY
Gainesboro, TN 38562
(931) 268-3224
✔ PECOS✔ Accepts Medicare0.1 mi
Dolores Thomas, FNP
Nurse Practitioner
NPI 1932536125
215 W 6TH ST
Cookeville, TN 38501
(931) 783-2800
✔ PECOS8.8 mi

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

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 Douglas Dycus's NPI number?

The NPI number for Douglas Dycus is 1013195106. It was assigned to this organization in the NPPES registry on January 31, 2008.

Where is Douglas Dycus located?

Douglas Dycus is located at 3698 S Grundy Quarles Hwy, Gainesboro, TN 38562. The listed phone number is (931) 268-3224.

What is Douglas Dycus's specialty?

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

Is Douglas Dycus enrolled in Medicare?

Yes. Douglas Dycus is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Douglas Dycus?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Douglas Dycus, in Internal Medicine and Nurse Practitioner. A 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 the clinician's services. Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Douglas Dycus was last updated on January 31, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.