James O'Dorisio, M.D.
NPI 1598820219 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Cardiac Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James O'Dorisio, M.D. is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Santa Rosa, CA (NPI 1598820219).
Provider details
- NPI number
- 1598820219
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A44147 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
4,161 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 798 | $142 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 590 | $184 |
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 | 535 | $54 |
| Removal of Muscle And/Or Tissue, 20.0 Sq Cm Or Less11043 | 490 | $149 |
| Removal of Skin and Tissue, Each Additional 20.0 Sq Cm Or Less11045 | 443 | $24 |
| Removal of Muscle And/Or Tissue, Each Additional 20.0 Sq Cm Or Less11046 | 363 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 53 | 33 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 39 | 13 |
| Diazepam | 32 | 23 |
| Collagenase Clostridium Hist.brand: Santyl | 14 | — |
| Furosemide | 14 | — |
| Methylprednisolone | 11 | — |
| Prednisone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$487 across 12 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
- 2006-12-22
- Last updated
- 2015-08-11
Frequently asked questions
- What is James O'Dorisio's NPI number?
- James O'Dorisio's National Provider Identifier (NPI) is 1598820219, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James O'Dorisio's specialty?
- James O'Dorisio is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is James O'Dorisio located?
- James O'Dorisio's practice location on file with NPPES is 76 Brookwood Ave, Santa Rosa, CA 95404-4312.
- What is James O'Dorisio's phone number?
- The practice phone number listed in the NPPES registry for James O'Dorisio is (707) 578-3000.
- Does James O'Dorisio accept Medicare?
- James O'Dorisio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James O'Dorisio's NPI active?
- Yes — James O'Dorisio's NPI (1598820219) is active in the NPPES registry as of the last update on 2015-08-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.