Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JEFFREY A JOHNSON MD
NPI 1275647117
Internal Medicine in Hattiesburg, MS

Q: What is Jeffrey Johnson's NPI number?

The NPI number for Jeffrey Johnson is 1275647117. It was assigned to this individual provider in the NPPES registry on August 18, 2006.

Q: What is Jeffrey Johnson's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Jeffrey Johnson was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 54 days 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.

Active since August 18, 2006PECOS EnrolledAccepts Medicare Assignment

4 MEDICAL BLVD, HATTIESBURG, MS 39401(601) 579-5444(601) 579-3083 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 1, 2026, Jul 2, 2020, Aug 23, 2016 (3 updates tracked since 2016).

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About Jeffrey A Johnson Md NPPES

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

JEFFREY A JOHNSON MD (NPI 1275647117) is an individual internal medicine provider in Hattiesburg, Mississippi, licensed in Mississippi (13364) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with South Central Reg Med Ctr, and maintains a secondary practice location in Hattiesburg.

NPPES Registry Identity

NPI1275647117

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameJEFFREY A JOHNSONCredential: MD

Location Address4 MEDICAL BLVDHattiesburg, MS 39401-7230

Mailing Address415 S 28th AveHattiesburg, MS 39401-7246 · (601) 579-5444 · Fax (601) 579-5240

Phone(601) 579-5444

Fax(601) 579-3083

Sole ProprietorNo

Medical School CMSLouisiana State University School Of Medicine In ShreveportGraduated 1984

Enumeration DateAugust 18, 2006

Last NPPES UpdateSeptember 1, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 1, 2026

✔ NPI 1275647117 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in MS · 13364

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.

4 MEDICAL BLVD, Hattiesburg, MS 39401

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Secondary Practice Location 1

Location 1421 S 28th Ave Ste 110Hattiesburg, MS 39401-7208 · Phone (601) 579-5444 · Fax (601) 579-3083

Other Identifiers 4

Other1558953MS · American Admin Group

Other110069593Railroad Medicare

Medicaid1343234LA

Medicaid00111172MS

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter Health 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

Jeffrey A 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 ID1658320858

PECOS Enrollment IDI20100506000407

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

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

Hattiesburg Clinic PA

0.1 mi

Obstetrics & Gynecology

421 S 28TH AVE, SUITE 200
Hattiesburg, MS 39401

Reassigned Medicare billing, Mississippi enrollment
696 clinicians in this Medicare group

NPI 1982785820 (601) 268-5640

Forrest County General Hospital

0.1 mi

Family Medicine

415 S 28TH AVE FL 1
Hattiesburg, MS 39401

Reassigned Medicare billing, Mississippi enrollment
248 clinicians in this Medicare group

NPI 1699267625 (601) 579-3300

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 17

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.

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.

3,656 services2,513 patients

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.

750 services284 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

749 services712 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.

425 services64 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.

373 services195 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

248 services156 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

169 services169 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.

154 services72 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

102 services97 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

99 services95 patients

Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439

Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.

65 services24 patients

Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg J0702

This injection contains two medications, betamethasone acetate and betamethasone sodium phosphate. It is used to reduce inflammation and pain. It's given by a healthcare professional, often directly into the area causing discomfort.

50 services14 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

35 services29 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

34 services23 patients

2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc U0002

This refers to a test for COVID-19, caused by the SARS-CoV-2 virus. The test identifies multiple types or subtypes of the virus, including all targets. It's not specifically based on the CDC's testing protocol. It helps determine if you're currently infected with the virus.

29 services27 patients

Calcium level, total 82310

A total calcium level test measures the amount of calcium in your blood. Calcium is essential for body functions like bone formation, nerve signal transmission, and muscle contraction. Abnormal levels may indicate conditions like bone disease or kidney disorders.

18 services14 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

14 services14 patients

Hospital Affiliations CMS Care Compare 5

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

South Central Reg Med Ctr

Acute Care Hospitals · Laurel, MS

2/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number250058

Location1220 Jefferson St Box 607Laurel, MS 39440 · Jones County

Emergency services Birthing friendly

Forrest General Hospital

Acute Care Hospitals · Hattiesburg, MS

1/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number250078

Location6051 Us Highway 49 SouthHattiesburg, MS 39404 · Forrest County

Emergency services Birthing friendly

Marion General Hospital

Acute Care Hospitals · Columbia, MS

OwnershipGovernment - Local

CMS Certification Number250085

Location1560 Sumrall RdColumbia, MS 39429 · Marion County

Emergency services

Walthall County General Hospital Cah

Critical Access Hospitals · Tylertown, MS

OwnershipGovernment - Local

CMS Certification Number251324

Location100 Hospital DriveTylertown, MS 39667 · Walthall County

Emergency services

Jefferson Davis Community Hospital Cah

Critical Access Hospitals · Prentiss, MS

OwnershipGovernment - State

CMS Certification Number251326

Location1102 Rose StreetPrentiss, MS 39474 · Jefferson Davis County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 39401 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

$120.41 typical visit price

range $51.65 – $159.18

Typical copayment $30.10 (range $12.91 – $39.79)

Most-billed visit code 99204

Established Patient

$92.20 typical visit price

range $16.15 – $129.61

Typical copayment $23.05 (range $4.03 – $32.40)

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 6

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

11 suppliers34 claims88 services$6.60 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

6 suppliers18 claims29 services$1.18 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier17 claims17 services$14.15 avg. paid by Medicare

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

3 suppliers35 claims35 services$88.03 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

1 supplier12 claims12 services$34.10 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

5 suppliers36 claims36 services$197.31 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.

DOUGLAS F THOMAS MD

Internal Medicine