Hannah Mackiewicz
NPI 1821619230 · Speech-Language Pathologist · San Francisco, CA
Hannah Mackiewicz is a Speech-Language Pathologist provider in San Francisco, CA (NPI 1821619230).
Provider details
- NPI number
- 1821619230
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 29704 (CA)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-27
- Last updated
- 2026-06-04
- Certified
- 2026-06-04
Frequently asked questions
- What is Hannah Mackiewicz's NPI number?
- Hannah Mackiewicz's National Provider Identifier (NPI) is 1821619230, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hannah Mackiewicz's specialty?
- Hannah Mackiewicz is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Hannah Mackiewicz located?
- Hannah Mackiewicz's practice location on file with NPPES is 3045 Santiago St, San Francisco, CA 94116-1526.
- What is Hannah Mackiewicz's phone number?
- The practice phone number listed in the NPPES registry for Hannah Mackiewicz is (628) 900-1508.
- Is Hannah Mackiewicz's NPI active?
- Yes — Hannah Mackiewicz's NPI (1821619230) is active in the NPPES registry as of the last update on 2026-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.