NPPES file of Aug 9, 2026

Frederick A. Fiedler, M.D.

Internal Medicine Physician · Memphis, TN

Frederick A. Fiedler, M.D. is an internal medicine physician with a practice address in Memphis, Tennessee, and NPI 1598733545, issued on Mar 8, 2006. Check the license (Tennessee MD16945, 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
1598733545
Name
Frederick A. Fiedler
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD16945 TN
Self-reported in NPPES; status is on the state search
Practice location
6263 Poplar Ave, Memphis, TN 38119
Phone
(901) 761-6157
Enumerated
Mar 8, 2006
Record last updated
Jul 13, 2026
Medicaid ID
3845207 TN
Medicare enrollment
Enrolled (PECOS I20040804001886); accepts Medicare assignment
Medical or professional school
University Of Tennessee, Hsc, College Of Medicine, 1985
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest internal medicine physician records → All 2,596 in Tennessee → Look up another NPI →

Also registered at 6263 Poplar Ave

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

  1. Mohammad Abutineh, M.D.Geriatric Medicine (Internal Medicine) Physician1043262538
  2. Titilola Akhigbe, M.DRheumatology Physician1437350816
  3. Lisa Barzel, LCSWClinical Social Worker1558435842
  4. Charissa Camp, PH.D., ABPPPsychologist1215940515
  5. Charles Carter, M.D.Internal Medicine Physician1558362707
  6. Saima Cheema, MD, MPHInternal Medicine Physician1487918363

Verify Frederick A. Fiedler 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 MD16945    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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Frederick A. Fiedler among 2,596 internal medicine physician records in Tennessee

Frederick A. Fiedler, M.D. is one of 2,596 internal medicine physician records with a practice address in Tennessee. 80% 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 15% of them.

  • NPI issued2006 · 15% of these records are older, 46% newer
  • In a Medicare fileNo · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1985 · median 2003 among the 1,705 with a school on file
  • Record last updated2026 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

325 internal medicine physician records list a practice address in Memphis

They are 325 of the 12,794 NPPES records with a practice address in Memphis, and 2,596 internal medicine physician records in Tennessee. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,596 in Tennessee → Every provider in Memphis → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Eric Blakney, MDMemphis, TN 381191912909508
  2. Charles Carter, M.D.Memphis, TN 381191558362707
  3. Charlotte Deflumere, M.D.Memphis, TN 381191457354599
  4. Nasir Haque, MDMemphis, TN 381191346225620
  5. Douglas Karmel, M.D.Memphis, TN 381191619970407
  6. Paul Katz, MDMemphis, TN 381191497753131
  7. Taslim Khattak, M.D.Memphis, TN 381191679540298
  8. Diane Lum, M.D.Memphis, TN 381191821077975

Common questions

What is Frederick A. Fiedler, M.D.'s NPI number?

Frederick A. Fiedler, M.D.'s National Provider Identifier (NPI) is 1598733545, issued on Mar 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Frederick A. Fiedler, M.D. located?

The NPPES record lists a practice address at 6263 Poplar Ave, Memphis, TN, 38119. Phone: (901) 761-6157. Providers update this record themselves, so call before visiting.

How can I verify Frederick A. Fiedler, M.D.'s license?

NPPES lists Tennessee license number MD16945, 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.