GREGORY ALLEN JOHNSON MD
NPI 1205936556
Internal Medicine in Piedmont, SC

Active since September 25, 2006PECOS EnrolledAccepts Medicare Assignment
1115 WREN SCHOOL RD, PIEDMONT, SC 29673(864) 859-0740 Get Directions Write a Review

NPPES record last updated: March 23, 2024. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 4, 2020, Jul 13, 2016 (2 updates tracked since 2016).

About Gregory Allen Johnson Md NPPES

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

GREGORY ALLEN JOHNSON MD (NPI 1205936556) is an individual internal medicine provider in Piedmont, South Carolina, licensed in South Carolina (27071) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Prisma Health Baptist Easley Hospital, and is a graduate of Medical University Of South Carolina College Of Medicine (2004).

NPPES Registry Identity

NPI1205936556
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameGREGORY ALLEN JOHNSONCredential: MD
Location Address1115 WREN SCHOOL RDPiedmont, SC 29673-8033
Mailing Address300 E Mcbee Ave Fl 4Greenville, SC 29601-2842 · (864) 522-8603
Sole ProprietorNo
Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 2004
Enumeration DateSeptember 25, 2006
Last NPPES UpdateMarch 23, 20242 updates tracked since enumeration
NPPES CertifiedMarch 23, 2024
NPI 1205936556 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in SC · 27071
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.

Also ListedPediatricsTaxonomy 208000000X · License 27071 (SC)
1115 WREN SCHOOL RD, Piedmont, SC 29673

Other Identifiers 2

OtherP01012806SC · Railroad Medicare
Medicaid270717SC

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Gregory Allen Johnson Md 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 ID7214003581
PECOS Enrollment IDI20080910000425
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.

Areas of Expertise CMS Part B claims 13

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
279 services101 patients
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490
Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.
174 services23 patients
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes 99457
This service involves reviewing and managing your health data, which is remotely monitored and collected. Your vital signs like heart rate and blood pressure are tracked regularly throughout the month. The first 20 minutes of this data analysis per month is included in this service.
160 services24 patients
Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days 99454
This service involves using devices to remotely track body functions like heart rate or blood pressure. These devices, provided initially, record data daily or send alerts if readings are abnormal. The service is renewed every 30 days.
134 services22 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
102 services67 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
86 services57 patients

Hospital Affiliations CMS Care Compare 4

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

Prisma Health Baptist Easley Hospital

Acute Care Hospitals · Easley, SC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420015
Location200 Fleetwood DriveEasley, SC 29640 · Pickens County
Emergency services

Anmed Health

Acute Care Hospitals · Anderson, SC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420027
Location800 N Fant StAnderson, SC 29621 · Anderson County
Emergency services Birthing friendly

Prisma Health Greenville Memorial Hospital

Acute Care Hospitals · Greenville, SC
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420078
Location701 Grove RoadGreenville, SC 29605 · Greenville County
Birthing friendly

Prisma Health Patewood Hospital

Acute Care Hospitals · Greenville, SC
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420102
Location175 Patewood DriveGreenville, SC 29615 · Greenville County
Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29673 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
7 suppliers22 claims38 services$6.27 avg. paid by Medicare
Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
3 suppliers31 claims31 services$206.58 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 8

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

Internal Medicine
1115 WREN SCHOOL RD
PIEDMONT, SC 29673
Internal Medicine
1115 WREN SCHOOL RD
PIEDMONT, SC 29673
Pediatrics
1115 WREN SCHOOL RD
PIEDMONT, SC 29673
Physician Assistant
1115 WREN SCHOOL RD
PIEDMONT, SC 29673
Internal Medicine
1115 WREN SCHOOL RD
PIEDMONT, SC 29673
Clinic/Center (Rural Health)
1115 WREN SCHOOL RD
PIEDMONT, SC 29673
Internal Medicine
1115 WREN SCHOOL RD
PIEDMONT, SC 29673
Internal Medicine
1115 WREN SCHOOL RD
PIEDMONT, SC 29673

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 Johnson's NPI number?

The NPI number for Gregory Johnson is 1205936556. It was assigned to this individual provider in the NPPES registry on September 25, 2006.

Where is Gregory Johnson located?

Gregory Johnson practices at 1115 Wren School Rd, Piedmont, SC 29673. The listed phone number is (864) 859-0740.

What is Gregory Johnson's specialty?

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

Is Gregory Johnson enrolled in Medicare?

Yes. Gregory Johnson 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.

What insurance does Gregory Johnson accept?

Health plans from Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina and InStil Health list Gregory Johnson 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 Johnson affiliated with any hospitals?

According to CMS data, Gregory Johnson is affiliated with Prisma Health Baptist Easley Hospital, Anmed Health, Prisma Health Greenville Memorial Hospital and Prisma Health Patewood Hospital.

When was this NPI record last updated?

The NPPES record for Gregory Johnson was last updated on March 23, 2024. NPI Profile syncs with the weekly NPPES data releases published by CMS.