Michael Nathanson, MD, PHD
NPI 1003845090 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · San Jose, CA
Michael Nathanson, MD, PHD is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in San Jose, CA (NPI 1003845090).
Provider details
- NPI number
- 1003845090
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- A23550 (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 tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-02
- Last updated
- 2007-09-12
Frequently asked questions
- What is Michael Nathanson's NPI number?
- Michael Nathanson's National Provider Identifier (NPI) is 1003845090, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Nathanson's specialty?
- Michael Nathanson is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Nathanson located?
- Michael Nathanson's practice location on file with NPPES is 751 S Bascom Ave, San Jose, CA 95128-2604.
- What is Michael Nathanson's phone number?
- The practice phone number listed in the NPPES registry for Michael Nathanson is (408) 885-5000.
- Is Michael Nathanson's NPI active?
- Yes — Michael Nathanson's NPI (1003845090) is active in the NPPES registry as of the last update on 2007-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.