Mary Ellen Walden, FNP
Family Nurse Practitioner · Nashville, TN
Mary Ellen Walden, FNP is a family nurse practitioner with a practice address in Nashville, Tennessee, and NPI 1144750530, issued on Jun 18, 2017. Check the license (Tennessee APN22710, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Ellen Walden
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- APN22710 TN
Self-reported in NPPES; status is on the state search - Practice location
- 3601 The Vanderbilt Clinic, Nashville, TN 37232
- Phone
- (615) 936-2000
- Enumerated
- Jun 18, 2017
- Record last updated
- Jul 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20180817003254); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 9,060 in Tennessee → Look up another NPI →
Also registered at 3601 The Vanderbilt Clinic
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mary Ellen Walden in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
Search for license APN22710Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average family nurse practitioner in 2024
151 Medicare Part D claims for 112 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone27 claims
- Amoxicillin-Clavulanate Potass17 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): 75.1 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).
2 hospitals and group practices
- Vanderbilt University Medical CenterNashville, TN · Acute Care Hospitals5 of 5 stars
- Vanderbilt Health And Williamson Medical Center Clinics And Services,Franklin, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Mary Ellen Walden among 9,060 family nurse practitioner records in Tennessee
Mary Ellen Walden, 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 2017, is newer than 50% of them.
- NPI issued2017 · 50% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2016 · median 2017 among the 5,523 with a school on file
- Record last updated2022 · 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).
1,518 family nurse practitioner records list a practice address in Nashville
They are 1,518 of the 24,357 NPPES records with a practice address in Nashville, and 9,060 family nurse practitioner records in Tennessee.
All 9,060 in Tennessee → Every provider in Nashville → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Margaret Anderson, FNPNashville, TN 372321679561054
- John Baltz, FNPNashville, TN 372321013911635
- Shannon Brooks, NURSE PRACTITIONERNashville, TN 372321649254145
- Beverly Byram, APN, FNPNashville, TN 372321306828942
- Jill Cash, APNNashville, TN 372321538155858
- Dorothy Crowder, FNPNashville, TN 372321396749750
- Velinda Deforge, NPNashville, TN 372321346247541
- Sarah Greene, APRN, BC, FNPNashville, TN 372321659375509
Common questions
What is Mary Ellen Walden, FNP's NPI number?
Mary Ellen Walden, FNP's National Provider Identifier (NPI) is 1144750530, issued on Jun 18, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ellen Walden, FNP located?
The NPPES record lists a practice address at 3601 The Vanderbilt Clinic, Nashville, TN, 37232. Phone: (615) 936-2000. Providers update this record themselves, so call before visiting.
How can I verify Mary Ellen Walden, FNP's license?
NPPES lists Tennessee license number APN22710, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Ellen Walden, FNP prescribe under Medicare Part D?
In 2024, Mary Ellen Walden, FNP had 151 Medicare Part D claims for 112 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Mary Ellen Walden, FNP's MIPS final score?
The 2023 MIPS final score is 75.1 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.