KARLA PERRIZO MD
NPI 1588840706
Pathology - Anatomic Pathology & Clinical Pathology in Hattiesburg, MS

Active since January 17, 2008PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
5052 W 4TH ST, HATTIESBURG, MS 39402(601) 261-2587(601) 264-7426 Get Directions Write a Review

NPPES record last updated: February 19, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 21, 2021, Aug 29, 2018 (2 updates tracked since 2018).

About Karla Perrizo Md NPPES

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

KARLA PERRIZO MD (NPI 1588840706) is an individual anatomic pathology & clinical pathology provider in Hattiesburg, Mississippi, licensed in Texas (N1415) and active in the NPI registry since January 2008. She is enrolled in Medicare PECOS, is affiliated with Merit Health River Region, and is a graduate of University Of Texas Medical Branch At Galveston (2005).

NPPES Registry Identity

NPI1588840706
Entity TypeIndividualFemale
Primary Taxonomy207ZP0102X
Provider Legal NameKARLA PERRIZOCredential: MD
Location Address5052 W 4TH STHattiesburg, MS 39402-1069
Mailing Address5052 W 4th StHattiesburg, MS 39402-1069 · (601) 261-2587 · Fax (601) 264-7426
Fax(601) 264-7426
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical Branch At GalvestonGraduated 2005
Enumeration DateJanuary 17, 2008
Last NPPES UpdateFebruary 19, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 19, 2026
NPI 1588840706 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
Licenses Licensed in TX · N1415 Licensed in MS · 21832
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
5052 W 4TH ST, Hattiesburg, MS 39402

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

Karla Perrizo 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 ID7618026923
PECOS Enrollment IDI20180806000385, I20220218000067
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 20

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
1,591 services833 patients
Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
826 services411 patients
Special stained specimen slides to examine tissue, each additional procedure 88341
Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.
172 services55 patients
Special stained specimen slides to examine tissue, initial procedure 88342
This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.
168 services152 patients
Pathology examination of tissue using a microscope, moderately high complexity 88307
A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.
116 services90 patients
Pathology examination of tissue using a microscope, moderately low complexity 88304
A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.
112 services107 patients

Hospital Affiliations CMS Care Compare 5

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

Merit Health River Region

Acute Care Hospitals · Vicksburg, MS
2/5 CMS rating
OwnershipProprietary
CMS Certification Number250031
Location2100 Hwy 61 NVicksburg, MS 39183 · Warren County
Emergency services Birthing friendly

Merit Health Natchez

Acute Care Hospitals · Natchez, MS
2/5 CMS rating
OwnershipProprietary
CMS Certification Number250084
Location52 Sergeant Prentiss DriveNatchez, MS 39120 · Adams County
Emergency services Birthing friendly

Merit Health Wesley

Acute Care Hospitals · Hattiesburg, MS
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number250094
Location5001 W Hardy StHattiesburg, MS 39402 · Lamar County
Emergency services Birthing friendly

Jps Health Network

Acute Care Hospitals · Fort Worth, TX
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450039
Location1500 S Main StFort Worth, TX 76104 · Tarrant County
Emergency services Birthing friendly

De Tar Hospital Navarro

Acute Care Hospitals · Victoria, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450147
Location506 E San Antonio StVictoria, TX 77901 · Victoria County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 39402 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.

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 7

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

Pathology (Anatomic Pathology & Clinical Pathology)
5052 W 4TH ST
HATTIESBURG, MS 39402
Pathology (Anatomic Pathology & Clinical Pathology)
5052 W 4TH ST
HATTIESBURG, MS 39402
Pathology (Anatomic Pathology & Clinical Pathology)
5052 W 4TH ST
HATTIESBURG, MS 39402
Pathology (Anatomic Pathology & Clinical Pathology)
5052 W 4TH ST
HATTIESBURG, MS 39402
Pathology (Anatomic Pathology)
5052 W 4TH ST
HATTIESBURG, MS 39402
Pathology (Anatomic Pathology & Clinical Pathology)
5052 W 4TH ST
HATTIESBURG, MS 39402
Pathology (Anatomic Pathology & Clinical Pathology)
5052 W 4TH ST
HATTIESBURG, MS 39402

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 Karla Perrizo's NPI number?

The NPI number for Karla Perrizo is 1588840706. It was assigned to this individual provider in the NPPES registry on January 17, 2008.

Where is Karla Perrizo located?

Karla Perrizo practices at 5052 W 4th St, Hattiesburg, MS 39402. The listed phone number is (601) 261-2587.

What is Karla Perrizo's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Karla Perrizo enrolled in Medicare?

Yes. Karla Perrizo 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 Karla Perrizo accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of Tennessee and 7 other insurers list Karla Perrizo 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 Karla Perrizo affiliated with any hospitals?

According to CMS data, Karla Perrizo is affiliated with Merit Health River Region, Merit Health Natchez, Merit Health Wesley, Jps Health Network and De Tar Hospital Navarro.

When was this NPI record last updated?

The NPPES record for Karla Perrizo was last updated on February 19, 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.