Dr. Brigid Maura Freyne, MD

  • Murrieta, CA
  • Rheumatologist
NPI1689640856PAC ID0648247882
Medicare services, 2024
97,321
Medicare patients, 2024
694
Part D claims, 2024
8,386
Publications
1
Clinical trials
3
Practice address
39755 Murrieta Hot Springs Rd, Murrieta, CA 92563-9101
Practice phone
Call (951) 696-4600
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Brigid Freyne MD

Physician office · Murrieta, California

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Dr. Brigid Maura Freyne is a rheumatologist in Murrieta, California

Dr. Freyne practices at Brigid Freyne MD in Murrieta, California.

Dr. Freyne's NPI, 1689640856, was assigned on February 27, 2006. Dr. Freyne graduated from Saint Louis University School Of Medicine in 1996. Dr. Freyne's California license number on file is A64382.

NPI and contact details
Medicare PAC ID
0648247882
NPI enumeration date
February 27, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(951) 696-4600
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
56
Medical school graduation
1996

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Brigid Maura Freyne practices at Brigid Freyne MD in Murrieta, California

Dr. Freyne's primary practice is Brigid Freyne MD, at 39755 Murrieta Hot Springs Rd, Murrieta, CA 92563-9101. The practice phone is (951) 696-4600.

  • Brigid Freyne MD
    39755 Murrieta Hot Springs Rd, Murrieta, CA 92563-9101Phone(951) 696-4600

Source: Dmand AI Affiliation Data

Dr. Brigid Maura Freyne is affiliated with 2 sites of care

Dr. Freyne's primary practice is Brigid Freyne MD in Murrieta, California. Dr. Freyne is also affiliated with Loma Linda University Medical Center - Murrieta.

Brigid Freyne MDPhysician office · Murrieta, CaliforniaPrimary
Loma Linda University Medical Center - MurrietaAcute care hospital, Murrieta, CA

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Brigid Maura Freyne's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Freyne practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Brigid Freyne MDAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Brigid Maura Freyne is one of 821 rheumatologists in California

Rheumatology is Dr. Freyne's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Freyne is board certified in certified principal investigator by the Academy of Clinical Research Professionals. Dmand AI has Dr. Freyne's licenses on file in 2 states: California and Nevada.

Specialties and state licenses

  • Rheumatology, CaliforniaPrimaryLicense A64382 · 1998 to 2025 · taxonomy 207RR0500X
  • Nevada license2005 to 2009

Clinical focus

Dmand AI lists arteritis, arthritis, gout, joint pain, lupus, muscle pain, fibromyalgia, and limb pain, osteoporosis and rheumatoid arthritis among the conditions Dr. Freyne treats.

Rheumatologists near Dr. Freyne

Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Brigid Maura Freyne billed Medicare for 97,321 services in 2024

CMS data shows 97,321 Medicare services from Dr. Freyne across 45 procedure codes in 2024, for 694 Medicare patients. Medicare paid $1,692,783 for them. Every service was in an office.

Medicare services, 202497,321
Medicare patients694
Paid by Medicare$1.7M
Procedure codes45

Dr. Freyne's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 85,4362024: 84,8541%
Office and hospital visits
2023: 3,9082024: 4,82223%
Lab and pathology
2023: 2,8562024: 2,41016%
Tests and treatments
2023: 1,9882024: 1,8338%
Other services
2023: 5832024: 1,280120%
Imaging
2023: 1,2562024: 1,10612%
Surgery
2023: 1,1182024: 1,0169%

Dr. Freyne compared with the California median for rheumatologists, 2024

  • Dr. Freyne
  • California median
Medicare services
97,321vs 900108.1 times
Medicare patients
694vs 2163.2 times
Part D claims
7,766vs 9628.1 times

Medians across 773 rheumatologists in California with Dmand AI profiles that report each measure.

Dr. Freyne's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Freyne

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Brigid Maura Freyne treated 694 Medicare patients in 2024, average age 74

CMS counts 694 Medicare patients who saw Dr. Freyne in 2024. The largest group is 65 to 74, with 312 patients. 75% of them have arthritis, and 75% have high blood pressure. 16% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Freyne's median patient age at 68, with 77% women.

Medicare patients, 2024694
Average age74
Average risk score1.25
Also on Medicaid16%

Dr. Freyne's Medicare patients by age, 2024

Dr. Freyne's Medicare patients by sex, 2024

  • Women53677%
  • Men15823%

Chronic conditions among Dr. Freyne's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Osteoporosis72%
  5. Diabetes28%
  6. Ischemic heart disease27%
  7. Chronic kidney disease26%
  8. Anxiety24%

Share of Medicare patients with each condition. A patient can have several.

Dr. Freyne's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women77%
  • Men21%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Brigid Maura Freyne wrote 8,386 Medicare Part D claims in 2024

In 2024, Dr. Freyne wrote 8,386 Medicare Part D claims for 770 patients. 86% of them were for generic drugs. CMS names the drug for 7,766 of them, across 117 drugs with 11 or more claims each, at $3,318,356 in total drug cost. In 2023, CMS named 7,621 claims across 119 drugs.

Part D claims, 20248,386
Drugs named by CMS117
Total drug cost$3.3M
Part D patients770

Dr. Freyne's Part D claims by kind of drug, 2024

  • Generic7,236 claims86%
  • Brand-name1,133 claims14%
  • Other17 claims0%

Dr. Freyne's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Freyne's Part D claims, 2024

  • Opioids12%973 of 8,386 claims
  • Antibiotics1%75 of 8,386 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 7,6212024: 7,7662%

Drugs named by CMS: 117 in 2024, 119 in 2023.

See all prescribing by Dr. Freyne

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Brigid Maura Freyne scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Freyne for performance year 2024, reported individually. Dr. Freyne accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Freyne's MIPS scores, performance year 2024

  • 100of 100Final score
  • 100of 100Quality
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Brigid Maura Freyne has 1 publication on record

Dmand AI links 1 paper to Dr. Freyne in 2022. Dr. Freyne's most frequent co-authors are Abdul Ali Abdellatif, MD, John A. Albert, MD and Herbert Stuart Block Baraf, MD.

Papers1

Dr. Freyne's most frequent co-authors

Recent publications by Dr. Freyne

See all 1 publications and co-authors

See who Dr. Freyne researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Freyne works with, so you can find a warm path to the right rheumatologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Brigid Maura Freyne has worked on 3 clinical trials

Dmand AI links Dr. Freyne to 3 clinical trials. Conditions studied include Arthritis, Rheumatoid, Bursitis and Dupuytren Contracture. Endo Pharmaceuticals sponsors the most, 2.

Clinical trials with Dr. Freyne by phase

  1. NonePhase 1: no trials
  2. 1Phase 2: 1 trial
  3. NonePhase 3: no trials
  4. 1Phase 4: 1 trial

Conditions in Dr. Freyne's trials

  • Arthritis, Rheumatoid
  • Bursitis
  • Dupuytren Contracture
  • Contracture
  • Rheumatic Diseases

Investigators on the most trials with Dr. Freyne

Recent clinical trials with Dr. Freyne

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Brigid Maura Freyne received $282,975 in industry payments from 2016 to 2025

CMS Open Payments shows 2,946 general payments to Dr. Freyne from 94 drug and device companies from 2016 to 2025. Honoraria make up the largest share, 41% of the total. Horizon Pharma plc paid the most, $127,410. It also lists 19 research payments totaling $422,081 from 2016 to 2018.

General payments to Dr. Freyne by program year, 2016 to 2025

General payments to Dr. Freyne by kind, 2016 to 2025

$283Kin total
  • Honoraria$116,55741%
  • Speaker and faculty fees$67,10024%
  • Food and beverage$56,76020%
  • Travel and lodging$19,5037%
  • Other$22,1948%

Companies that paid Dr. Freyne the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Freyne

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Brigid Maura Freyne has 1 award and honors on record

Dmand AI lists 1 award for Dr. Freyne.

Awards and honors for Dr. Freyne

  1. Undated
    • ACR Fellow

Source: Dmand AI Professional Profile Data

Dr. Brigid Maura Freyne graduated from Saint Louis University School Of Medicine

Dr. Freyne graduated from Saint Louis University School Of Medicine in 1996. Dr. Freyne is a member of ACR.

  1. Medical schoolSaint Louis University School Of Medicine
  2. Board certified in certified principal investigatorAcademy of Clinical Research Professionals
  3. Board certified in internal medicineAmerican Board of Internal Medicine
  4. Board certified in rheumatologyAmerican Board of Internal Medicine
  5. Board certified in certified clinical densitometristInternational Society of Clinical Densitometrists

Source: Dmand AI Professional Profile Data

Dr. Brigid Maura Freyne accepts plans from 15 insurance carriers

Dr. Freyne is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Humana
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • +7 more carriersWith a free account

Plan types Dr. Freyne accepts, by number of carriers

  1. PPO10
  2. Medicare9
  3. HMO7
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Brigid Maura Freyne's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Brigid Maura Freyne

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Brigid Maura Freyne's NPI number?

Dr. Brigid Maura Freyne's NPI number is 1689640856. It was assigned on February 27, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Brigid Maura Freyne?

Dr. Brigid Maura Freyne is a rheumatologist in Murrieta, California. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).

Where does Dr. Brigid Maura Freyne practice?

Dr. Freyne practices at 39755 Murrieta Hot Springs Rd, Murrieta, CA 92563-9101. Dr. Freyne's primary practice is Brigid Freyne MD in Murrieta, California.

What is Dr. Brigid Maura Freyne's office phone number?

The practice phone on file for Dr. Freyne is (951) 696-4600.

What is Dr. Brigid Maura Freyne's medical license number?

Dr. Freyne's California license number on file is A64382, one of the licenses on file in 2 states.

Which states has Dr. Brigid Maura Freyne been licensed in?

Dmand AI has state licenses on file for Dr. Freyne in California (1998 to 2025) and Nevada (2005 to 2009).

Which hospitals is Dr. Brigid Maura Freyne affiliated with?

Dr. Freyne is affiliated with Loma Linda University Medical Center - Murrieta.

Does Dr. Brigid Maura Freyne accept Medicare?

Yes. CMS data shows Dr. Freyne billed Medicare for 97,321 services in 2024, and Dr. Freyne accepts Medicare assignment.

What is Dr. Brigid Maura Freyne's MIPS score?

Dr. Freyne's MIPS final score for performance year 2024 is 100 out of 100, reported individually.

How many Medicare patients does Dr. Brigid Maura Freyne see?

CMS counts 694 Medicare patients who saw Dr. Freyne in 2024, with an average age of 74.

Show 9 more questionsShow fewer questions

Is Dr. Brigid Maura Freyne board certified?

Yes. Dr. Freyne is board certified in certified principal investigator by the Academy of Clinical Research Professionals.

What services does Dr. Brigid Maura Freyne bill to Medicare?

In 2024, Dr. Freyne's most billed Medicare services were injected or infused drug (J3111), injected or infused drug (J0897) and injected or infused drug (J1602).

Where did Dr. Brigid Maura Freyne go to medical school?

Dr. Freyne graduated from Saint Louis University School Of Medicine in 1996.

What drugs does Dr. Brigid Maura Freyne prescribe most?

In 2024 Medicare Part D data, Dr. Freyne's most prescribed drugs by claims were Methotrexate, Hydroxychloroquine Sulfate and Alendronate Sodium.

Has Dr. Brigid Maura Freyne received payments from drug or device companies?

CMS Open Payments shows $282,975 in general payments to Dr. Freyne from 94 companies from 2016 to 2025. The largest total came from Horizon Pharma plc.

How long has Dr. Brigid Maura Freyne been practicing?

Dr. Freyne graduated from medical school in 1996, 30 years ago.

Does Dr. Brigid Maura Freyne do research?

Dmand AI links 1 publication to Dr. Freyne. Dr. Freyne has worked on 3 clinical trials.

Who does Dr. Brigid Maura Freyne publish with?

Dr. Freyne's most frequent co-authors are Abdul Ali Abdellatif, MD (1 shared paper), John A. Albert, MD (1 shared paper) and Herbert Stuart Block Baraf, MD (1 shared paper).

What insurance does Dr. Brigid Maura Freyne accept?

Dr. Freyne is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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