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DR. DINAR SAYANI
NPI 1407293293
Internal Medicine in Lenoir City, TN

Active since June 03, 2013CLIA 44D1092821 · Waiver
4160 MEDICAL PARK DR., SUITE 107, LENOIR CITY, TN 37772(865) 986-4277(865) 986-4288 Get Directions Write a Review

NPPES record last updated: November 5, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Dinar Sayani NPPES

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

DR. DINAR SAYANI (NPI 1407293293) is a healthcare organization registered as an internal medicine in Lenoir City, Tennessee and active in the NPI registry since June 2013. The organization holds a CLIA Waiver certificate valid through December 3, 2026 and lists Ed Curtis, Chief Administrative Officer, as its authorized official.

NPPES Registry Identity

NPI1407293293
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameSUMMIT MEDICAL GROUP, PLLC
Location Address4160 MEDICAL PARK DR., SUITE 107Lenoir City, TN 37772
Mailing Address1225 E Weisgarber Rd, Suite 200Knoxville, TN 37909-2604 · (865) 584-4747 · Fax (865) 584-1363
Phone(865) 986-4277
Fax(865) 986-4288
Organization SubpartNo
Authorized OfficialEd CurtisChief Administrative Officer · (865) 584-4747
Enumeration DateJune 3, 2013
Last NPPES UpdateNovember 5, 2015
✔ NPI 1407293293 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
4160 MEDICAL PARK DR., Lenoir City, TN 37772
Open in Google Maps ↗

Other Names 1

Doing Business AsDr. Dinar Sayani

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Dr. Dinar Sayani is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

1,001

Medicare enrollment records show 1,001 clinicians reassign Medicare billing to Dr. Dinar Sayani, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 89 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 28

Nurse Practitioner393
Internal Medicine186
Family Practice156
Diagnostic Radiology102
Registered Dietitian or Nutrition Professional39
Physical Therapist in Private Practice26
Pulmonary Disease23
Pediatric Medicine14
20 other specialties62

Nearest to this location (20)

See all 1,001
Amber Cook, FNP
Nurse Practitioner
NPI 1306680673
460 MEDICAL PARK DR STE 107
Lenoir City, TN 37772
(865) 986-4277
✔ PECOS✔ Accepts MedicareSame address
Dinar Sayani, MD
Internal Medicine
NPI 1497753602
460 MEDICAL PARK DR SUITE 107
Lenoir City, TN 37772
(865) 986-4277
✔ PECOS✔ Accepts MedicareSame address
Dwyn Mounger, FNP-C
Nurse Practitioner
NPI 1417497041
423 MEDICAL PARK DR STE 100
Lenoir City, TN 37772
(865) 271-6600
✔ PECOS✔ Accepts MedicareSame address
John Sasinouski, D.O.
Family Practice
NPI 1174579908
550 FORT LOUDOUN MEDICAL CENTER DR
Lenoir City, TN 37772
(865) 271-6000
✔ PECOS✔ Accepts Medicare0.2 mi
Angela Davis, NP
Nurse Practitioner
NPI 1245678598
1018 HIGHWAY 321 N
Lenoir City, TN 37771
(865) 986-4450
✔ PECOS0.4 mi
Crystal Helton, FNP
Nurse Practitioner
NPI 1346940376
1018 HIGHWAY 321 N
Lenoir City, TN 37771
(865) 986-4450
✔ PECOS✔ Accepts Medicare0.4 mi
Emma Nelson, FNP-C
Nurse Practitioner
NPI 1699345959
1018 HIGHWAY 321 N
Lenoir City, TN 37771
(865) 986-4450
✔ PECOS✔ Accepts Medicare0.4 mi
Crystal Tinch, FNP-C
Nurse Practitioner
NPI 1790417624
1018 HIGHWAY 321 N
Lenoir City, TN 37771
(865) 986-4450
✔ PECOS✔ Accepts Medicare0.4 mi
Mary Cramer, FNP
Nurse Practitioner
NPI 1144670845
1018 HIGHWAY 321 N
Lenoir City, TN 37771
(865) 986-4450
✔ PECOS✔ Accepts Medicare0.4 mi
Gail Marie Walter, MD
Family Practice
NPI 1619903192
1018 HIGHWAY 321 N
Lenoir City, TN 37771
(865) 986-4450
✔ PECOS✔ Accepts Medicare0.4 mi
Beverly Watkins, APN
Nurse Practitioner
NPI 1154557957
1018 HIGHWAY 321 N
Lenoir City, TN 37771
(865) 986-4450
✔ PECOS✔ Accepts Medicare0.4 mi
Vicki Forester, N.P.
Nurse Practitioner
NPI 1407307531
1018 HIGHWAY 321 N
Lenoir City, TN 37771
(865) 986-4450
✔ PECOS✔ Accepts Medicare0.4 mi
Jan Hahn, MD
Family Practice
NPI 1619976024
501 ADESSA PKWY SUITE A-150
Lenoir City, TN 37771
(865) 986-8082
✔ PECOS0.6 mi
Matthew Lowrance, DO
Ophthalmology
NPI 1417284647
5491 CREEKWOOD PARK BLVD
Lenoir City, TN 37772
(800) 500-4667
✔ PECOS✔ Accepts Medicare0.9 mi
David Montgomery, OD
Optometry
NPI 1467447425
5491 CREEKWOOD PARK BLVD
Lenoir City, TN 37772
(800) 500-4667
✔ PECOS✔ Accepts Medicare0.9 mi
Julia Reimold, OD
Optometry
NPI 1245840214
5491 CREEKWOOD PARK BLVD
Lenoir City, TN 37772
(800) 500-4667
✔ PECOS✔ Accepts Medicare0.9 mi
Sullivan Smoak, MD
Ophthalmology
NPI 1184369175
5491 CREEKWOOD PARK BLVD
Lenoir City, TN 37772
(800) 500-4667
✔ PECOS0.9 mi
Melissa Thomas, O.D.
Optometry
NPI 1982982187
5491 CREEKWOOD PARK BLVD
Lenoir City, TN 37772
(800) 500-4667
✔ PECOS✔ Accepts Medicare0.9 mi
Lauren Gallian, FNP
Nurse Practitioner
NPI 1790124592
721 HIGHWAY 321 N STE C
Lenoir City, TN 37771
(865) 986-3283
✔ PECOS✔ Accepts Medicare1.0 mi
Elizabeth Bell, APN
Nurse Practitioner
NPI 1134779184
721 HIGHWAY 321 N STE C
Lenoir City, TN 37771
(865) 986-3283
✔ PECOS✔ Accepts Medicare1.0 mi
See all 1,001 clinicians

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 44D1092821

Dinar Sayani Internal Medicine, PLLC · Lenoir City, TN
Active · expires Dec 3, 2026
CLIA Number44D1092821
Laboratory TypePhysician Office
Certificate Effective DateDecember 4, 2024
Certificate Expiration DateDecember 3, 2026
Laboratory DirectorDinar Sayani MD
Laboratory Phone(865) 986-4277
Laboratory LocationDinar Sayani Internal Medicine, PLLC460 Medical Park Dr, Ste 107, Lenoir City, TN 37772
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Summit Medical Group, PLLC's NPI number?

The NPI number for Summit Medical Group, PLLC is 1407293293. It was assigned to this organization in the NPPES registry on June 3, 2013. The provider is doing business as Dr. Dinar Sayani.

Where is Summit Medical Group, PLLC located?

Summit Medical Group, PLLC is located at 4160 Medical Park Dr. Suite 107, Lenoir City, TN 37772. The listed phone number is (865) 986-4277.

What is Summit Medical Group, PLLC's specialty?

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

Is Summit Medical Group, PLLC enrolled in Medicare?

Yes. Summit Medical Group, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Summit Medical Group, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1,001 clinicians in 28 Medicare specialties reassign their Medicare billing to Summit Medical Group, PLLC. 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. The largest specialties are Nurse Practitioner (393), Internal Medicine (186) and Family Practice (156). Of these, 3 practice at this address and 89 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Summit Medical Group, PLLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 44D1092821) is associated with this NPI, valid through December 3, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Summit Medical Group, PLLC was last updated on November 5, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.