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KARISSA LEIGH HERNANDEZ PA-C
NPI 1255001236
Physician Assistant in Erie, PA

Active since September 20, 2021PECOS Enrolled

NPPES record last updated: November 7, 2025. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Nov 7, 2025, Sep 20, 2021 (2 updates tracked since 2021).

About Karissa Leigh Hernandez Pa-c NPPES

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

KARISSA LEIGH HERNANDEZ PA-C (NPI 1255001236) is an individual physician assistant in Erie, Pennsylvania and active in the NPI registry since September 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1255001236
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameKARISSA LEIGH HERNANDEZCredential: PA-C
Location Address232 W 25TH STErie, PA 16544-0002
Mailing Address4535 Dressler Rd NwCanton, OH 44718-2545
Phone(814) 452-5000
Sole ProprietorNo
Enumeration DateSeptember 20, 2021
Last NPPES UpdateNovember 7, 20252 updates tracked since enumeration
NPPES CertifiedNovember 7, 2025
✔ NPI 1255001236 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
232 W 25TH ST, Erie, PA 16544
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Karissa Leigh Hernandez Pa-c is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 2

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
28 services27 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
27 services27 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 16544 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
$84.88 typical visit price
range $54.64 – $166.87
Typical copayment $21.22 (range $13.66 – $41.71)
Most-billed visit code 99203
Established Patient
$68.36 typical visit price
range $17.33 – $135.84
Typical copayment $17.09 (range $4.33 – $33.96)
Most-billed visit code 99213
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.

ANESTHESIA CONSULTANTS OF ERIE, INC.
Anesthesiology
232 W 25TH ST
ERIE, PA 16544
Erie County (814) 452-5000
PENN NORTH CENTERS FOR ADVANCED WOUND CARE PC
Surgery
232 W 25TH ST
ERIE, PA 16544
Erie County (814) 452-7878
SAINT VINCENT MEDICAL EDUCATION AND RESEARCH INSTITUTE
Obstetrics & Gynecology
232 W 25TH ST
ERIE, PA 16544
Erie County (814) 452-5000
MS. TERI L. PROPST CRNA
Nurse Anesthetist, Certified Registered
232 W 25TH ST
ERIE, PA 16544
Erie County (814) 452-5000
PATHOLOGY ASSOCIATES OF ERIE INC
Pathology (Clinical Pathology/Laboratory Medicine)
232 W 25TH ST
ERIE, PA 16544
Erie County (814) 288-8325
MARY MCLAUGHLIN
Nurse Anesthetist, Certified Registered
232 W 25TH ST, 7TH FLOOR
ERIE, PA 16544
Erie County (814) 452-5000
DR. TIMOTHY CHESLOCK DO
Emergency Medicine
232 W 25TH ST
ERIE, PA 16544
Erie County (814) 734-1618
MS. TANYA M GORE PHARMD
Pharmacist
232 W 25TH ST
ERIE, PA 16544
Erie County (814) 452-5439

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 Karissa Hernandez's NPI number?

The NPI number for Karissa Hernandez is 1255001236. It was assigned to this individual provider in the NPPES registry on September 20, 2021.

Where is Karissa Hernandez located?

Karissa Hernandez practices at 232 W 25th St, Erie, PA 16544. The listed phone number is (814) 452-5000.

What is Karissa Hernandez's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Karissa Hernandez enrolled in Medicare?

Yes. Karissa Hernandez is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Karissa Hernandez was last updated on November 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.