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MICHAEL SOLOMON ASSEFA MD
NPI 1457849333
Hospitalist in Hattiesburg, MS

Active since April 26, 2018PECOS EnrolledAccepts Medicare Assignment
415 S 28TH AVE, HATTIESBURG, MS 39401(601) 288-4329(601) 579-5240 Get Directions Write a Review

NPPES record last updated: April 21, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 21, 2026, Mar 26, 2026, Mar 12, 2026 and 7 more (10 updates tracked since 2018).

About Michael Solomon Assefa Md NPPES

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

MICHAEL SOLOMON ASSEFA MD (NPI 1457849333) is an individual hospitalist provider in Hattiesburg, Mississippi, licensed in Georgia (87671) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Northside Hospital Cherokee, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1457849333
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameMICHAEL SOLOMON ASSEFACredential: MD
Location Address415 S 28TH AVEHattiesburg, MS 39401-7246
Mailing Address1682 Pottsburg Point DrJacksonville, FL 32207-2488 · (408) 568-8584
Phone(601) 288-4329
Fax(601) 579-5240
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateApril 26, 2018
Last NPPES UpdateApril 21, 202610 updates tracked since enumeration
NPPES CertifiedApril 21, 2026
✔ NPI 1457849333 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
Licenses✔ Licensed in GA · 87671✔ Licensed in MS · 36603✔ Licensed in WI · 1912-320
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License MD21167 (RI)
415 S 28TH AVE, Hattiesburg, MS 39401
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Secondary Practice Locations 2

Location 1593 Eddy StProvidence, RI 02903-4923 · Phone (401) 444-8450
Location 2855 N Westhaven DrOshkosh, WI 54904-7668 · Phone (920) 303-8700

Other Identifiers 1

Medicaid100210088WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, CareSource (Common Ground Healthcare), Cigna Healthcare 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

Michael Solomon Assefa 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 ID6709293871
PECOS Enrollment IDI20210408000555, I20260319002843
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

12

Medicare enrollment records show Michael Assefa reassigns Medicare billing to 12 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hattiesburg Clinic PA
Same address
Nephrology
415 S 28TH AVE
Hattiesburg, MS 39401
  • Reassigned Medicare billing, Mississippi enrollment
  • 696 clinicians in this Medicare group
NPI 1043392459 (601) 268-5700
Wellstar Medical Group, LLC
316 mi
Surgery
4904 TIMBER RIDGE DR, SUITE 104
Douglasville, GA 30135
  • Reassigned Medicare billing, Georgia enrollment
  • 3,885 clinicians in this Medicare group
NPI 1164715132 (770) 942-4822
North Atlanta Professional Services LLC
341 mi
Psychologist
1000 JOHNSON FERRY RD NE
Atlanta, GA 30342
  • Reassigned Medicare billing, Georgia enrollment
  • 783 clinicians in this Medicare group
NPI 1316959869 (855) 709-4535
Cogent Healthcare Of Georgia PC
347 mi
Internal Medicine
400 CHARTER BLVD
Macon, GA 31210
  • Reassigned Medicare billing, Georgia enrollment
  • 635 clinicians in this Medicare group
NPI 1609827823 (478) 757-8200
Hospital Medicine Services Of Tn, LLC
363 mi
Hospitalist
2300 PATTERSON ST
Nashville, TN 37203
  • Reassigned Medicare billing, Tennessee enrollment
  • 420 clinicians in this Medicare group
NPI 1982301065 (615) 342-1001
Aurora Medical Group, Inc.
809 mi
Nurse Anesthetist, Certified Registered
3301 W FOREST HOME AVE
Milwaukee, WI 53215
  • Reassigned Medicare billing, Wisconsin enrollment
  • 4,609 clinicians in this Medicare group
NPI 1427271378 (877) 576-3544
Ascension NE Wisconsin, Inc
876 mi
General Acute Care Hospital
500 S OAKWOOD RD
Oshkosh, WI 54904
  • Reassigned Medicare billing, Wisconsin enrollment
  • 194 clinicians in this Medicare group
NPI 1912527193 (920) 223-2000
Ascension Medical Group-Fox Valley Wisconsin, Inc
889 mi
Multi-Specialty
101 MAIN ST
Neenah, WI 54956
  • Reassigned Medicare billing, Wisconsin enrollment
  • 444 clinicians in this Medicare group
NPI 1730126392 (920) 727-4200
Baycare Aurora, LLC
911 mi
General Acute Care Hospital
2845 GREENBRIER RD
Green Bay, WI 54311
  • Reassigned Medicare billing, Wisconsin enrollment
  • 394 clinicians in this Medicare group
NPI 1255387726 (920) 288-8000
Tucson Physician Group Holdings, LLC
1,275 mi
Interventional Cardiology
395 N SILVERBELL RD STE 355
Tucson, AZ 85745
  • Reassigned Medicare billing, Arizona enrollment
  • 293 clinicians in this Medicare group
NPI 1356726939 (520) 622-5912

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 3

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
383 services134 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
60 services60 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
16 services16 patients

Hospital Affiliations CMS Care Compare 3

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

Northside Hospital Cherokee

Acute Care Hospitals · Canton, GA
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number110008
Location450 Northside Cherokee BoulevardCanton, GA 30115 · Cherokee 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

Memorial Healthcare System, Inc

Acute Care Hospitals · Chattanooga, TN
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number440091
Location2525 Desales AveChattanooga, TN 37404 · Hamilton County

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.

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.

DR. FRANK JOSEPH HUX DO
Neurological Surgery
415 S 28TH AVE
HATTIESBURG, MS 39401
Forrest County (601) 579-5459
DARVIN L SIBLEY CRNA
Nurse Anesthetist, Certified Registered
415 S 28TH AVE
HATTIESBURG, MS 39401
Forrest County (601) 261-3606
CARL SCOTT RAMSEY M.D.
Anesthesiology
415 S 28TH AVE
HATTIESBURG, MS 39401
Forrest County (601) 261-3606
MANJUNATH RAMAIAH MD
Hospitalist
415 S 28TH AVE
HATTIESBURG, MS 39401
Forrest County (601) 288-4329
RALPH E ABRAHAM MD
Surgery
415 S 28TH AVE
HATTIESBURG, MS 39401
Forrest County (601) 268-5660
JOSHUA A MAKSI MD
Psychiatry & Neurology (Neurology)
415 S 28TH AVE
HATTIESBURG, MS 39401
Forrest County (601) 268-5620
KRISTEN SICARD SPRUILL M.D.
Anesthesiology
415 S 28TH AVE
HATTIESBURG, MS 39401
Forrest County (601) 261-3606
GEORGE E HABEEB JR. MD
Hospitalist
415 S 28TH AVE
HATTIESBURG, MS 39401
Forrest County (601) 288-4329

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 Michael Assefa's NPI number?

The NPI number for Michael Assefa is 1457849333. It was assigned to this individual provider in the NPPES registry on April 26, 2018.

Where is Michael Assefa located?

Michael Assefa practices at 415 S 28th Ave, Hattiesburg, MS 39401. The listed phone number is (601) 288-4329.

What is Michael Assefa's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Michael Assefa enrolled in Medicare?

Yes. Michael Assefa 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 Michael Assefa's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Assefa reassigns Medicare benefits to 12 organizations: Hattiesburg Clinic PA (Hattiesburg, MS), Wellstar Medical Group, LLC (Douglasville, GA), North Atlanta Professional Services LLC (Atlanta, GA), Cogent Healthcare Of Georgia PC (Macon, GA), Hospital Medicine Services Of Tn, LLC (Nashville, TN) and 7 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 Michael Assefa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Assefa accept?

Health plans from Blue Cross Blue Shield of Arizona, CareSource (Common Ground Healthcare), Cigna Healthcare, Imperial Insurance Companies, Inc. and Oscar Insurance Company list Michael Assefa 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 Michael Assefa affiliated with any hospitals?

According to CMS data, Michael Assefa is affiliated with Northside Hospital Cherokee, Forrest General Hospital and Memorial Healthcare System, Inc.

When was this NPI record last updated?

The NPPES record for Michael Assefa was last updated on April 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.