Dr. Billy Wayne Jefferson Jr., DO

  • Hattiesburg, MS
  • Emergency medicine physician
NPI1407423809PAC ID6002261583
Medicare services, 2024
548
Medicare patients, 2024
428
Part D claims, 2024
238
MIPS score, 2024
87
Hospital affiliations
9
Practice address
6051 US Highway 49, Hattiesburg, MS 39401
Practice phone
Call (601) 288-7000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Forrest General Hospital

Hospital · Hattiesburg, Mississippi

See all 36 affiliations

Find Dr. Jefferson's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Billy Wayne Jefferson Jr. is an emergency medicine physician in Hattiesburg, Mississippi

Dr. Jefferson practices at Forrest General Hospital in Hattiesburg, Mississippi, part of Forrest County, MS.

Dr. Jefferson's NPI, 1407423809, was assigned on June 5, 2021. Dr. Jefferson graduated from William Carey University College of Osteopathic Medicine in 2021. Dr. Jefferson holds Louisiana license 337599.

NPI and contact details
Medicare PAC ID
6002261583
NPI enumeration date
June 5, 2021
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(601) 288-7000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
31
Medical school graduation
2021

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Billy Wayne Jefferson Jr. practices at Forrest General Hospital in Hattiesburg, Mississippi

Dr. Jefferson's primary practice is Forrest General Hospital, at 6051 US Highway 49, Hattiesburg, MS 39401 in Forrest County. The practice phone is (601) 288-7000.

Source: Dmand AI Affiliation Data

Dr. Billy Wayne Jefferson Jr. is affiliated with 14 sites of care and 22 medical groups

Dr. Jefferson's primary practice is Forrest General Hospital in Hattiesburg, Mississippi, part of Forrest County, MS. Dr. Jefferson is also affiliated with Willis Knighton North. The medical group on file is Relias Emergency Medicine Specialists of Hattiesburg. Dmand AI also links Dr. Jefferson to 7 more hospitals, 21 medical groups and 5 group practices and clinics, each named with a free account.

See all 36 affiliations for Dr. Jefferson

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Billy Wayne Jefferson Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Jefferson practices, 14 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Forrest General HospitalAvailable with a free account
+13 more sites and 21 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Jefferson practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Forrest County, MS and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Billy Wayne Jefferson Jr. is one of 400 emergency medicine physicians in Mississippi

Emergency medicine is Dr. Jefferson's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Jefferson is licensed in Louisiana.

Specialties and state licenses

  • Emergency medicine, LouisianaPrimaryLicense 337599 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Jefferson

Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Billy Wayne Jefferson Jr. billed Medicare for 548 services in 2024

CMS data shows 548 Medicare services from Dr. Jefferson across 4 procedure codes in 2024, for 428 Medicare patients. Medicare paid $53,301 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024548
Medicare patients428
Paid by Medicare$53,301
Procedure codes4

Dr. Jefferson's Medicare services by type, 2024

  1. Office and hospital visits438
  2. Tests and treatments110

Dr. Jefferson compared with the Mississippi median for emergency medicine physicians, 2024

  • Dr. Jefferson
  • Mississippi median
Medicare services
548vs 39240% above
Medicare patients
428vs 36418% above
Part D claims
101vs 11210% below

Medians across 383 emergency medicine physicians in Mississippi with Dmand AI profiles that report each measure.

Dr. Jefferson's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Jefferson

Need commercial claims for Dr. Jefferson?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Jefferson and other emergency medicine physicians in Mississippi.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Billy Wayne Jefferson Jr. treated 428 Medicare patients in 2024, average age 73

CMS counts 428 Medicare patients who saw Dr. Jefferson in 2024. The largest group is 75 to 84, with 149 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 2.17, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Jefferson's median patient age at 47, with 58% women.

Medicare patients, 2024428
Average age73
Average risk score2.17
Also on Medicaid31%

Dr. Jefferson's Medicare patients by age, 2024

Dr. Jefferson's Medicare patients by sex, 2024

  • Women25560%
  • Men17340%

Chronic conditions among Dr. Jefferson's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis63%
  4. Ischemic heart disease50%
  5. Diabetes49%
  6. Anxiety47%
  7. Mood disorders43%
  8. Chronic kidney disease42%

Share of Medicare patients with each condition. A patient can have several.

Dr. Jefferson's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 47

Patient panel by sex, all payers

  • Women58%
  • Men41%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Billy Wayne Jefferson Jr. wrote 238 Medicare Part D claims in 2024

In 2024, Dr. Jefferson wrote 238 Medicare Part D claims for 175 patients. 95% of them were for generic drugs. CMS names the drug for 101 of them, across 5 drugs with 11 or more claims each, at $510 in total drug cost.

Part D claims, 2024238
Drugs named by CMS5
Total drug cost$510
Part D patients175

Dr. Jefferson's Part D claims by kind of drug, 2024

  • Generic226 claims95%
  • Brand-name and other12 claims5%

Dr. Jefferson's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Jefferson's Part D claims, 2024

  • Opioids16%38 of 238 claims
  • Antibiotics29%68 of 238 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Dr. Jefferson

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Billy Wayne Jefferson Jr. scored 87 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Jefferson for performance year 2024, reported as part of a group. Dr. Jefferson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Jefferson's MIPS scores, performance year 2024

  • 87of 100Final score
  • 74of 100Quality
  • 40of 100Improvement Activities
  • 78of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

Find emergency medicine physicians like Dr. Jefferson by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Billy Wayne Jefferson Jr. received $85 in industry payments from 2023 to 2025

CMS Open Payments shows 5 general payments to Dr. Jefferson from 1 drug or device company from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $85.

General payments to Dr. Jefferson by program year, 2023 to 2025

Companies that paid Dr. Jefferson the most, 2023 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Jefferson

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Billy Wayne Jefferson Jr. graduated from William Carey University College of Osteopathic Medicine

Dr. Jefferson graduated from William Carey University College of Osteopathic Medicine in 2021.

  1. Medical schoolWilliam Carey University College of Osteopathic Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Billy Wayne Jefferson Jr.'s profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Billy Wayne Jefferson Jr.

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Billy Wayne Jefferson Jr.'s NPI number?

Dr. Billy Wayne Jefferson Jr.'s NPI number is 1407423809. It was assigned on June 5, 2021, and it is active in the NPI Registry.

What kind of doctor is Dr. Billy Wayne Jefferson Jr.?

Dr. Billy Wayne Jefferson Jr. is an emergency medicine physician in Hattiesburg, Mississippi. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Billy Wayne Jefferson Jr. practice?

Dr. Jefferson practices at 6051 US Highway 49, Hattiesburg, MS 39401. Dr. Jefferson's primary practice is Forrest General Hospital in Hattiesburg, Mississippi, part of Forrest County, MS. Dmand AI also links Dr. Jefferson to 7 hospitals, 21 medical groups and 5 group practices and clinics.

What is Dr. Billy Wayne Jefferson Jr.'s office phone number?

The practice phone on file for Dr. Jefferson is (601) 288-7000.

What is Dr. Billy Wayne Jefferson Jr.'s medical license number?

Dr. Jefferson holds Louisiana license 337599.

Which hospitals is Dr. Billy Wayne Jefferson Jr. affiliated with?

Dr. Jefferson practices at Forrest General Hospital in Hattiesburg, Mississippi. Dr. Jefferson is also affiliated with Willis Knighton North. Dmand AI links Dr. Jefferson to 7 more hospitals.

What medical group is Dr. Billy Wayne Jefferson Jr. part of?

Dr. Jefferson is linked to Relias Emergency Medicine Specialists of Hattiesburg. Dmand AI links Dr. Jefferson to 21 more medical groups.

Does Dr. Billy Wayne Jefferson Jr. accept Medicare?

Yes. CMS data shows Dr. Jefferson billed Medicare for 548 services in 2024, and Dr. Jefferson accepts Medicare assignment.

What is Dr. Billy Wayne Jefferson Jr.'s MIPS score?

Dr. Jefferson's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.

How many Medicare patients does Dr. Billy Wayne Jefferson Jr. see?

CMS counts 428 Medicare patients who saw Dr. Jefferson in 2024, with an average age of 73.

Show 5 more questionsShow fewer questions

What services does Dr. Billy Wayne Jefferson Jr. bill to Medicare?

In 2024, Dr. Jefferson's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).

Where did Dr. Billy Wayne Jefferson Jr. go to medical school?

Dr. Jefferson graduated from William Carey University College of Osteopathic Medicine in 2021.

What drugs does Dr. Billy Wayne Jefferson Jr. prescribe most?

In 2024 Medicare Part D data, Dr. Jefferson's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Cyclobenzaprine HCl and Ondansetron ODT.

Has Dr. Billy Wayne Jefferson Jr. received payments from drug or device companies?

CMS Open Payments shows $85 in general payments to Dr. Jefferson from 1 company from 2023 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Billy Wayne Jefferson Jr. been practicing?

Dr. Jefferson graduated from medical school in 2021, 5 years ago.

Selling to emergency medicine practices?

See emergency medicine physicians in Mississippi by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)