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GREGORY CHRISTOPHER THACKER M.D.
NPI 1548606536
Emergency Medicine in Charlotte, NC

Active since May 16, 2013PECOS EnrolledAccepts Medicare Assignment
1000 BLYTHE BLVD, MEB 3, CHARLOTTE, NC 28203(704) 355-2000 Get Directions Write a Review

NPPES record last updated: July 10, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Gregory Christopher Thacker M.d. NPPES

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

GREGORY CHRISTOPHER THACKER M.D. (NPI 1548606536) is an individual emergency medicine provider in Charlotte, North Carolina, licensed in South Carolina (93499) and active in the NPI registry since May 2013. He is enrolled in Medicare PECOS, is affiliated with Spartanburg Medical Center, and maintains a secondary practice location in Spartanburg.

NPPES Registry Identity

NPI1548606536
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameGREGORY CHRISTOPHER THACKERCredential: M.D.
Location Address1000 BLYTHE BLVD, MEB 3Charlotte, NC 28203-5812
Mailing AddressPo Box 743070Atlanta, GA 30374-3070
Phone(704) 355-2000
Sole ProprietorNo
Medical School CMSVirginia Commonwealth University, School Of MedicineGraduated 2013
Enumeration DateMay 16, 2013
Last NPPES UpdateJuly 10, 2025
NPPES CertifiedJuly 10, 2025
✔ NPI 1548606536 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in SC · 93499✔ Licensed in NC · 191583
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.
1000 BLYTHE BLVD, Charlotte, NC 28203
Open in Google Maps ↗

Secondary Practice Location 1

Location 1101 E Wood StSpartanburg, SC 29303-3040 · Phone (864) 566-0702 · Fax (864) 560-7388

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of North Carolina and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gregory Christopher Thacker M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1951691401
PECOS Enrollment IDI20250723004224
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

7

Medicare enrollment records show Gregory Thacker reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Spartanburg Medical Center
46 mi
Cardiovascular Disease
104 PROFESSIONAL PARK STE B
Gaffney, SC 29340
  • Reassigned Medicare billing, South Carolina enrollment
  • 754 clinicians in this Medicare group
NPI 1316416688 (864) 489-3230
Pelham Medical Center
82 mi
Internal Medicine
250 WESTMORELAND RD
Greer, SC 29651
  • Reassigned Medicare billing, South Carolina enrollment
  • 313 clinicians in this Medicare group
NPI 1245496983 (864) 560-6619
Tarheel Emergency Group, PLLC
198 mi
Emergency Medicine
317 WESTERN BLVD
Jacksonville, NC 28546
  • Reassigned Medicare billing, North Carolina enrollment
  • 108 clinicians in this Medicare group
NPI 1386388874 (910) 577-2345
Vep Hutchinson Emergency Medical Group, LLC
967 mi
Emergency Medicine
1701 E 23RD AVE
Hutchinson, KS 67502
  • Reassigned Medicare billing, Kansas enrollment
  • 47 clinicians in this Medicare group
NPI 1669879110 (330) 493-4443
Usacs Of Colorado Inc
1,074 mi
Emergency Medicine
3001 AVENUE A
Dodge City, KS 67801
  • Reassigned Medicare billing, Kansas and Colorado enrollments
  • Also billed through NPI 1659156610 (Colorado)
  • 44 clinicians in this Medicare group
NPI 1447996301 (330) 994-4409
Usacs Observation Medicine Services Of Colorado Inc.
1,340 mi
Emergency Medicine
6011 E WOODMEN RD STE 340
Colorado Springs, CO 80923
  • Reassigned Medicare billing, Colorado enrollment
  • 285 clinicians in this Medicare group
NPI 1942161484 (844) 474-4019
Usacs Community Emergency Services Of Colorado, Inc.
1,351 mi
Emergency Medicine
9949 S OSWEGO ST
Parker, CO 80134
  • Reassigned Medicare billing, Colorado enrollment
  • 352 clinicians in this Medicare group
NPI 1376178863 (330) 493-4443

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.
167 services165 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.
92 services91 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.
47 services47 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.
42 services39 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.
26 services26 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Spartanburg Medical Center

Acute Care Hospitals · Spartanburg, SC
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number420007
Location101 E Wood StSpartanburg, SC 29303 · Spartanburg County
Emergency services Birthing friendly

Cherokee Medical Center

Acute Care Hospitals · Gaffney, SC
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number420043
Location1530 N Limestone StGaffney, SC 29340 · Cherokee County
Emergency services

Pelham Medical Center

Acute Care Hospitals · Greer, SC
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number420103
Location250 Westmoreland RoadGreer, SC 29651 · Greenville County
Emergency services

Union Medical Center

Acute Care Hospitals · Union, SC
OwnershipVoluntary non-profit - Other
CMS Certification Number420108
Location322 West South StreetUnion, SC 29379 · Union County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 28203 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
$83.90 typical visit price
range $54.12 – $165.09
Typical copayment $20.97 (range $13.53 – $41.27)
Most-billed visit code 99203
Established Patient
$95.94 typical visit price
range $17.21 – $134.61
Typical copayment $23.98 (range $4.30 – $33.65)
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.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier32 claims32 services$65.60 avg. paid by Medicare
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738
DME-Oxygen and Supplies · category DC000N
1 supplier17 claims17 services$33.32 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 20

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

JENNIFER EGAN M.D.
Pathology (Clinical Pathology/Laboratory Medicine)
1000 BLYTHE BLVD
CHARLOTTE, NC 28203
Mecklenburg County (704) 973-5500
CHELSEA KOLSHAK
Emergency Medicine
1000 BLYTHE BLVD
CHARLOTTE, NC 28203
Mecklenburg County (704) 355-3658
NEHA RAY MD
Emergency Medicine
1000 BLYTHE BLVD
CHARLOTTE, NC 28203
Mecklenburg County (704) 355-3181
DR. HANNAH ELIZABETH CORRAL MD
Emergency Medicine
1000 BLYTHE BLVD
CHARLOTTE, NC 28203
Mecklenburg County (704) 355-3658
PRECIOUS IRIAGHOMO WOODWARD
Nurse Anesthetist, Certified Registered
1000 BLYTHE BLVD
CHARLOTTE, NC 28203
Mecklenburg County (704) 355-2000
ALEXANDRU DANIEL VLASIN CRNA
Nurse Anesthetist, Certified Registered
1000 BLYTHE BLVD
CHARLOTTE, NC 28203
Mecklenburg County (704) 355-2000
BROOKE STEPHANIK
Pharmacist (Pediatrics)
1000 BLYTHE BLVD
CHARLOTTE, NC 28203
Mecklenburg County (704) 381-2000
DR. BERNARD VELARDO MD
Anesthesiology
1000 BLYTHE BLVD
CHARLOTTE, NC 28203
Mecklenburg County (704) 355-2000

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 Gregory Thacker's NPI number?

The NPI number for Gregory Thacker is 1548606536. It was assigned to this individual provider in the NPPES registry on May 16, 2013.

Where is Gregory Thacker located?

Gregory Thacker practices at 1000 Blythe Blvd Meb 3, Charlotte, NC 28203. The listed phone number is (704) 355-2000.

What is Gregory Thacker's specialty?

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

Is Gregory Thacker enrolled in Medicare?

Yes. Gregory Thacker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Gregory Thacker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Thacker reassigns Medicare benefits to 7 organizations: Spartanburg Medical Center (Gaffney, SC), Pelham Medical Center (Greer, SC), Tarheel Emergency Group, PLLC (Jacksonville, NC), Vep Hutchinson Emergency Medical Group, LLC (Hutchinson, KS), Usacs Of Colorado Inc (Dodge City, KS) and 2 more organizations, listed in the Medicare section above. 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 Gregory Thacker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Thacker accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, First Choice Next and Select Health list Gregory Thacker 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.

Is Gregory Thacker affiliated with any hospitals?

According to CMS data, Gregory Thacker is affiliated with Spartanburg Medical Center, Cherokee Medical Center, Pelham Medical Center and Union Medical Center.

When was this NPI record last updated?

The NPPES record for Gregory Thacker was last updated on July 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.