Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Alfred Merlin Blum, MD

Individual provider Anesthesiology Physician · NPI 1770533341

Dr. Alfred Merlin Blum, MD is an Anesthesiology in Castro Valley, California. Graduated from Tulane University School of Medicine in 1986, 40 years ago. Practices with US Anesthesia Partners of Florida Inc, a 1,093-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
40
Trained at
Tulane University School of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

20103 Lake Chabot Rd
Castro Valley, CA 94546-5341
Phone: (510) 537-1234
Fax: (510) 727-2786
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence G62885 (CA)

Record details

NPI number1770533341
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 12, 2006
Last updated in NPPESJuly 13, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyANESTHESIOLOGY
Medical schoolTULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1986 (40 years in practice)
Group practice Us Anesthesia Partners Of Florida Inc — 1093 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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