GEOFFREY MILTON GRAY
NPI 1184891012
Emergency Medicine in Charleston, SC

Active since May 09, 2008PECOS Enrolled
37/100
CMS Quality Rating
9330 MEDICAL PLAZA DR, TRIDENT HEALTH SYSTEM, CHARLESTON, SC 29406(843) 797-7000 Get Directions Write a Review

NPPES record last updated: December 5, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Geoffrey Milton Gray NPPES

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

GEOFFREY MILTON GRAY (NPI 1184891012) is an individual emergency medicine provider in Charleston, South Carolina, licensed in South Carolina (31588) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1184891012
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameGEOFFREY MILTON GRAY
Location Address9330 MEDICAL PLAZA DR, TRIDENT HEALTH SYSTEMCharleston, SC 29406-9104
Mailing Address9330 Medical Plaza Dr, Trident Health SystemCharleston, SC 29406-9104
Sole ProprietorNo
Enumeration DateMay 9, 2008
Last NPPES UpdateDecember 5, 2025
NPPES CertifiedDecember 5, 2025
✔ NPI 1184891012 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in SC · 31588
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedGeneral PracticeTaxonomy 208D00000X · License 31588 (SC)
9330 MEDICAL PLAZA DR, Charleston, SC 29406

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Geoffrey Milton Gray 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 Reassignments

2

Medicare enrollment records show Geoffrey Gray reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine
809 82ND PKWY
Myrtle Beach, SC 29572
  • Reassigned Medicare billing, South Carolina enrollment
  • 559 clinicians in this Medicare group
Internal Medicine
1111 BROADWAY STE 300
Oakland, CA 94607
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Geniemd Medical Group Mo PC
  • 62 clinicians in this Medicare group

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

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
435 services419 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
279 services263 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
118 services116 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
34 services34 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
33 services33 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29406 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

37/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality20.39
Improvement Activities40

Reported Quality Measures

Ultrasound Determination of Pregnancy Location for Pregnant Patients with Abdominal Pain
100%30 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Nurse Practitioner (Acute Care)
9330 MEDICAL PLAZA DR
NORTH CHARLESTON, SC 29406
Internal Medicine (Critical Care Medicine)
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Emergency Medicine
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Student in an Organized Health Care Education/Training Program
9330 MEDICAL PLAZA DR
NORTH CHARLESTON, SC 29406
Surgery
9330 MEDICAL PLAZA DR
NORTH CHARLESTON, SC 29406
Physical Therapist
9330 MEDICAL PLAZA DR
NORTH CHARLESTON, SC 29406
Radiology (Radiation Oncology)
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406
Student in an Organized Health Care Education/Training Program
9330 MEDICAL PLAZA DR
CHARLESTON, SC 29406

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 Geoffrey Gray's NPI number?

The NPI number for Geoffrey Gray is 1184891012. It was assigned to this individual provider in the NPPES registry on May 9, 2008.

Where is Geoffrey Gray located?

Geoffrey Gray practices at 9330 Medical Plaza Dr Trident Health System, Charleston, SC 29406. The listed phone number is (843) 797-7000.

What is Geoffrey Gray's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Geoffrey Gray enrolled in Medicare?

Yes. Geoffrey Gray is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Geoffrey Gray's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Geoffrey Gray reassigns Medicare benefits to 2 organizations: Acs Primary Care Physicians - Southeast PC (Myrtle Beach, SC) and Geniemd Medical Group, Mo, P.C. (Oakland, CA). Each 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 Geoffrey Gray'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 Geoffrey Gray was last updated on December 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.