Alfred Blum, MD
NPI 1770533341 · Anesthesiology Physician · Castro Valley, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alfred Blum, MD is a Anesthesiology Physician provider in Castro Valley, CA (NPI 1770533341).
Provider details
- NPI number
- 1770533341
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- G62885 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
373 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Anesthesia for Extensive Surgery on Spine00670 | 72 | $252 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 42 | $91 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 42 | $42 |
| Anesthesia for Other Procedure on Lower Spine00630 | 25 | $150 |
| Anesthesia for X-Ray Or Radiation Therapy01922 | 25 | $119 |
| Anesthesia for Other Procedure on Skin, Muscles, Or Nerves of Head, Neck, and Upper Back00300 | 22 | $102 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$242 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Alfred Blum's NPI number?
- Alfred Blum's National Provider Identifier (NPI) is 1770533341, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alfred Blum's specialty?
- Alfred Blum is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Alfred Blum located?
- Alfred Blum's practice location on file with NPPES is 20103 Lake Chabot Rd, Castro Valley, CA 94546-5341.
- What is Alfred Blum's phone number?
- The practice phone number listed in the NPPES registry for Alfred Blum is (510) 537-1234.
- Does Alfred Blum accept Medicare?
- Alfred Blum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alfred Blum's NPI active?
- Yes — Alfred Blum's NPI (1770533341) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.