Karla Perrizo, MD in Hattiesburg, MS

Karla Perrizo, MD is a medicare enrolled "Pathology - Anatomic Pathology & Clinical Pathology" physician in Hattiesburg, Mississippi. She went to University Of Texas Medical Branch At Galveston and graduated in 2005 and has 21 years of diverse experience with area of expertise as Pathology. She is a member of the group practice Usa Pathology Pllc, Austin Pathology Associates, Hub Care Pathology, P.a. and her current practice location is 5052 W 4th St, Hattiesburg, Mississippi. You can reach out to her office (for appointments etc.) via phone at (601) 261-2587.

Karla Perrizo is licensed to practice in Mississippi (license number 21832) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1588840706.

Contact Information

	Karla Perrizo, MD
	5052 W 4th St, Hattiesburg, MS 39402-1069
	(601) 261-2587
	(601) 264-7426

Map and Direction

Physician's Profile

Full Name	Karla Perrizo
Gender	Female
Speciality	Pathology
Experience	21 Years
Location	5052 W 4th St, Hattiesburg, Mississippi
Accepts Medicare Assignments	Yes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Karla Perrizo attended and graduated from University Of Texas Medical Branch At Galveston in 2005

NPI Data:

NPI Number: 1588840706
Provider Enumeration Date: 01/17/2008
Last Update Date: 10/24/2025

Medicare PECOS Information:

PECOS PAC ID: 7618026923
Enrollment ID: I20180806000385

Medical Identifiers

Medical identifiers for Karla Perrizo such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1588840706	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207ZP0102X	Pathology - Anatomic Pathology & Clinical Pathology	N1415 (Texas)	Secondary
207ZP0102X	Pathology - Anatomic Pathology & Clinical Pathology	21832 (Mississippi)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Merit Health Wesley	Hattiesburg, MS	Hospital
Merit Health Natchez	Natchez, MS	Hospital
Magee General Hospital	Magee, MS	Hospital
St Joseph Regional Health Center	Bryan, TX	Hospital
Merit Health River Region	Vicksburg, MS	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Usa Pathology Pllc	4183873003	5
Austin Pathology Associates	7012902539	45
Hub Care Pathology, P.a.	3173616240	9

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Karla Perrizo allows following entities to bill medicare on her behalf.

Entity Name	Austin Pathology Associates
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1538172028 PECOS PAC ID: 7012902539 Enrollment ID: O20070207000471

Entity Name	Usa Pathology Pllc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1609121557 PECOS PAC ID: 4183873003 Enrollment ID: O20121009000202

Entity Name	Pathology Institute Pllc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1154922235 PECOS PAC ID: 9234587338 Enrollment ID: O20231130000742

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Karla Perrizo is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
Karla Perrizo, MD 5052 W 4th St, Hattiesburg, MS 39402-1069 Ph: (601) 261-2587	Karla Perrizo, MD 5052 W 4th St, Hattiesburg, MS 39402-1069 Ph: (601) 261-2587

Reviews and Comments

Pathology Doctors in Hattiesburg, MS

Gary Wayne Benson, MD Pathology Medicare: Not Enrolled in Medicare Practice Location: 5052 W 4th St, Hattiesburg, MS 39402 Phone: 601-268-5995 Fax: 601-264-7426
Kurt Gregory Kratz, M.D. Pathology Medicare: Accepting Medicare Assignments Practice Location: 5052 W 4th St, Hattiesburg, MS 39402 Phone: 601-261-2587 Fax: 601-261-3201
Leigh Anne Strong, MD Pathology Medicare: Accepting Medicare Assignments Practice Location: 421 S 28th Ave, Hattiesburg, MS 39401 Phone: 601-579-5261 Fax: 601-579-5257
Pearl Gizelle Myers, M.D. Pathology Medicare: Not Enrolled in Medicare Practice Location: 155 Cross Creek Pkwy, Apt 315, Hattiesburg, MS 39402 Phone: 601-520-4268
Dr. Frederick E Nora, MD Pathology Medicare: Accepting Medicare Assignments Practice Location: 5052 W 4th St, Hattiesburg, MS 39402 Phone: 601-268-5995 Fax: 601-261-3201
Lynda Gentchev, MD Pathology Medicare: Accepting Medicare Assignments Practice Location: 5052 W 4th St, Hattiesburg, MS 39402 Phone: 601-261-2587

Karla Perrizo, MD - Medicare Pathology in Hattiesburg, MS