Mary A. Williams, DNP, FNP-BC, PMHNP-C
Family Nurse Practitioner · Clarksdale, MS
Mary A. Williams, DNP, FNP-BC, PMHNP-C is a family nurse practitioner with a practice address in Clarksdale, Mississippi, and NPI 1184806150, issued on Dec 3, 2007. Check the license (Mississippi R854909, as entered in NPPES) with the Mississippi board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary A. Williams
- Credential
- DNP, FNP-BC, PMHNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- R854909 MS
854909 MS
Self-reported in NPPES; status is on the state search - Practice location
- 125 Highway 322, Clarksdale, MS 38614
- Phone
- (662) 351-1970
- Enumerated
- Dec 3, 2007
- Record last updated
- Apr 22, 2026
- Medicaid ID
- 08038821 MS
- Medicare enrollment
- Enrolled (PECOS I20100226000232); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 3,798 in Mississippi → Look up another NPI →
Also registered at 125 Highway 322
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristalin Presley, FNPFamily Nurse Practitioner1841817707
- Marian Smith, FNPNurse Practitioner1215426036
Verify Mary A. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Mississippi board licenses this profession
Search for license R854909Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average family nurse practitioner in 2024
3,876 Medicare Part D claims for 254 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 11 claims were for opioids.
Most prescribed
- Amlodipine Besylate287 claims
- Gabapentin175 claims
- Atorvastatin Calcium156 claims
- Losartan Potassium150 claims
- Metformin Hcl116 claims
- Montelukast Sodium109 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.
Mary A. Williams among 3,798 family nurse practitioner records in Mississippi
Mary A. Williams, DNP, FNP-BC, PMHNP-C is one of 3,798 family nurse practitioner records with a practice address in Mississippi. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 13% of them.
- NPI issued2007 · 13% of these records are older, 83% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2011 · median 2017 among the 2,576 with a school on file
- Record last updated2026 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 family nurse practitioner records list a practice address in Clarksdale
They are 25 of the 304 NPPES records with a practice address in Clarksdale, and 3,798 family nurse practitioner records in Mississippi.
All 3,798 in Mississippi → Every provider in Clarksdale → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Lashonda Bradley, FNP-CClarksdale, MS 386141124515663
- Gwenevere Chew, CFNPClarksdale, MS 386141104093723
- Tara Davis, F.N.P.Clarksdale, MS 386141801381579
- Dallas Earnest, FNPClarksdale, MS 386141376752832
- Christopher Ferracci, FNPClarksdale, MS 386141760929939
- Cody Gullick, FNP-CClarksdale, MS 386141205319530
- Erma Hawkins, NURSE PRACTITIONERClarksdale, MS 386141831610914
- Carrie MeltonClarksdale, MS 386141487884938
Common questions
What is Mary A. Williams, DNP, FNP-BC, PMHNP-C's NPI number?
Mary A. Williams, DNP, FNP-BC, PMHNP-C's National Provider Identifier (NPI) is 1184806150, issued on Dec 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary A. Williams, DNP, FNP-BC, PMHNP-C located?
The NPPES record lists a practice address at 125 Highway 322, Clarksdale, MS, 38614. Phone: (662) 351-1970. Providers update this record themselves, so call before visiting.
How can I verify Mary A. Williams, DNP, FNP-BC, PMHNP-C's license?
NPPES lists Mississippi license number R854909, as entered by the provider. Search the Mississippi board that licenses this profession; the NPPES record confirms identity only.
How much does Mary A. Williams, DNP, FNP-BC, PMHNP-C prescribe under Medicare Part D?
In 2024, Mary A. Williams, DNP, FNP-BC, PMHNP-C had 3,876 Medicare Part D claims for 254 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.