1. Home
  2. Directory
  3. Georgia
  4. St Simons Island
  5. Emergency Medicine
  6. NPI Profile

WILLIAM P JOHNSON JR. MD
NPI 1295756757
Emergency Medicine - Emergency Medical Services in St Simons Island, GA

Active since July 21, 2006PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
108 ISLAND PROFESSIONAL PARK, ST SIMONS ISLAND, GA 31522(912) 268-4372 Get Directions Write a Review

NPPES record last updated: May 1, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 1, 2024, Mar 7, 2023, Jun 4, 2019 (3 updates tracked since 2019).

About William P Johnson Jr. Md NPPES

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

WILLIAM P JOHNSON JR. MD (NPI 1295756757) is an individual emergency medical services provider in St Simons Island, Georgia, licensed in Georgia (064997) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Beaufort County Memorial Hospital, and maintains a secondary practice location in Columbia.

NPPES Registry Identity

NPI1295756757
Entity TypeIndividualMale
Primary Taxonomy207PE0004X
Provider Legal NameWILLIAM P JOHNSON JR.Credential: MD
Location Address108 ISLAND PROFESSIONAL PARKSt Simons Island, GA 31522-2880
Mailing Address108 Island Professional ParkSt Simons Island, GA 31522-2880 · (912) 268-4372
Phone(912) 268-4372
Sole ProprietorNo
Medical School CMSIndiana University School Of MedicineGraduated 2004
Enumeration DateJuly 21, 2006
Last NPPES UpdateMay 1, 20243 updates tracked since enumeration
NPPES CertifiedMay 1, 2024
✔ NPI 1295756757 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency Medicine · Emergency Medical ServicesAllopathic & Osteopathic Physicians
Taxonomy Code207PE0004X
License✔ Licensed in GA · 064997
Definition
An emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehicle, etc.) to provide pre-hospital assessment, treatment, and transport patients.
Also ListedEmergency MedicineTaxonomy 207P00000X · License 32549 (SC), R0961 (KY)
108 ISLAND PROFESSIONAL PARK, St Simons Island, GA 31522
Open in Google Maps ↗

Other Names 1

Other Name (5)Dr. William Potter Johnson

Secondary Practice Location 1

Location 114 Richland Medical Park Dr Ste 350Columbia, SC 29203-6896 · Phone (803) 434-1663 · Fax (803) 434-3894

Other Identifiers 2

OtherR0961KY · License
Other01063853AIN · Indiana State License

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

William P Johnson Jr. 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 ID42219768
PECOS Enrollment IDI20240628000577
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

4

Medicare enrollment records show William Johnson reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Georgia Emergency Associates
77 mi
Emergency Medicine
5629 HWY. 21 SOUTH
Rincon, GA 31326
  • Reassigned Medicare billing, Georgia enrollment
  • 53 clinicians in this Medicare group
NPI 1528098290 (912) 295-2133
Beaufort County Memorial Hospital
91 mi
Obstetrics & Gynecology
BEAUFORT MEMORIAL OBSTETRICS & GYNECOLOGY SPECIALISTS, 989 RIBAUT RD, STE 210
Beaufort, SC 29902
  • Reassigned Medicare billing, South Carolina enrollment
  • 212 clinicians in this Medicare group
NPI 1235552746 (843) 522-7820
Prisma Health Medical Group-Midlands
197 mi
Multi-Specialty
3555 HARDEN STREET EXT STE 300
Columbia, SC 29203
  • Reassigned Medicare billing, South Carolina enrollment
  • 1,466 clinicians in this Medicare group
NPI 1275988321 (803) 545-5000
Ies South Carolina LLC
232 mi
Emergency Medicine
1304 W BOBO NEWSOM HWY
Hartsville, SC 29550
  • Reassigned Medicare billing, South Carolina enrollment
  • 32 clinicians in this Medicare group
NPI 1821779695 (843) 339-2100

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.
233 services229 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.
120 services120 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.
95 services92 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.
38 services38 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.
15 services15 patients

Hospital Affiliations CMS Care Compare 3

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

Beaufort County Memorial Hospital

Acute Care Hospitals · Beaufort, SC
4/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number420067
Location955 Ribaut RdBeaufort, SC 29902 · Beaufort County
Emergency services Birthing friendly

Prisma Health Tuomey Hospital

Acute Care Hospitals · Sumter, SC
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420070
Location129 N Washington StSumter, SC 29150 · Sumter County
Emergency services Birthing friendly

Allendale County Hospital

Critical Access Hospitals · Fairfax, SC
OwnershipGovernment - Local
CMS Certification Number421300
Location1787 Allendale Fairfax RdFairfax, SC 29827 · Allendale County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 31522 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
$83.23 typical visit price
range $53.31 – $164.04
Typical copayment $20.80 (range $13.32 – $41.01)
Most-billed visit code 99203
Established Patient
$94.84 typical visit price
range $16.68 – $133.24
Typical copayment $23.71 (range $4.17 – $33.31)
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.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

Other Providers at the Same Location NPPES

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

AARON ALLEN
Marriage & Family Therapist
108 ISLAND PROFESSIONAL PARK
ST SIMONS IS, GA 31522
Glynn County (706) 809-4124

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 William Johnson's NPI number?

The NPI number for William Johnson is 1295756757. It was assigned to this individual provider in the NPPES registry on July 21, 2006. The provider is also known as Dr. William Potter Johnson.

Where is William Johnson located?

William Johnson practices at 108 Island Professional Park, St Simons Island, GA 31522. The listed phone number is (912) 268-4372.

What is William Johnson's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.

Is William Johnson enrolled in Medicare?

Yes. William 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.

Which organizations bill Medicare for William Johnson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Johnson reassigns Medicare benefits to 4 organizations: Georgia Emergency Associates (Rincon, GA), Beaufort County Memorial Hospital (Beaufort, SC), Prisma Health Medical Group-Midlands (Columbia, SC) and Ies South Carolina LLC (Hartsville, SC). 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 William Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is William Johnson affiliated with any hospitals?

According to CMS data, William Johnson is affiliated with Beaufort County Memorial Hospital, Prisma Health Tuomey Hospital and Allendale County Hospital.

When was this NPI record last updated?

The NPPES record for William Johnson was last updated on May 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.