NPI Portal NPI Lookup & Verification

Brian J. Acker, M.D.

Brian J. Acker is a Surgery Physician provider (Surgery) practicing in Long Beach, CA, registered in the NPPES registry with NPI 1003831447 since 2006. The credential MD stands for Doctor of Medicine.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1003831447
Entity type Individual (Type 1)
Name Brian J. Acker
Credential M.D.
Sex Male
Practice address Long Beach, CA, 90806
Phone 5625954444
Fax 5624921157
Enumeration date 2006-07-13
Last updated in NPPES 2013-01-09

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code Specialty Primary License State
208600000X Surgery Physician Primary G35691 CA
2086S0127X Trauma Surgery Physician Secondary G35691 CA
2086S0129X Vascular Surgery Physician Secondary G35691 CA

MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
00G356910 Medicaid CA
Copy-ready billing details
Provider: Brian Acker, M.D.
NPI: 1003831447
Taxonomy: 208600000X (Surgery Physician)
Address: Long Beach, CA, 90806

Other providers at this practice address

NPI Name Type Specialty Location
1285630202 Jesse Tan Individual Otolaryngology Physician Long Beach, CA
1730185687 Jesus Tan Individual Otolaryngology Physician Long Beach, CA
1134100225 Gholamreza F. Pourzia, M.D., Inc Organization Cardiovascular Disease Physician Long Beach, CA
1407834146 Gregory Thomas Individual Cardiovascular Disease Physician Long Beach, CA
1821078544 Lun Hom Individual Surgical Oncology Physician Long Beach, CA
1639129711 Toan Nguyen Individual Specialist Long Beach, CA
1275584898 Anaida Melkumian Individual General Practice Physician Long Beach, CA
1083636187 Veronique Jotterand Individual Ophthalmology Physician Long Beach, CA

Verify this record

Cross-check NPI 1003831447 against the authoritative CMS record: view Brian J. Acker on the official NPPES registry .

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.

Frequently asked questions

Where does Brian Acker practice?
The practice location on file with NPPES is in Long Beach, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Brian Acker?
The National Provider Identifier (NPI) for Brian Acker is 1003831447, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-10. Provider record last updated 2013-01-09.