NPPES file of Aug 9, 2026

Kenneth L. Diamond, MD

Gastroenterology Physician · Yuma, AZ

Kenneth L. Diamond, MD is a gastroenterology physician with a practice address in Yuma, Arizona, and NPI 1164465688, issued on Jun 13, 2006. Check the license (Arizona 70105, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164465688
Name
Kenneth L. Diamond
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
70105 AZ
35.144478 OH
ME47970 FL
036-067677 IL
Self-reported in NPPES; status is on the state search
Practice location
2400 S Avenue A, Yuma, AZ 85364
Phone
(928) 336-2000
Enumerated
Jun 13, 2006
Record last updated
Nov 19, 2025
Medicaid ID
048885200 FL
Medicare enrollment
Enrolled (PECOS I20240206003651); accepts Medicare assignment
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.
Download card Updates feed

Also registered at 2400 S Avenue A

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

  1. Muhammad Aamer, M.D.Family Medicine Physician1437574720
  2. Rafi Aboona, MDInternal Medicine Physician1780315374
  3. Asmerom Adhanom, D.O.Anesthesiology Physician1720440779
  4. Sara Ahmed, MDInternal Medicine Physician1144524828
  5. Ayoola Ajayi, MBBSAnesthesiology Physician1851821482
  6. Deanna AlcalaInpatient Obstetric Registered Nurse1942164934

Verify Kenneth L. Diamond in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 70105
    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 Arizona 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

75% fewer Medicare Part D claims than the average gastroenterology physician in 2024

205 Medicare Part D claims for 110 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Kenneth Diamond205
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium42 claims
  2. Omeprazole33 claims
  3. Gavilyte-G31 claims
  4. Peg-3350 And Electrolytes19 claims
  5. Metoclopramide 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.

The MIPS final score for 2023 (Medicare payment program): 90.4 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

2 hospitals and group practices

  1. Yuma Regional Medical CenterYuma, AZ · Acute Care Hospitals2 of 5 stars
  2. Arizona Gastrointestinal Associates PLCScottsdale, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Kenneth L. Diamond among 403 gastroenterology physician records in Arizona

Kenneth L. Diamond, MD is one of 403 gastroenterology physician records with a practice address in Arizona. 84% 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 17% of them.

  • NPI issued2006 · 17% of these records are older, 41% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated1982 · median 2001 among the 295 with a school on file
  • Record last updated2025 · 47% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Arizona

There are 403 gastroenterology physician records in Arizona.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Divesh Anireddy, MDYuma, AZ 853641427094770
  2. Harsh DuphareYuma, AZ 853641598775611
  3. Alec Esker, MDYuma, AZ 853641245276591
  4. Jonathan Lin, M.D.Yuma, AZ 853641578668927
  5. Seth Miller, M.D.Yuma, AZ 853641891991717
  6. Julian Nicholas, M.D.Yuma, AZ 853641033211685
  7. Ashesh Sanghvi, MDYuma, AZ 853641336185685
  8. Omar Sharif, M.D.Yuma, AZ 853641821208935

Common questions

What is Kenneth L. Diamond, MD's NPI number?

Kenneth L. Diamond, MD's National Provider Identifier (NPI) is 1164465688, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Kenneth L. Diamond, MD located?

The NPPES record lists a practice address at 2400 S Avenue A, Yuma, AZ, 85364. Phone: (928) 336-2000. Providers update this record themselves, so call before visiting.

How can I verify Kenneth L. Diamond, MD's license?

NPPES lists Arizona license number 70105, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Kenneth L. Diamond, MD prescribe under Medicare Part D?

In 2024, Kenneth L. Diamond, MD had 205 Medicare Part D claims for 110 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Kenneth L. Diamond, MD's MIPS final score?

The 2023 MIPS final score is 90.4 of 100. 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.