NPPES file of Aug 9, 2026

Robert Nelson Marshall, MD

Pediatric Endocrinology Physician · Chattanooga, TN

Robert Nelson Marshall, MD is a pediatric endocrinology physician with a practice address in Chattanooga, Tennessee, and NPI 1891728754, issued on Jul 7, 2006. Check the license (Tennessee 20989, as entered in NPPES) on the Tennessee Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1891728754
Name
Robert Nelson Marshall
Credential
MD
Primary taxonomy
Pediatric Endocrinology Physician 2080P0205X
License number
20989 TN
Self-reported in NPPES; status is on the state search
Practice location
910 Blackford St, Chattanooga, TN 37403
Phone
(423) 778-5445
Enumerated
Jul 7, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(423) 778-3157
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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8 nearest pediatric endocrinology physician records → All 51 in Tennessee → Look up another NPI →

Also registered at 910 Blackford St

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

  1. Merritt Adams, M.DPediatric Orthopaedic Surgery Physician1760703490
  2. Tracy Anderson, NPNurse Practitioner1538190913
  3. Alicia Andrews, D.O.Pediatric Gastroenterology Physician1225295215
  4. Sumeet Arora, M.D.Student in an Organized Health Care Education/Training Program1881924025
  5. Allyson AverettPediatric Nurse Practitioner1023943024
  6. William BakerStudent in an Organized Health Care Education/Training Program1508701756

Verify Robert Nelson Marshall in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 20989    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
Open 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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Robert Nelson Marshall among 51 pediatric endocrinology physician records in Tennessee

Robert Nelson Marshall, MD is one of 51 pediatric endocrinology physician records with a practice address in Tennessee. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 63% newer
  • In a Medicare fileNo · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 37% of these records are
  • Record last updated2007 · 31% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0205X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Endocrinology Physician providers in Tennessee

There are 51 pediatric endocrinology physician records in Tennessee. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 51 in Tennessee → Every provider in Chattanooga → Pediatric Endocrinology Physician nationwide →

The 8 pediatric endocrinology physician records with the nearest ZIP codes

  1. Alexandra Martin, MDChattanooga, TN 374031730340787
  2. Rita Shridharani, MDChattanooga, TN 374031740448067
  3. Kristie AamodtNashville, TN 372321780115931
  4. Sara Bartz, MDNashville, TN 372321952600215
  5. Cassandra Brady, M.D.Nashville, TN 372321427291038
  6. Andrew Bremer, M.D., PHDNashville, TN 372321285830810
  7. Jeremy Brown, M.D.Nashville, TN 372321932631132
  8. Patricia Chu, MDNashville, TN 372321881048601

Common questions

What is Robert Nelson Marshall, MD's NPI number?

Robert Nelson Marshall, MD's National Provider Identifier (NPI) is 1891728754, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Nelson Marshall, MD located?

The NPPES record lists a practice address at 910 Blackford St, Chattanooga, TN, 37403. Phone: (423) 778-5445. Providers update this record themselves, so call before visiting.

How can I verify Robert Nelson Marshall, MD's license?

NPPES lists Tennessee license number 20989, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.