Thomas Mcbreen, M.D.
NPI 1275605578 · Family Medicine Physician · Ventura, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Mcbreen, M.D. is a Family Medicine Physician provider in Ventura, CA (NPI 1275605578).
Provider details
- NPI number
- 1275605578
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G42708 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,573 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 898 | $87 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 488 | $121 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 56 | $120 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 49 | $14 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 34 | $14 |
| Aspiration And/Or Injection of Fluid From Large Joint |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 107 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 331 | 72 |
| Atorvastatin Calcium | 254 | 57 |
| Levothyroxine Sodium | 251 | 65 |
| Atenolol | 182 | 45 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 174 | 35 |
| Rosuvastatin Calcium | 165 | 50 |
| Tamsulosin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-14
- Last updated
- 2011-04-07
Frequently asked questions
- What is Thomas Mcbreen's NPI number?
- Thomas Mcbreen's National Provider Identifier (NPI) is 1275605578, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Mcbreen's specialty?
- Thomas Mcbreen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Mcbreen located?
- Thomas Mcbreen's practice location on file with NPPES is 2929 Loma Vista Rd, Ventura, CA 93003-2900.
- What is Thomas Mcbreen's phone number?
- The practice phone number listed in the NPPES registry for Thomas Mcbreen is (805) 653-5741.
- Does Thomas Mcbreen accept Medicare?
- Thomas Mcbreen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Mcbreen's NPI active?
- Yes — Thomas Mcbreen's NPI (1275605578) is active in the NPPES registry as of the last update on 2011-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.