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MARY ALISON WILLIAMS PA-C
NPI 1235308446
Physician Assistant in Atlanta, GA

Active since February 22, 2008PECOS Enrolled
755 MOUNT VERNON HWY, SUITE 110, ATLANTA, GA 30328(404) 256-5611(404) 256-9404 Get Directions Write a Review

NPPES record last updated: February 22, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mary Alison Williams Pa-c NPPES

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

MARY ALISON WILLIAMS PA-C (NPI 1235308446) is an individual physician assistant in Atlanta, Georgia, licensed in Georgia (004443) and active in the NPI registry since February 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235308446
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMARY ALISON WILLIAMSCredential: PA-C
Location Address755 MOUNT VERNON HWY, SUITE 110Atlanta, GA 30328-4274
Mailing Address755 Mount Vernon Hwy, Suite 110Atlanta, GA 30328-4274 · (404) 256-5611 · Fax (404) 256-9404
Phone(404) 256-5611
Fax(404) 256-9404
Sole ProprietorYes
Enumeration DateFebruary 22, 2008
✔ NPI 1235308446 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 GA · 004443
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.
755 MOUNT VERNON HWY, Atlanta, GA 30328
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Other Identifiers 2

Medicare PIN97WCGDPGA
Medicare UPINQ31753GA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Alison Williams 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 8

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.
161 services125 patients
Destruction of precancer skin growth, 2-14 growths 17003
This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.
111 services26 patients
Biopsy of related skin growth, first growth 11102
A biopsy of a skin growth involves taking a small sample of the growth to examine it under a microscope. This helps determine if the growth is harmful. The procedure is typically quick, with minimal discomfort. It's a crucial step in ensuring your skin's health.
86 services75 patients
Destruction of precancer skin growth, 1 growth 17000
"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.
60 services52 patients
Destruction of skin growth, 1-14 growths 17110
"Destruction of skin growth" refers to a procedure where 1-14 abnormal skin growths are removed. This is done using methods such as freezing, burning, or laser therapy. It helps prevent the growth from causing discomfort or turning into a more serious condition.
42 services38 patients
Biopsy of related skin growth, each additional growth 11103
A biopsy of related skin growth is a procedure where a small piece of skin growth is removed for testing. If additional growths are identified, they may also be biopsied. This helps in diagnosing skin conditions and planning appropriate treatment.
20 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30328 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
$88.06 typical visit price
range $56.84 – $172.43
Typical copayment $22.01 (range $14.21 – $43.10)
Most-billed visit code 99203
Established Patient
$70.85 typical visit price
range $18.22 – $140.40
Typical copayment $17.71 (range $4.55 – $35.10)
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.

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.

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
100%108 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 17

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

WILLIAM J. GOWER III M.D.
Internal Medicine
755 MOUNT VERNON HWY, SUITE 500
ATLANTA, GA 30328
Fulton County (678) 222-3145
SOUTHSIDE MASTER LLC
Pharmacy (Community/Retail Pharmacy)
755 MOUNT VERNON HWY, SUITE 450
ATLANTA, GA 30328
Fulton County (470) 377-4054
DR. ASSIA A. STEPANIAN M.D.
Obstetrics & Gynecology (Gynecology)
755 MOUNT VERNON HWY, SUITE 240
ATLANTA, GA 30328
Fulton County (404) 549-3224
DR. LAURA BEATY MD
Family Medicine
755 MOUNT VERNON HWY, SUITE 120
ATLANTA, GA 30328
Fulton County (404) 851-0029
DR. CHRISTOPHER DAVID SARZEN MD
Internal Medicine (Gastroenterology)
755 MOUNT VERNON HWY, STE 230
ATLANTA, GA 30328
Fulton County (404) 303-0003
DR. JOSEPH S WILSON JR. MD
Internal Medicine (Cardiovascular Disease)
755 MOUNT VERNON HWY, 530
ATLANTA, GA 30328
Fulton County (404) 252-7970
DR. HAROLD JOSEPH LEFKOFF M.D.
Otolaryngology
755 MOUNT VERNON HWY, SUITE 520
ATLANTA, GA 30328
Fulton County (404) 705-8080
ZALE HARLAN SMILACK DDS
Dentist (Oral and Maxillofacial Surgery)
755 MOUNT VERNON HWY, SUITE 430
ATLANTA, GA 30328
Fulton County (404) 843-8797

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 1235308446. It was assigned to this individual provider in the NPPES registry on February 22, 2008.

Where is Mary Williams located?

Mary Williams practices at 755 Mount Vernon Hwy Suite 110, Atlanta, GA 30328. The listed phone number is (404) 256-5611.

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 enrollment system.

When was this NPI record last updated?

The NPPES record for Mary Williams was last updated on February 22, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.