National Provider Identifier (NPI)

Get It. Share It. Use It.

Alameda Alliance for Health (Alliance) providers must use their National Provider Identifier (NPI) on all electronic submissions sent to the Alliance. Failure to report the NPI to the Alliance may cause a delay in claims reimbursement. Please follow the instructions below to comply with this requirement.

  1. Apply for an NPI number. You may apply online at or by mail. To request an application by mail, please contact the NPI Enumerator at 1-800-465-3203 or TTY 1-800-692-2326. To learn more about NPI, visit the Centers for Medicare & Medicaid Services (CMS) Web site at
  2. Please obtain and submit your taxonomy specialty code with your NPI. Taxonomy information, including a complete list of taxonomy codes, is available at
  3. Report your NPI number and taxonomy specialty code to the Alliance. Submit your NPI and other provider information to the Alliance on your office letterhead with the Provider or Office Manager's signature. Fax it to Provider Services at (510) 747-4508.

If you have questions about the NPI or taxonomy specialty code, please call Provider Services at (510) 747-4510.

Click here for detailed NPI FAQ sheet.