Ava Williams, DNP, CRNP, FNP-BC
Family Nurse Practitioner · Columbia, MD
Ava Williams, DNP, CRNP, FNP-BC is a family nurse practitioner with a practice address in Columbia, Maryland, and NPI 1841693405, issued on Sep 26, 2014. Check the license (Maryland R205564, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ava Williams
- Credential
- DNP, CRNP, FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- R205564 MD
Self-reported in NPPES; status is on the state search - Practice location
- 5850 Waterloo RD Ste 140, Columbia, MD 21045
- Phone
- (443) 325-7282
- Enumerated
- Sep 26, 2014
- Record last updated
- Feb 24, 2026
- Medicare enrollment
- Enrolled (PECOS I20230419000198); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,124 in Maryland → Look up another NPI →
Also registered at 5850 Waterloo RD Ste 140
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Derek Walcker, PMHNPPsychiatric/Mental Health Nurse Practitioner1285286831
Verify Ava Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R205564Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
60% fewer Medicare Part D claims than the average family nurse practitioner in 2024
516 Medicare Part D claims for 91 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium30 claims
- Albuterol Sulfate Hfa22 claims
- Furosemide22 claims
- Amlodipine Besylate20 claims
- Levothyroxine Sodium20 claims
- Losartan Potassium18 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.
Bills Medicare through one group practice
- Minuteclinic LLCWoonsocket, RI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ava Williams among 4,124 family nurse practitioner records in Maryland
Ava Williams, DNP, CRNP, FNP-BC is one of 4,124 family nurse practitioner records with a practice address in Maryland. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 24% of them.
- NPI issued2014 · 24% of these records are older, 72% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2021 · median 2019 among the 2,370 with a school on file
- Record last updated2026 · 41% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
146 family nurse practitioner records list a practice address in Columbia
They are 146 of the 6,690 NPPES records with a practice address in Columbia, and 4,124 family nurse practitioner records in Maryland.
All 4,124 in Maryland → Every provider in Columbia → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
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- Simone Brady, CRNPColumbia, MD 210451144202383
- Bethany Fry, CRNPColumbia, MD 210451538430327
- Gladys HappiColumbia, MD 210451548598519
- Margaret Lowenstein, CRNPColumbia, MD 210451023382587
- Rachel Nelson, NURSE PRACTITIONERColumbia, MD 210451518163666
Common questions
What is Ava Williams, DNP, CRNP, FNP-BC's NPI number?
Ava Williams, DNP, CRNP, FNP-BC's National Provider Identifier (NPI) is 1841693405, issued on Sep 26, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Ava Williams, DNP, CRNP, FNP-BC located?
The NPPES record lists a practice address at 5850 Waterloo RD Ste 140, Columbia, MD, 21045. Phone: (443) 325-7282. Providers update this record themselves, so call before visiting.
How can I verify Ava Williams, DNP, CRNP, FNP-BC's license?
NPPES lists Maryland license number R205564, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Ava Williams, DNP, CRNP, FNP-BC prescribe under Medicare Part D?
In 2024, Ava Williams, DNP, CRNP, FNP-BC had 516 Medicare Part D claims for 91 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.