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ALEXANDER CRAIG MD, MPHIL
NPI 1295311793
Allergy & Immunology - Clinical & Laboratory Immunology in San Francisco, CA

Active since March 23, 2021PECOS Enrolled
185 BERRY ST STE 290, SAN FRANCISCO, CA 94107(415) 353-1667 Get Directions Write a Review

NPPES record last updated: July 23, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 23, 2026, Mar 30, 2021, Mar 23, 2021 (3 updates tracked since 2021).

About Alexander Craig Md, Mphil NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALEXANDER CRAIG MD, MPHIL (NPI 1295311793) is an individual clinical & laboratory immunology provider in San Francisco, California, licensed in California (A191324) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of University Of California, San Francisco School Of Medicine (2021).

NPPES Registry Identity

NPI1295311793
Entity TypeIndividualMale
Primary Taxonomy207KI0005X
Provider Legal NameALEXANDER CRAIGCredential: MD, MPHIL
Location Address185 BERRY ST STE 290San Francisco, CA 94107-1773
Mailing Address505 Parnassus AveSan Francisco, CA 94143-2204 · (415) 476-1000
Phone(415) 353-1667
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2021
Enumeration DateMarch 23, 2021
Last NPPES UpdateJuly 23, 20263 updates tracked since enumeration
NPPES CertifiedJuly 23, 2026
✔ NPI 1295311793 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & Immunology · Clinical & Laboratory ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207KI0005X
License✔ Licensed in CA · A191324
Definition
An allergy and immunology physician who specializes in clinical and laboratory immunology disease management. Source: National Uniform Claim Committee, 2022 Additional Resources: A certification was, but is no longer, issued by the American Board of Allergy and Immunology.
Also ListedAllergy & ImmunologyTaxonomy 207K00000X · License A191324 (CA)
185 BERRY ST STE 290, San Francisco, CA 94107
Open in Google Maps ↗

Secondary Practice Location 1

Location 1505 Parnassus AveSan Francisco, CA 94143-2204 · Phone (415) 514-0681

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alexander Craig Md, Mphil is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5698232767
PECOS Enrollment IDI20260807003798
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Alexander Craig reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of California San Francisco
3.7 mi
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1346329380 (415) 353-2161
Ucsf Medical Group Business Services
3.7 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. NIKKA YU KHORSANDI MD, MPH
Pathology (Clinical Pathology/Laboratory Medicine)
185 BERRY ST STE 290
SAN FRANCISCO, CA 94107
San Francisco County (415) 353-1667
IVO NOVITA SAH BANDAR MD
Pathology (Hematology)
185 BERRY ST STE 290
SAN FRANCISCO, CA 94107
San Francisco County (415) 353-1667
LAURA ELIZABETH BROWN M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
185 BERRY ST STE 290
SAN FRANCISCO, CA 94107
San Francisco County (415) 353-1667
JACOB DANIEL SPECTOR MD
Pathology (Clinical Pathology/Laboratory Medicine)
185 BERRY ST STE 290
SAN FRANCISCO, CA 94107
San Francisco County (510) 428-3162
MOHAMED HAMDI FOUAD BIKHET MBBCH
Pathology (Blood Banking & Transfusion Medicine)
185 BERRY ST STE 290
SAN FRANCISCO, CA 94107
San Francisco County (415) 353-1667
DR. XANDER MARIA ROBERTUS VAN WIJK PHD, DABCC, FADLM
Pathology (Clinical Pathology/Laboratory Medicine)
185 BERRY ST STE 290
SAN FRANCISCO, CA 94107
San Francisco County (415) 476-7888
PARNAZ DANESHPAJOUHNEJAD
Pathology (Hematology)
185 BERRY ST STE 290
SAN FRANCISCO, CA 94107
San Francisco County (415) 476-2963
DR. STEVEN ANDREW MILLER MD, PHD
Pathology (Clinical Pathology/Laboratory Medicine)
185 BERRY ST STE 290, BOX 0100
SAN FRANCISCO, CA 94107
San Francisco County (415) 353-1000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alexander Craig's NPI number?

The NPI number for Alexander Craig is 1295311793. It was assigned to this individual provider in the NPPES registry on March 23, 2021.

Where is Alexander Craig located?

Alexander Craig practices at 185 Berry St Ste 290, San Francisco, CA 94107. The listed phone number is (415) 353-1667.

What is Alexander Craig's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Clinical & Laboratory Immunology, with taxonomy code 207KI0005X.

Is Alexander Craig enrolled in Medicare?

Yes. Alexander Craig is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Alexander Craig's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Craig reassigns Medicare benefits to 2 organizations: University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alexander Craig's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Alexander Craig was last updated on July 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.