NPPES file of Aug 9, 2026

Chad J. Diamond, DO

Family Medicine Physician · Hattiesburg, MS

Chad J. Diamond, DO is a family medicine physician with a practice address in Hattiesburg, Mississippi, and NPI 1124023098, issued on Jun 16, 2005. Check the license (Mississippi 16945, as entered in NPPES) on the Mississippi State Board of Medical Licensure; 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
1124023098
Name
Chad J. Diamond
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
16945 MS
Self-reported in NPPES; status is on the state search
Practice location
110 Millsaps Dr, Hattiesburg, MS 39402
Phone
(601) 261-5710
Enumerated
Jun 16, 2005
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(601) 268-5058
Medicaid ID
00125973 MS
Medicare enrollment
Enrolled (PECOS I20101025000031); accepts Medicare assignment
Medical or professional school
Kansas City University Of Med & Biosciences, College Of Osteo Med, 1999
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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Also registered at 110 Millsaps Dr

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

  1. Kevin Clearman, CNFPFamily Nurse Practitioner1477557098
  2. Deborah Copeland, M.D.Family Medicine Physician1316058787
  3. Wayne Hughes, MDFamily Medicine Physician1093719601
  4. Stephen Lambert, MDFamily Medicine Physician1851395479
  5. Jason Lindsey, DOFamily Medicine Physician1295708295
  6. Melanie Lindsey, MDFamily Medicine Physician1598736605

Verify Chad J. Diamond in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
    Search for license 16945
    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 Mississippi 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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2.3 times the Medicare Part D claims of the average family medicine physician in 2024

8,326 Medicare Part D claims for 500 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 51 claims were for opioids.

  1. Chad Diamond8,326
  2. Specialty average3,544

Most prescribed

  1. Amlodipine Besylate500 claims
  2. Levothyroxine Sodium497 claims
  3. Atorvastatin Calcium420 claims
  4. Rosuvastatin Calcium237 claims
  5. Gabapentin206 claims
  6. Carvedilol201 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): 84.6 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 score89.8
  2. Costout of 100 · 30%58.9
  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).

Industry payments in 2024: $730.40

35 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Chad Diamond$730.40
  2. Specialty average$902.55

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

Bills Medicare through one group practice

  1. The Family Practice/after Hours Clinic, PLLCHattiesburg, MS

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Chad J. Diamond among 1,165 family medicine physician records in Mississippi

Chad J. Diamond, DO is one of 1,165 family medicine physician records with a practice address in Mississippi. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 91% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1999 · median 2003 among the 748 with a school on file
  • Record last updated2007 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

63 family medicine physician records list a practice address in Hattiesburg

They are 63 of the 2,569 NPPES records with a practice address in Hattiesburg, and 1,165 family medicine physician records in Mississippi.

The 8 family medicine physician records with the nearest ZIP codes

  1. Katherine Alexis, MDHattiesburg, MS 394021861416042
  2. Lisa Bushardt, MDHattiesburg, MS 394021669488979
  3. Glenn Campbell, MDHattiesburg, MS 394021063429470
  4. Charles Fillingane, DOHattiesburg, MS 394021346261195
  5. Joshua Hand, M.D.Hattiesburg, MS 394021689664039
  6. Wayne Hughes, MDHattiesburg, MS 394021093719601
  7. Stephen Lambert, MDHattiesburg, MS 394021851395479
  8. Melanie Lindsey, MDHattiesburg, MS 394021598736605

Common questions

What is Chad J. Diamond, DO's NPI number?

Chad J. Diamond, DO's National Provider Identifier (NPI) is 1124023098, issued on Jun 16, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Chad J. Diamond, DO located?

The NPPES record lists a practice address at 110 Millsaps Dr, Hattiesburg, MS, 39402. Phone: (601) 261-5710. Providers update this record themselves, so call before visiting.

How can I verify Chad J. Diamond, DO's license?

NPPES lists Mississippi license number 16945, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Chad J. Diamond, DO prescribe under Medicare Part D?

In 2024, Chad J. Diamond, DO had 8,326 Medicare Part D claims for 500 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Chad J. Diamond, DO's MIPS final score?

The 2023 MIPS final score is 84.6 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.