NPPES file of Aug 9, 2026

Phillip Edward Marshall, D.D.S.

Dentist · Kingsport, TN

Phillip Edward Marshall, D.D.S. is a dentist with a practice address in Kingsport, Tennessee, and NPI 1528354404, issued on Jun 20, 2011. Check the license (Tennessee 9314, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528354404
Name
Phillip Edward Marshall
Credential
D.D.S.
Primary taxonomy
Dentist 122300000X
License number
9314 TN
Self-reported in NPPES; status is on the state search
Practice location
1335 E Center St, Kingsport, TN 37664
Phone
(423) 247-5125
Enumerated
Jun 20, 2011
Record last updated
Jun 20, 2011 (not updated in 15 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1335 E Center St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Larry Gillenwater, DDSDentist1861417651
  2. Cynthia Pulitzer, D.D.S.Orthodontics and Dentofacial Orthopedics Dentistry1093987760
  3. Samuel Pulitzer, D.D.S.Orthodontics and Dentofacial Orthopedics Dentistry1629248950
  4. Charles Ross, D.O.Family Medicine Physician1306005137

Verify Phillip Edward Marshall in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
    Search for license 9314
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Tennessee license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.0 times the Medicare Part D claims of the average dentist in 2024

176 Medicare Part D claims for 114 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. Phillip Marshall176
  2. Specialty average86

Most prescribed

  1. Amoxicillin122 claims
  2. Cephalexin20 claims
  3. Clindamycin Hcl11 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: $89.59

3 payments; by number, the most common kind was food and beverage; the largest payer was Zimvie Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Phillip Marshall$89.59
  2. Specialty average$540.36

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Phillip Edward Marshall among 1,525 dentist records in Tennessee

Phillip Edward Marshall, D.D.S. is one of 1,525 dentist records with a practice address in Tennessee. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 49% of them.

  • NPI issued2011 · 49% of these records are older, 48% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2011 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

26 dentist records list a practice address in Kingsport

They are 26 of the 1,986 NPPES records with a practice address in Kingsport, and 1,525 dentist records in Tennessee.

The 8 dentist records with the nearest ZIP codes

  1. Kathryn Allen, D.D.S.Kingsport, TN 376641740537943
  2. Jacob Bateman, D.D.S.Kingsport, TN 376641841604055
  3. Courtney Blankenship, DMDKingsport, TN 376641033723499
  4. Larry Gillenwater, DDSKingsport, TN 376641861417651
  5. Charles Guest, DDSKingsport, TN 376641871629303
  6. Cheston Guest, DMDKingsport, TN 376641780710210
  7. Meaghan Guest Wolfe, DMDKingsport, TN 376641801923974
  8. John Machen, DDSKingsport, TN 376641467672451

Common questions

What is Phillip Edward Marshall, D.D.S.'s NPI number?

Phillip Edward Marshall, D.D.S.'s National Provider Identifier (NPI) is 1528354404, issued on Jun 20, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Phillip Edward Marshall, D.D.S. located?

The NPPES record lists a practice address at 1335 E Center St, Kingsport, TN, 37664. Phone: (423) 247-5125. Providers update this record themselves, so call before visiting.

How can I verify Phillip Edward Marshall, D.D.S.'s license?

NPPES lists Tennessee license number 9314, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.

How much does Phillip Edward Marshall, D.D.S. prescribe under Medicare Part D?

In 2024, Phillip Edward Marshall, D.D.S. had 176 Medicare Part D claims for 114 beneficiaries; the average among dentist prescribers was 86. 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.