MARY KATHERINE WILLIAMS PA-C
NPI 1588959407
Physician Assistant in Raleigh, NC

Active since June 20, 2011PECOS EnrolledAccepts Medicare Assignment
8020 CREEDMOOR RD, RALEIGH, NC 27613(919) 322-2844(919) 322-2898 Get Directions Write a Review

NPPES record last updated: September 19, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 19, 2024, Feb 24, 2016 (2 updates tracked since 2016).

About Mary Katherine Williams Pa-c NPPES

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

MARY KATHERINE WILLIAMS PA-C (NPI 1588959407) is an individual physician assistant in Raleigh, North Carolina, licensed in North Carolina (0010-02907) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS, is affiliated with Rex Hospital, and maintains a secondary practice location in Raleigh.

NPPES Registry Identity

NPI1588959407
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMARY KATHERINE WILLIAMSCredential: PA-C
Location Address8020 CREEDMOOR RDRaleigh, NC 27613-4363
Mailing Address8020 Creedmoor RdRaleigh, NC 27613-4363 · (919) 322-2844 · Fax (919) 322-2898
Fax(919) 322-2898
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateJune 20, 2011
Last NPPES UpdateSeptember 19, 20242 updates tracked since enumeration
NPPES CertifiedSeptember 19, 2024
NPI 1588959407 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License Licensed in NC · 0010-02907
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.
8020 CREEDMOOR RD, Raleigh, NC 27613

Secondary Practice Location 1

Location 111200 Governor Manly Way Ste 114Raleigh, NC 27614-7360 · Phone (919) 570-7660

Other Identifiers 2

Medicaid1588959407NC
Other1759NNC · Bcbs

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

Mary Katherine Williams Pa-c 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 ID2567616618
PECOS Enrollment IDI20130125000402
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 5

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
31 services31 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
18 services18 patients
Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 87635
This is a lab test that detects the presence of COVID-19 in your body. It uses a technique to amplify the virus's genetic material, either DNA or RNA, making it easier to identify. A positive result indicates an active infection.
13 services13 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
12 services12 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Rex Hospital

Acute Care Hospitals · Raleigh, NC
5/5 CMS rating
OwnershipGovernment - State
CMS Certification Number340114
Location4420 Lake Boone TrailRaleigh, NC 27607 · Wake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27613 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
$83.90 typical visit price
range $54.12 – $165.09
Typical copayment $20.97 (range $13.53 – $41.27)
Most-billed visit code 99203
Established Patient
$67.72 typical visit price
range $17.21 – $134.61
Typical copayment $16.93 (range $4.30 – $33.65)
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 7

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

Clinic/Center (Primary Care)
8020 CREEDMOOR RD
RALEIGH, NC 27613
Physician Assistant
8020 CREEDMOOR RD
RALEIGH, NC 27613
Chiropractor
8020 CREEDMOOR RD
RALEIGH, NC 27613
Non-Pharmacy Dispensing Site
8020 CREEDMOOR RD
RALEIGH, NC 27613
Chiropractor
8020 CREEDMOOR RD
RALEIGH, NC 27613
Chiropractor
8020 CREEDMOOR RD
RALEIGH, NC 27613
Nurse Practitioner (Family)
8020 CREEDMOOR RD
RALEIGH, NC 27613

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 Mary Williams's NPI number?

The NPI number for Mary Williams is 1588959407. It was assigned to this individual provider in the NPPES registry on June 20, 2011.

Where is Mary Williams located?

Mary Williams practices at 8020 Creedmoor Rd, Raleigh, NC 27613. The listed phone number is (919) 322-2844.

What is Mary Williams's specialty?

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

Is Mary Williams enrolled in Medicare?

Yes. Mary Williams 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 Mary Williams accept?

Health plans from Blue Cross and Blue Shield of NC list Mary Williams 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 Mary Williams affiliated with any hospitals?

According to CMS data, Mary Williams is affiliated with Rex Hospital.

When was this NPI record last updated?

The NPPES record for Mary Williams was last updated on September 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.