Kenneth I. Fields, MD
Gastroenterology Physician · Memphis, TN
Kenneth I. Fields, MD is a gastroenterology physician with a practice address in Memphis, Tennessee, and NPI 1285659383, issued on Jul 12, 2006. Check the license (Tennessee 31333, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Kenneth I. Fields
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 31333 TN
Self-reported in NPPES; status is on the state search - Practice location
- 80 Humphreys Center, Memphis, TN 38120
- Phone
- (901) 578-2538
- Enumerated
- Jul 12, 2006
- Record last updated
- Aug 27, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (901) 578-2572
- Medicaid IDs
- 3839852 TN
05453599 MS
148888001 AR - Medicare enrollment
- Enrolled (PECOS I20110511000418); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 1991
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 384 in Tennessee → Look up another NPI →
Also registered at 80 Humphreys Center
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paul Brezina, M.D.Reproductive Endocrinology Physician1710186473
- Joseph Feltman, CRNACertified Registered Nurse Anesthetist1558528174
- Edward Friedman, MDGastroenterology Physician1659558260
- Paul Koltnow, PAMedical Physician Assistant1619054442
- Gerald Lieberman, MDGastroenterology Physician1871518985
- James Stamps, M.D.Pediatric Cardiology Physician1679560288
Verify Kenneth I. Fields in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 31333Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average gastroenterology physician in 2024
2,184 Medicare Part D claims for 502 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims. 13 claims were for opioids.
Most prescribed
- Pantoprazole Sodium440 claims
- Linzess230 claims
- Dicyclomine Hcl147 claims
- Omeprazole125 claims
- Colestipol Hcl110 claims
- Metoclopramide Hcl78 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): 91.9 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).
Industry payments in 2024: $2,685.29
126 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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 2 group practices
- Baptist Memorial Medical Group, Inc.Germantown, TN
- Gastrointestinal Specialists Foundation, Inc.Collierville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kenneth I. Fields among 384 gastroenterology physician records in Tennessee
Kenneth I. Fields, MD is one of 384 gastroenterology physician 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 2006, is newer than 26% of them.
- NPI issued2006 · 26% of these records are older, 37% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1991 · median 2001 among the 255 with a school on file
- Record last updated2019 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Tennessee
There are 384 gastroenterology physician records in Tennessee.
All 384 in Tennessee → Every provider in Memphis → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Abdullah Al-Rashdan, M.D.Memphis, TN 381201588831721
- Edward Friedman, MDMemphis, TN 381201659558260
- Gaurav Kistangari, M.DMemphis, TN 381201538334800
- Gerald Lieberman, MDMemphis, TN 381201871518985
- Randelon Smith, MDMemphis, TN 381201790999753
- Lakshmi Dasaree, MDMemphis, TN 381191225089477
- Robert Kerlan, M.D.Memphis, TN 381191881697696
- Mary Portis, M.D.Memphis, TN 381191265415822
Common questions
What is Kenneth I. Fields, MD's NPI number?
Kenneth I. Fields, MD's National Provider Identifier (NPI) is 1285659383, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kenneth I. Fields, MD located?
The NPPES record lists a practice address at 80 Humphreys Center, Memphis, TN, 38120. Phone: (901) 578-2538. Providers update this record themselves, so call before visiting.
How can I verify Kenneth I. Fields, MD's license?
NPPES lists Tennessee license number 31333, 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.
How much does Kenneth I. Fields, MD prescribe under Medicare Part D?
In 2024, Kenneth I. Fields, MD had 2,184 Medicare Part D claims for 502 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Kenneth I. Fields, MD's MIPS final score?
The 2023 MIPS final score is 91.9 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.