William S. Wallace, FNP
Family Nurse Practitioner · Memphis, TN
William S. Wallace, FNP is a family nurse practitioner with a practice address in Memphis, Tennessee, and NPI 1457334633, issued on Nov 22, 2005. Check the license (Tennessee RN108204, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William S. Wallace
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- RN108204 TN
108204 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1200 Peabody Ave, Memphis, TN 38104
- Phone
- (901) 272-0003
- Enumerated
- Nov 22, 2005
- Record last updated
- Mar 5, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (901) 272-7179
- Medicaid ID
- 3388963 TN
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 9,060 in Tennessee → Look up another NPI →
Also registered at 1200 Peabody Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Eucharia Duru, MSWSocial Worker1528713823
Verify William S. Wallace in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
Search for license RN108204Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% more Medicare Part D claims than the average family nurse practitioner in 2024
1,977 Medicare Part D claims for 151 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 22 claims were for opioids.
Most prescribed
- Atorvastatin Calcium138 claims
- Amlodipine Besylate112 claims
- Pantoprazole Sodium67 claims
- Losartan Potassium64 claims
- Ozempic60 claims
- Levothyroxine Sodium50 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 90.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
William S. Wallace among 9,060 family nurse practitioner records in Tennessee
William S. Wallace, FNP is one of 9,060 family nurse practitioner records with a practice address in Tennessee. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 61% of these records are
- Record last updated2010 · 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 363LF0000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
722 family nurse practitioner records list a practice address in Memphis
They are 722 of the 12,794 NPPES records with a practice address in Memphis, and 9,060 family nurse practitioner records in Tennessee.
All 9,060 in Tennessee → Every provider in Memphis → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Daphne Beech, FNPMemphis, TN 381041013079490
- Carol CollinsMemphis, TN 381041629018775
- Toni Fleming, FNPMemphis, TN 381041366542755
- Donna Freeman, FNP-BCMemphis, TN 381041376538561
- Martha Garner, MSN, FNPMemphis, TN 381041952312803
- Evelyn Jones-Talley, FNPMemphis, TN 381041063512754
- Lisa Mahoney, APRN-BCMemphis, TN 381041134211196
- Pamelia McKinney, MSN APRN BCMemphis, TN 381041639180052
Common questions
What is William S. Wallace, FNP's NPI number?
William S. Wallace, FNP's National Provider Identifier (NPI) is 1457334633, issued on Nov 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William S. Wallace, FNP located?
The NPPES record lists a practice address at 1200 Peabody Ave, Memphis, TN, 38104. Phone: (901) 272-0003. Providers update this record themselves, so call before visiting.
How can I verify William S. Wallace, FNP's license?
NPPES lists Tennessee license number RN108204, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
How much does William S. Wallace, FNP prescribe under Medicare Part D?
In 2024, William S. Wallace, FNP had 1,977 Medicare Part D claims for 151 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is William S. Wallace, FNP's MIPS final score?
The 2023 MIPS final score is 90.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.