NPPES file of Aug 9, 2026

Bret Rice Haymore, MD

Allergy & Immunology Physician · Broken Arrow, OK

Bret Rice Haymore, MD is an allergy & immunology physician with a practice address in Broken Arrow, Oklahoma, and NPI 1376503102, issued on Mar 24, 2006. Check the license (Oklahoma 28286, as entered in NPPES) on the Oklahoma Board of Medical Licensure and Supervision; 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
1376503102
Name
Bret Rice Haymore
Credential
MD
Primary taxonomy
Allergy & Immunology Physician 207K00000X
License number
28286 OK
Self-reported in NPPES; status is on the state search
Practice location
4716 W Urbana St, Broken Arrow, OK 74012
Phone
(918) 994-5200
Enumerated
Mar 24, 2006
Record last updated
Sep 22, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(918) 994-5222
Medicaid ID
200424280A OK
Medicare enrollment
Enrolled (PECOS I20111116000408); accepts Medicare assignment
Medical or professional school
Pennsylvania State University College Of Medicine, 2002
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 4716 W Urbana St

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

  1. Cody Mumma, DDSOral and Maxillofacial Surgery (Dentist)1003313594
  2. Sherri Richardson, DNP, APRN-CNPFamily Nurse Practitioner1750530036

Verify Bret Rice Haymore in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOklahoma Board of Medical Licensure and Supervision
    Search for license 28286
    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 Oklahoma 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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82% more Medicare Part D claims than the average allergy & immunology physician in 2024

1,352 Medicare Part D claims for 341 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D.

  1. Bret Haymore1,352
  2. Specialty average741

Most prescribed

  1. Montelukast Sodium202 claims
  2. Fluticasone Propionate117 claims
  3. Arexvy93 claims
  4. Ipratropium Bromide91 claims
  5. Azelastine Hcl74 claims
  6. Epinephrine68 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): 64 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 score35.0
  2. Costout of 100 · 30%66.7
  3. Promoting interoperabilitynot scored (reweighted)
  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: $1,010.81

45 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Bret Haymore$1,010.81
  2. Specialty average$8,321.81

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. Oklahoma Allergy And Asthma ClinicOklahoma City, OK

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

Bret Rice Haymore among 19 allergy & immunology physician records in Oklahoma

Bret Rice Haymore, MD is one of 19 allergy & immunology physician records with a practice address in Oklahoma. 68% 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 42% of them.

  • NPI issued2006 · 42% of these records are older, 26% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2002 · median 1998 among the 12 with a school on file
  • Record last updated2016 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy & Immunology Physician providers in Oklahoma

There are 19 allergy & immunology physician records in Oklahoma.

The 8 allergy & immunology physician records with the nearest ZIP codes

  1. Mark Hamra, M.D.Broken Arrow, OK 740121164428215
  2. Terence Carey, M.D.Tulsa, OK 741361003998816
  3. Christopher Gifford, MDTulsa, OK 741361578562336
  4. Weyman LamTulsa, OK 741361225442130
  5. Michelle Montalbano, M.D.Tulsa, OK 741361437104544
  6. Lynn Wiens, MDTulsa, OK 741361861465916
  7. Timothy Trojan, MDEnid, OK 737031518125053
  8. Aisha Mohammed, MDLawton, OK 735051942721543

Common questions

What is Bret Rice Haymore, MD's NPI number?

Bret Rice Haymore, MD's National Provider Identifier (NPI) is 1376503102, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Bret Rice Haymore, MD located?

The NPPES record lists a practice address at 4716 W Urbana St, Broken Arrow, OK, 74012. Phone: (918) 994-5200. Providers update this record themselves, so call before visiting.

How can I verify Bret Rice Haymore, MD's license?

NPPES lists Oklahoma license number 28286, as entered by the provider. Search the Oklahoma Board of Medical Licensure and Supervision at https://www.okmedicalboard.org/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Bret Rice Haymore, MD prescribe under Medicare Part D?

In 2024, Bret Rice Haymore, MD had 1,352 Medicare Part D claims for 341 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.

What is Bret Rice Haymore, MD's MIPS final score?

The 2023 MIPS final score is 64 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.