Dr. Nelson Alphonso, MD

  • San Francisco, CA
  • General surgeon
NPI1992759187
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
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Personal email
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Mobile number
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Social profiles

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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 and contact details
NPI enumeration date
May 20, 2006
NPI status
Active
Practice phone
(415) 353-2813
Professional email
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Personal email
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Mobile number
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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 address
    400 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.

EHR by site
SiteEHR vendor and product
Dr. Alphonso's practiceAvailable 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, CaliforniaPrimaryLicense A90383 · 2005 to 2026 · taxonomy 208600000X

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.

Papers47
Years published2004 to 2025

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

Recent publications by Dr. Alphonso

See all 47 publications and co-authors

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.

How network discovery works

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.

  1. Medical schoolTopiwala National Medical College

Source: Dmand AI Professional Profile Data

Sources for Dr. Nelson Alphonso's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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