David Clair Marsh, CFNP
Nurse Practitioner · Maryville, TN
David Clair Marsh, CFNP is a nurse practitioner with a practice address in Maryville, Tennessee, and NPI 1588627822, issued on Apr 8, 2006. Check the license (Tennessee RN0000077905, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Clair Marsh
- Credential
- CFNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- RN0000077905 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1706 E Lamar Alexander Pkwy, Maryville, TN 37804
- Phone
- (865) 983-0073
- Enumerated
- Apr 8, 2006
- Record last updated
- Aug 4, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (865) 984-1731
- Medicaid ID
- 3342958 TN
- Medicare enrollment
- Enrolled (PECOS I20081121000712); accepts Medicare assignment
- Medical or professional school
- East Tennessee State University Quillen College Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 2,303 in Tennessee → Look up another NPI →
Also registered at 1706 E Lamar Alexander Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Edward Brown, MDGastroenterology Physician1851354195
- Isaac Cline, M.D.Gastroenterology Physician1245592823
- Richard Cline, MDGastroenterology Physician1942263280
- Michael Coffey, MDGastroenterology Physician1225091564
- Jenny SmithGastroenterology Physician1912115460
Verify David Clair Marsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
Search for license RN0000077905Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average nurse practitioner in 2024
994 Medicare Part D claims for 237 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Omeprazole136 claims
- Famotidine134 claims
- Pantoprazole Sodium115 claims
- Linzess47 claims
- Xifaxan39 claims
- Metoclopramide Hcl38 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.
Industry payments in 2024: $1,309.73
73 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Blount Gastroenterology Assoc PCMaryville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Clair Marsh among 2,303 nurse practitioner records in Tennessee
David Clair Marsh, CFNP is one of 2,303 nurse practitioner records with a practice address in Tennessee. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 79% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1988 · median 2017 among the 1,331 with a school on file
- Record last updated2011 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 nurse practitioner records list a practice address in Maryville
They are 18 of the 1,317 NPPES records with a practice address in Maryville, and 2,303 nurse practitioner records in Tennessee.
All 2,303 in Tennessee → Every provider in Maryville → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- David Biddle, NPMaryville, TN 378041023218211
- Andrea Breeding, NPMaryville, TN 378041134145121
- Cynthia Canfield, FNP-BCMaryville, TN 378041801967765
- Angela Chaffin, NPMaryville, TN 378041528585403
- Chasen Drawbaugh, APRNMaryville, TN 378041346013869
- Don Lewis, A.N.P.Maryville, TN 378041790719508
- Atlanta McCravey, FNP-BCMaryville, TN 378041538777081
- Jennifer Morton, F.N.P.Maryville, TN 378041407899446
Common questions
What is David Clair Marsh, CFNP's NPI number?
David Clair Marsh, CFNP's National Provider Identifier (NPI) is 1588627822, issued on Apr 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Clair Marsh, CFNP located?
The NPPES record lists a practice address at 1706 E Lamar Alexander Pkwy, Maryville, TN, 37804. Phone: (865) 983-0073. Providers update this record themselves, so call before visiting.
How can I verify David Clair Marsh, CFNP's license?
NPPES lists Tennessee license number RN0000077905, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
How much does David Clair Marsh, CFNP prescribe under Medicare Part D?
In 2024, David Clair Marsh, CFNP had 994 Medicare Part D claims for 237 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.