Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1821619230 Individual Practitioner Female Practitioner

Hannah Mackiewicz

Speech-Language Pathologist • San Francisco, CA

Professional Overview & Biography Verified Profile Summary

Hannah Mackiewicz is a registered healthcare professional specializing in Speech-Language Pathologist in San Francisco, CA. Practice services are available at 3045 SANTIAGO ST under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

3045 Santiago St

San Francisco, CA 941161526

Telephone 6289001508

Specialty Benchmarks & Practice Insights

Comparative analytics for Speech-Language Pathologist in San Francisco, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 11.9 Yrs
State Avg: 14.3 Yrs
Regional Practice Density
448 Specialists

Practicing in San Francisco, CA (13280 Statewide)

Telehealth Adoption Rate
1.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-06-04
Speech-Language Pathologist Primary Specialty

NUCC Taxonomy Code: 235Z00000X

State License CA 29704

The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Sophia Kan

Occupational Therapist

NPI 1003747023
Shannon Parenti

Speech-Language Pathologist

NPI 1033041785
Avery Himes

Speech-Language Pathologist

NPI 1043143530
Ryan Rennels

Speech-Language Pathologist

NPI 1043143886
Maria Joanna Luciano , OTR, L

Occupational Therapist

NPI 1053564088

Occupational Therapist Registered, L

Chloe Fleischer

Speech-Language Pathologist

NPI 1063343432

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
📍
Updated Practice Location June 04, 2026

Registered at 3045 SANTIAGO ST, SAN FRANCISCO, CA 941161526 (Tel: 6289001508)

📍
Updated Business Mailing Address June 04, 2026

Registered at 1009 DOLORES ST, SAN FRANCISCO, CA 941102924

NPI Profile Active April 27, 2020

NPI status registered as active in NPPES database

📍
Updated Practice Location April 27, 2020

Registered at 2021 YGNACIO VALLEY RD STE C202, WALNUT CREEK, CA 945983392 (Tel: 4156091300)

📍
Updated Business Mailing Address April 27, 2020

Registered at 100 20TH AVE APT 9, SAN FRANCISCO, CA 941211335

👤
Provider Name / Credentials Updated April 27, 2020

Recorded as HANNAH MACKIEWICZ

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) April 27, 2020

Speech-Language Pathologist (License #29704 in CA)

🟢
Initial NPI Registration & Enumeration April 27, 2020

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1821619230
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: April 27, 2020
Last Update: June 04, 2026
Sole Proprietor: Yes

Mailing Address

1009 Dolores St

San Francisco, CA 941102924

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
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