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Allergy/Immunology

Alexander M. Craig, MD

Sees patients in San Francisco, CA · California

Summary

Alexander M. Craig, MD (Allergy/Immunology) is enrolled with Medicare at 2 practice locations in San Francisco, CA. NPI 1295311793. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Alexander M. Craig, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Allergy/ImmunologyPrimary specialty
May acceptAccepts Medicare assignment
5Years since medical school (graduated 2021)
University Of California, San Francisco School Of MedicineMedical school
MaleGender (as listed)

Quick answers

Where does Alexander M. Craig see patients?
Medicare's clinician data lists 2 practice locations, including San Francisco, CA. Call before your visit to confirm the address.
What is Alexander M. Craig's specialty?
Medicare lists Allergy/Immunology as the primary specialty.
Does Alexander M. Craig accept Medicare assignment?
Medicare's clinician data says Alexander M. Craig may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Alexander M. Craig's NPI number?
1295311793. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Alexander M. Craig is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other Allergy/Immunology doctors in California →

Other allergist and immunologists in San Francisco

Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.

All allergist and immunologists in San Francisco →

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Francisco School Of Medicine
Graduation year2021
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1295311793
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians