Dr. Nelson Alphonso, MD
- Publications
- 47
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 400 Parnassus Ave, San Francisco, CA 94143-2202
- Practice phone
- Call (415) 353-2813
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Alphonso's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Nelson Alphonso is a general surgeon in San Francisco, California
Dr. Alphonso practices in San Francisco, California.
Dr. Alphonso's NPI, 1992759187, was assigned on May 20, 2006. Dr. Alphonso graduated from Topiwala National Medical College in 1991. Dr. Alphonso holds California license A90383.
- NPI
- 1992759187NPI Registry (opens in a new tab)
- NPI enumeration date
- May 20, 2006
- NPI status
- Active
- Practice phone
- (415) 353-2813
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Nelson Alphonso's practice address is in San Francisco, California
Dr. Alphonso's practice address in the NPI Registry is 400 Parnassus Ave, San Francisco, CA 94143-2202. The practice phone is (415) 353-2813.
- NPI Registry address400 Parnassus Ave, San Francisco, CA 94143-2202Phone(415) 353-2813
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Nelson Alphonso's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Alphonso practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Alphonso's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nelson Alphonso is one of 2,926 general surgeons in California
Surgery is Dr. Alphonso's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Alphonso is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
General surgeons near Dr. Alphonso
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Nelson Alphonso has 47 publications on record
Dmand AI links 47 papers to Dr. Alphonso, published from 2004 to 2025. 2019 was the busiest year, with 5. The most frequent topics are Heart Defects, Congenital, Cardiac Surgical Procedures and Postoperative Complications. Dr. Alphonso has published most often in Eur J Cardiothorac Surg. Dr. Alphonso's most frequent co-authors are Tom R. Karl, MD, Petros Vassilios Anagnostopoulos, MD and Anthony Azakie, MD.
Dr. Alphonso's papers by year, 2010 to 2025
Topics Dr. Alphonso writes about most
- Heart Defects, Congenital
- Cardiac Surgical Procedures
- Postoperative Complications
- Fontan Procedure
- Australia
- Reoperation
- New Zealand
- Cardiopulmonary Bypass
Dr. Alphonso's most frequent co-authors
- Tom R. Karl, MD4 shared papers
- Petros Vassilios Anagnostopoulos, MD2 shared papers
- Anthony Azakie, MD2 shared papers
Recent publications by Dr. Alphonso
J Thorac Cardiovasc Surg
See who Dr. Alphonso researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Alphonso works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nelson Alphonso graduated from Topiwala National Medical College
Dr. Alphonso graduated from Topiwala National Medical College in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Nelson Alphonso's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Nelson Alphonso
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Nelson Alphonso's NPI number?
Dr. Nelson Alphonso's NPI number is 1992759187. It was assigned on May 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Nelson Alphonso?
Dr. Nelson Alphonso is a general surgeon in San Francisco, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Nelson Alphonso practice?
Dr. Alphonso practices at 400 Parnassus Ave, San Francisco, CA 94143-2202.
What is Dr. Nelson Alphonso's office phone number?
The practice phone on file for Dr. Alphonso is (415) 353-2813.
What is Dr. Nelson Alphonso's medical license number?
Dr. Alphonso holds California license A90383.
Where did Dr. Nelson Alphonso go to medical school?
Dr. Alphonso graduated from Topiwala National Medical College in 1991.
How long has Dr. Nelson Alphonso been practicing?
Dr. Alphonso graduated from medical school in 1991, 35 years ago.
Does Dr. Nelson Alphonso do research?
Dmand AI links 47 publications to Dr. Alphonso, published from 2004 to 2025.
Who does Dr. Nelson Alphonso publish with?
Dr. Alphonso's most frequent co-authors are Tom R. Karl, MD (4 shared papers), Petros Vassilios Anagnostopoulos, MD (2 shared papers) and Anthony Azakie, MD (2 shared papers).
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