Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. ALFRED MERLIN BLUM MD
NPI 1770533341
Anesthesiology in Castro Valley, CA

Active since May 12, 2006PECOS Enrolled
80.25/100
CMS Quality Rating
20103 LAKE CHABOT RD, CASTRO VALLEY, CA 94546(510) 537-1234(510) 727-2786 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Alfred Merlin Blum Md NPPES

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

DR. ALFRED MERLIN BLUM MD (NPI 1770533341) is an individual anesthesiology provider in Castro Valley, California, licensed in California (G62885) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Baptist Health Medical Center - Jacksonville, and is a graduate of Tulane University School Of Medicine (1986).

NPPES Registry Identity

NPI1770533341
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. ALFRED MERLIN BLUMCredential: MD
Location Address20103 LAKE CHABOT RDCastro Valley, CA 94546-5341
Mailing AddressPo Box 7793San Francisco, CA 94120-7793 · (800) 697-6006
Fax(510) 727-2786
Sole ProprietorNo
Medical School CMSTulane University School Of MedicineGraduated 1986
Enumeration DateMay 12, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1770533341 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License Licensed in CA · G62885
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
20103 LAKE CHABOT RD, Castro Valley, CA 94546

Other Identifiers 1

Medicaid00G628850CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Alfred Merlin Blum Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4587766308
PECOS Enrollment IDI20070226000532
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.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Anesthesia for extensive surgery on spine 00670
Anesthesia for extensive spine surgery involves medication to block pain and make you unconscious during the procedure. It ensures comfort and prevents movement. Two types may be used: general (you sleep) or regional (numbs a large area). The choice depends on the surgery specifics and your health.
72 services72 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
42 services42 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
42 services42 patients
Anesthesia for other procedure on lower spine 00630
Anesthesia for a lower spine procedure involves administering medication to block pain and sensation in your back. This ensures comfort and stillness during the procedure. The type of anesthesia used depends on the specific procedure and your overall health.
25 services25 patients
Anesthesia for x-ray or radiation therapy 01922
Anesthesia for x-ray or radiation therapy involves administering medication to help you relax or sleep during the procedure. It's used to ensure comfort, minimize movement, and reduce anxiety. The type of anesthesia used depends on the procedure and patient's health.
25 services25 patients
Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back 00300
Anesthesia for procedures on skin, muscles, or nerves of the head, neck, and upper back involves using medication to numb the area or make you unconscious during the procedure. This ensures you don't feel pain or discomfort. It's safe and monitored by professionals.
22 services22 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Baptist Health Medical Center - Jacksonville

Acute Care Hospitals · Jacksonville, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100088
Location800 Prudential DrJacksonville, FL 32207 · Duval County
Emergency services Birthing friendly

Baptist Medical Center Beaches

Acute Care Hospitals · Jacksonville Beach, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100117
Location1350 13th Ave SJacksonville Beach, FL 32250 · Duval County
Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

80.25/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality83.44
Improvement Activities40
Cost64.53

Other Providers at the Same Location NPPES 20

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

Hospitalist
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Registered Nurse
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Internal Medicine
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Hospitalist
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Pharmacist (Ambulatory Care)
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Emergency Medicine
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Internal Medicine
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Physician Assistant
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546

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 Alfred Blum's NPI number?

The NPI number for Alfred Blum is 1770533341. It was assigned to this individual provider in the NPPES registry on May 12, 2006.

Where is Alfred Blum located?

Alfred Blum practices at 20103 Lake Chabot Rd, Castro Valley, CA 94546. The listed phone number is (510) 537-1234.

What is Alfred Blum's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Alfred Blum enrolled in Medicare?

Yes. Alfred Blum is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Alfred Blum affiliated with any hospitals?

According to CMS data, Alfred Blum is affiliated with Baptist Health Medical Center - Jacksonville and Baptist Medical Center Beaches.

When was this NPI record last updated?

The NPPES record for Alfred Blum was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days 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.