Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1992759187 Individual Practitioner Male Practitioner

Dr. Nelson Alphonso , MD

Surgery • San Francisco, CA

Professional Overview & Biography Verified Profile Summary

Dr. Nelson Alphonso, MD is a registered healthcare professional specializing in Surgery in San Francisco, CA. Practice services are available at 400 PARNASSUS AVE under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

400 Parnassus Ave

San Francisco, CA 941432202

Telephone 4153532813
Fax 4154769678
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in San Francisco, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 23.6 Yrs
State Avg: 27.4 Yrs
Regional Practice Density
207 Specialists

Practicing in San Francisco, CA (3346 Statewide)

Telehealth Adoption Rate
19.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CA A90383

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
00A903830 (CA)

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

16 Associated Practitioners
Dr. Yvonne Wu , MD

Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology

NPI 1003848581

Doctor of Medicine (M.D.)

NPI 1023128592

Doctor of Medicine (M.D.)

Carmen Tse , RD

Dietitian, Registered - Nutrition, Pediatric

NPI 1134773989

Registered Dietitian

NPI 1245272368

Doctor of Medicine (M.D.)

Julie Bushnell , PNP

Registered Nurse - Critical Care Medicine

NPI 1255534681

Pediatric Nurse Practitioner

Mary Lesh , MS

Nurse Practitioner - Pediatrics

NPI 1417983834

Master of Science

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active July 23, 2008

NPI status registered as active in NPPES database

📍
Updated Practice Location July 23, 2008

Registered at 400 PARNASSUS AVE, SAN FRANCISCO, CA 941432202 (Tel: 4153532813)

📍
Updated Business Mailing Address July 23, 2008

Registered at 1635 DIVISADERO STREET, SUITE 625, BOX 1821, SAN FRANCISCO, CA 941430001

👤
Provider Name / Credentials Updated July 23, 2008

Recorded as NELSON ALPHONSO, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 23, 2008

Surgery (License #A90383 in CA)

🟢
Initial NPI Registration & Enumeration May 20, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1992759187
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 20, 2006
Last Update: July 23, 2008
Sole Proprietor: No

Mailing Address

1635 Divisadero Street, Suite 625, Box 1821

San Francisco, CA 941430001

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.