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DR. CHARLES CARROLL GEER MD
NPI 1497782668
Internal Medicine in Charleston, SC

Active since June 26, 2006PECOS Enrolled
325 FOLLY RD STE 102B, CHARLESTON, SC 29412(843) 762-2323(843) 762-7629 Get Directions Write a Review

NPPES record last updated: November 24, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 24, 2020, Mar 16, 2020 (2 updates tracked since 2020).

About Dr. Charles Carroll Geer Md NPPES

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

DR. CHARLES CARROLL GEER MD (NPI 1497782668) is an individual internal medicine provider in Charleston, South Carolina, licensed in South Carolina (5694) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1497782668
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. CHARLES CARROLL GEERCredential: MD
Location Address325 FOLLY RD STE 102BCharleston, SC 29412-2507
Mailing AddressPo Box 751649Charlotte, NC 28275-1649 · (843) 789-1620 · Fax (843) 724-2440
Phone(843) 762-2323
Fax(843) 762-7629
Sole ProprietorNo
Enumeration DateJune 26, 2006
Last NPPES UpdateNovember 24, 20202 updates tracked since enumeration
NPPES CertifiedNovember 24, 2020
✔ NPI 1497782668 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 · 5694
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.
325 FOLLY RD STE 102B, Charleston, SC 29412
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Other Identifiers 1

Medicaid056940SC

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 Carroll Geer Md 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 Geer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Roper Saint Francis Physicians Network
Same address
Surgery
325 FOLLY RD STE 102A
Charleston, SC 29412
  • Reassigned Medicare billing, South Carolina enrollment
  • 658 clinicians in this Medicare group
NPI 1548905698 (843) 958-2590

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 29412 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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
14 suppliers30 claims80 services$6.48 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
9 suppliers13 claims19 services$1.08 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 3

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

DR. MARGARET VIRGINIA SORRELL D.O.
Family Medicine
325 FOLLY RD STE 102B
CHARLESTON, SC 29412
Charleston County (843) 762-2323
DANIELLE HARLAN METZLER M.D.
Family Medicine
325 FOLLY RD STE 102B
CHARLESTON, SC 29412
Charleston County (843) 762-2323
DR. FRANCES BETH HUGHES MD
Internal Medicine
325 FOLLY RD STE 102B
CHARLESTON, SC 29412
Charleston County (843) 762-2323

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 Geer's NPI number?

The NPI number for Charles Geer is 1497782668. It was assigned to this individual provider in the NPPES registry on June 26, 2006.

Where is Charles Geer located?

Charles Geer practices at 325 Folly Rd Ste 102B, Charleston, SC 29412. The listed phone number is (843) 762-2323.

What is Charles Geer's specialty?

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

Is Charles Geer enrolled in Medicare?

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

Which organization bills Medicare for Charles Geer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Geer reassigns Medicare benefits to Roper Saint Francis Physicians Network (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 Geer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Charles Geer was last updated on November 24, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.