Melinda Williamson, FNP
NPI 1851815542 · Nurse Practitioner · Memphis, TN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melinda Williamson, FNP is a Nurse Practitioner provider in Memphis, TN (NPI 1851815542).
Provider details
- NPI number
- 1851815542
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 902171 (MS)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,563 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 1,353 | $61 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 153 | $88 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 57 | $135 |
Typical Medicare-allowed amounts for these services range $61–$135 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 75 | 72 |
| Pantoprazole Sodium | 66 | 64 |
| Amlodipine Besylate | 44 | 44 |
| Apixabanbrand: Eliquis | 29 | 26 |
| Gabapentin | 29 | 28 |
| Carvedilol | 23 | 23 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-08-03
- Last updated
- 2017-08-03
Frequently asked questions
- What is Melinda Williamson's NPI number?
- Melinda Williamson's National Provider Identifier (NPI) is 1851815542, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melinda Williamson's specialty?
- Melinda Williamson is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Melinda Williamson located?
- Melinda Williamson's practice location on file with NPPES is 1325 Eastmoreland Ave Ste 550, Memphis, TN 38104-7507.
- What is Melinda Williamson's phone number?
- The practice phone number listed in the NPPES registry for Melinda Williamson is (901) 726-0843.
- Does Melinda Williamson accept Medicare?
- Melinda Williamson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melinda Williamson's NPI active?
- Yes — Melinda Williamson's NPI (1851815542) is active in the NPPES registry as of the last update on 2017-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.