John Dein, M.D.
NPI 1124087838 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Sacramento, CA
John Dein, M.D. is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Sacramento, CA (NPI 1124087838).
Provider details
- NPI number
- 1124087838
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G-52082 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-03-21
- Last updated
- 2012-09-18
Frequently asked questions
- What is John Dein's NPI number?
- John Dein's National Provider Identifier (NPI) is 1124087838, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Dein's specialty?
- John Dein is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is John Dein located?
- John Dein's practice location on file with NPPES is 3941 J St, Sacramento, CA 95819-3628.
- What is John Dein's phone number?
- The practice phone number listed in the NPPES registry for John Dein is (916) 733-6850.
- Is John Dein's NPI active?
- Yes — John Dein's NPI (1124087838) is active in the NPPES registry as of the last update on 2012-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.