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DR. CHARLES T TWEEL M.D.
NPI 1003993528
Family Medicine in Charleston, SC

Active since November 01, 2006PECOS Enrolled
51 NASSAU ST, CHARLESTON, SC 29403(803) 722-4112 Get Directions Write a Review

NPPES record last updated: March 14, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 14, 2019, Feb 1, 2019, Dec 19, 2016 (3 updates tracked since 2016).

About Dr. Charles T Tweel M.d. NPPES

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

DR. CHARLES T TWEEL M.D. (NPI 1003993528) is an individual family medicine provider in Charleston, South Carolina, licensed in South Carolina (81997) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1003993528
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. CHARLES T TWEELCredential: M.D.
Location Address51 NASSAU STCharleston, SC 29403-5513
Mailing Address51 Nassau StCharleston, SC 29403-5513 · (843) 722-4112
Phone(803) 722-4112
Sole ProprietorYes
Enumeration DateNovember 1, 2006
Last NPPES UpdateMarch 14, 20193 updates tracked since enumeration
✔ NPI 1003993528 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in SC · 81997
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
51 NASSAU ST, Charleston, SC 29403
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Other Identifiers 1

Medicaid0395415OH

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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include First Choice Next.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Charles T Tweel M.d. 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.

Medicare Billing Reassignment

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

Fetter Health Care Network, Inc.
Same address
Federally Qualified Health Center (FQHC)
51 NASSAU ST
Charleston, SC 29403
  • Reassigned Medicare billing, South Carolina enrollment
  • Also billed through NPI 1982124301 (South Carolina), NPI 1518454818 (South Carolina)
  • 79 clinicians in this Medicare group
NPI 1003827304 (843) 722-4112

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29403 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
$83.18 typical visit price
range $53.57 – $163.84
Typical copayment $20.79 (range $13.39 – $40.96)
Most-billed visit code 99203
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.

FETTER HEALTH CARE NETWORK, INC.
Clinic/Center (Federally Qualified Health Center (FQHC))
51 NASSAU ST
CHARLESTON, SC 29403
Charleston County (843) 722-4112
KENNEDE MARISSA WALLACE PHARMD
Pharmacist
51 NASSAU ST
CHARLESTON, SC 29403
Charleston County (843) 486-2084
TAMIA CUTTRAY PHARMD
Pharmacist
51 NASSAU ST
CHARLESTON, SC 29403
Charleston County (843) 790-9343
FETTER HEALTH CARE NETWORK, INC.
Clinic/Center (Dental)
51 NASSAU ST
CHARLESTON, SC 29403
Charleston County (843) 722-4112
KARYN ASHLEY REPASS SHEA RDH
Dental Hygienist
51 NASSAU ST
CHARLESTON, SC 29403
Charleston County (843) 722-4112
FETTER HEALTH CARE NETWORK, INC.
Clinic/Center (Dental)
51 NASSAU ST
CHARLESTON, SC 29403
Charleston County (843) 722-4112
CHRISTOPHER FECEK MD, MS
Family Medicine
51 NASSAU ST
CHARLESTON, SC 29403
Charleston County (843) 722-4112
FETTER HEALTH CARE NETWORK, INC.
Clinic/Center (Dental)
51 NASSAU ST
CHARLESTON, SC 29403
Charleston County (843) 722-4112

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 Charles Tweel's NPI number?

The NPI number for Charles Tweel is 1003993528. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Charles Tweel located?

Charles Tweel practices at 51 Nassau St, Charleston, SC 29403. The listed phone number is (803) 722-4112.

What is Charles Tweel's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Charles Tweel enrolled in Medicare?

Yes. Charles Tweel is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Charles Tweel's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Tweel reassigns Medicare benefits to Fetter Health Care Network, Inc. (Charleston, 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 Charles Tweel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Charles Tweel accept?

Health plans from First Choice Next list Charles Tweel 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.

When was this NPI record last updated?

The NPPES record for Charles Tweel was last updated on March 14, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.