Mary Alison Williams, PA-C
Physician Assistant · Atlanta, GA
Mary Alison Williams, PA-C is a physician assistant with a practice address in Atlanta, Georgia, and NPI 1235308446, issued on Feb 22, 2008. Check the license (Georgia 004443, as entered in NPPES) with the Georgia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Alison Williams
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 004443 GA
Self-reported in NPPES; status is on the state search - Practice location
- 755 Mount Vernon Hwy, Atlanta, GA 30328
- Phone
- (404) 256-5611
- Enumerated
- Feb 22, 2008
- Record last updated
- Feb 22, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (404) 256-9404
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,662 in Georgia → Look up another NPI →
Also registered at 755 Mount Vernon Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Alison Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Georgia board licenses this profession
Search for license 004443Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average physician assistant in 2024
145 Medicare Part D claims for 61 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Triamcinolone Acetonide25 claims
- Ketoconazole22 claims
- Hydrocortisone15 claims
- Clobetasol Propionate13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $268.83
7 payments; by number, the most common kind was food and beverage; the largest payer was Arcutis Biotherapeutics, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mary Alison Williams among 4,662 physician assistant records in Georgia
Mary Alison Williams, PA-C is one of 4,662 physician assistant records with a practice address in Georgia. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 21% of them.
- NPI issued2008 · 21% of these records are older, 76% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2008 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,186 physician assistant records list a practice address in Atlanta
They are 1,186 of the 31,476 NPPES records with a practice address in Atlanta, and 4,662 physician assistant records in Georgia.
All 4,662 in Georgia → Every provider in Atlanta → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Haidy Brooks, PA-CAtlanta, GA 303281588755482
- Katherine Brown, PA-CAtlanta, GA 303281427202068
- Elaine Coleman, PA CAtlanta, GA 303281639394216
- Carter Cooper, PA-CAtlanta, GA 303281598863532
- Jana Emmett, PA-CAtlanta, GA 303281871764050
- Mary Guthrie, PA-CAtlanta, GA 303281356630115
- Andrea Ledbetter, PA-CAtlanta, GA 303281912264029
- Laura Lemay, PA-CAtlanta, GA 303281528219284
Common questions
What is Mary Alison Williams, PA-C's NPI number?
Mary Alison Williams, PA-C's National Provider Identifier (NPI) is 1235308446, issued on Feb 22, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mary Alison Williams, PA-C located?
The NPPES record lists a practice address at 755 Mount Vernon Hwy, Atlanta, GA, 30328. Phone: (404) 256-5611. Providers update this record themselves, so call before visiting.
How can I verify Mary Alison Williams, PA-C's license?
NPPES lists Georgia license number 004443, as entered by the provider. Search the Georgia board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Alison Williams, PA-C prescribe under Medicare Part D?
In 2024, Mary Alison Williams, PA-C had 145 Medicare Part D claims for 61 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.