Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Heidi Maas, ND
Naturopath in Tacoma, WA · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1841883923
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Registry record
Entity type Individual (Type 1)
Name Dr. Heidi Maas
Credential ND
Sex Female
Practice address 1530 S Union Ave Ste 4, Tacoma, WA, 98405
Phone (253) 752-2558
Fax (253) 759-6460
Enumeration date Feb 18, 2021
Last updated in NPPES Dec 26, 2024
Taxonomy & licenses
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.
Frequently asked questions
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Heidi Maas?
Heidi Maas is registered in NPPES with the primary taxonomy of Naturopath. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Other providers at this practice address
Browse all → James Stirrett Naturopath · Tacoma, WA NPI 1255868881 Sierra Padmoroff Naturopath · Tacoma, WA NPI 1467957068 Michelle Kent Naturopath · Tacoma, WA NPI 1083191324 Celeste Bosworth Naturopath · Tacoma, WA NPI 1598320723 Cadence Wong Naturopath · Tacoma, WA NPI 1720672785 Sara Imam Naturopath · Tacoma, WA NPI 1598647117 Nina Nani Naturopath · Tacoma, WA NPI 1366320855 Aletheia Merrill-Lukens Naturopath · Tacoma, WA NPI 1598645277
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-12-26.