Ava Williams, DNP, CRNP, FNP-BC
NPI 1841693405 · Family Nurse Practitioner · Columbia, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ava Williams, DNP, CRNP, FNP-BC is a Family Nurse Practitioner provider in Columbia, MD (NPI 1841693405).
Provider details
- NPI number
- 1841693405
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP, CRNP, FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- R205564 (MD)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
146 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 53 | $79 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 38 | $113 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 24 | $48 |
| Administration of Influenza Virus VaccineG0008 | 17 | $34 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 14 | $115 |
Typical Medicare-allowed amounts for these services range $34–$115 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 30 | 24 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 22 | — |
| Furosemide | 22 | — |
| Amlodipine Besylate | 20 | 16 |
| Levothyroxine Sodium | 20 | 15 |
| Losartan Potassium | 18 | — |
| Metoprolol Succinate |
Practice location
Mailing address
Additional practice locations (1)
- 799 Rockville PikeRockville, MD 20852-1136Phone: (301) 340-2683
Registry dates
- Enumerated
- 2014-09-26
- Last updated
- 2026-02-24
- Certified
- 2026-02-24
Frequently asked questions
- What is Ava Williams's NPI number?
- Ava Williams's National Provider Identifier (NPI) is 1841693405, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ava Williams's specialty?
- Ava Williams is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ava Williams located?
- Ava Williams's practice location on file with NPPES is 5850 Waterloo Rd Ste 140, Columbia, MD 21045-1944.
- What is Ava Williams's phone number?
- The practice phone number listed in the NPPES registry for Ava Williams is (443) 325-7282.
- Does Ava Williams accept Medicare?
- Ava Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ava Williams's NPI active?
- Yes — Ava Williams's NPI (1841693405) is active in the NPPES registry as of the last update on 2026-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.