Brigid Freyne, M.D.
NPI 1689640856 · Rheumatology Physician · Murrieta, CA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brigid Freyne, M.D. is a Rheumatology Physician provider in Murrieta, CA (NPI 1689640856).
Provider details
- NPI number
- 1689640856
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A64382 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
12,449 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 2,013 | $135 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 1,242 | $67 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 1,091 | $17 |
| Measurement of Antibody for Assessment of Autoimmune Disorder, Any Method86235 | 987 | $17 |
| Administration of Non-Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96401 | 871 | $79 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 117 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 482 | 131 |
| Hydroxychloroquine Sulfate | 463 | 118 |
| Alendronate Sodium | 390 | 134 |
| Prednisone | 373 | 89 |
| Levothyroxine Sodium | 368 | 108 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 360 | 49 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$8,980 across 278 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-27
- Last updated
- 2017-12-13
Frequently asked questions
- What is Brigid Freyne's NPI number?
- Brigid Freyne's National Provider Identifier (NPI) is 1689640856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brigid Freyne's specialty?
- Brigid Freyne is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Brigid Freyne located?
- Brigid Freyne's practice location on file with NPPES is 39755 Murrieta Hot Springs Rd, Murrieta, CA 92563-9101.
- What is Brigid Freyne's phone number?
- The practice phone number listed in the NPPES registry for Brigid Freyne is (951) 696-4600.
- Does Brigid Freyne accept Medicare?
- Brigid Freyne is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brigid Freyne's NPI active?
- Yes — Brigid Freyne's NPI (1689640856) is active in the NPPES registry as of the last update on 2017-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.