CLARENCE GUNNAR SILVIS DO
NPI 1346085552
Internal Medicine in Charleston, SC

Active since June 28, 2024PECOS Enrolled
169 ASHLEY AVE RM 202, CHARLESTON, SC 29425(843) 792-4074 Get Directions Write a Review

NPPES record last updated: June 28, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Clarence Gunnar Silvis Do NPPES

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

CLARENCE GUNNAR SILVIS DO (NPI 1346085552) is an individual internal medicine provider in Charleston, South Carolina, licensed in South Carolina (LL92542) and active in the NPI registry since June 2024. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1346085552
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameCLARENCE GUNNAR SILVISCredential: DO
Location Address169 ASHLEY AVE RM 202Charleston, SC 29425-8905
Mailing Address169 Ashley Ave Rm 202Charleston, SC 29425-8905 · (843) 792-4074
Sole ProprietorNo
Enumeration DateJune 28, 2024
NPPES CertifiedApril 19, 2024
NPI 1346085552 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in SC · LL92542
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.
169 ASHLEY AVE RM 202, Charleston, SC 29425

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Clarence Gunnar Silvis Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29425 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
$124.04 typical visit price
range $53.57 – $163.84
Typical copayment $31.01 (range $13.39 – $40.96)
Most-billed visit code 99204
Established Patient
$95.12 typical visit price
range $16.96 – $133.52
Typical copayment $23.78 (range $4.24 – $33.38)
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 20

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

Surgery
169 ASHLEY AVE RM 202
CHARLESTON, SC 29425
Pediatrics
169 ASHLEY AVE RM 202
CHARLESTON, SC 29425
Surgery
169 ASHLEY AVE RM 202
CHARLESTON, SC 29425
Radiology (Diagnostic Radiology)
169 ASHLEY AVE RM 202
CHARLESTON, SC 29425
Anesthesiology
169 ASHLEY AVE RM 202
CHARLESTON, SC 29425
Surgery
169 ASHLEY AVE RM 202
CHARLESTON, SC 29425
Internal Medicine
169 ASHLEY AVE RM 202
CHARLESTON, SC 29425
Internal Medicine (Clinical Cardiac Electrophysiology)
169 ASHLEY AVE RM 202
CHARLESTON, SC 29425

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 Clarence Silvis's NPI number?

The NPI number for Clarence Silvis is 1346085552. It was assigned to this individual provider in the NPPES registry on June 28, 2024.

Where is Clarence Silvis located?

Clarence Silvis practices at 169 Ashley Ave Rm 202, Charleston, SC 29425. The listed phone number is (843) 792-4074.

What is Clarence Silvis's specialty?

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

Is Clarence Silvis enrolled in Medicare?

Yes. Clarence Silvis is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Clarence Silvis was last updated on June 28, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.