Mackenzie Steffen
NPI 1699605642 · Medical Physician Assistant · Hamburg, NY
Mackenzie Steffen is a Medical Physician Assistant provider in Hamburg, NY (NPI 1699605642).
Provider details
- NPI number
- 1699605642
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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
- 2026-05-21
- Last updated
- 2026-05-21
- Certified
- 2026-05-21
Frequently asked questions
- What is Mackenzie Steffen's NPI number?
- Mackenzie Steffen's National Provider Identifier (NPI) is 1699605642, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mackenzie Steffen's specialty?
- Mackenzie Steffen is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mackenzie Steffen located?
- Mackenzie Steffen's practice location on file with NPPES is 188 George St, Hamburg, NY 14075-3848.
- What is Mackenzie Steffen's phone number?
- The practice phone number listed in the NPPES registry for Mackenzie Steffen is (716) 449-2269.
- Is Mackenzie Steffen's NPI active?
- Yes — Mackenzie Steffen's NPI (1699605642) is active in the NPPES registry as of the last update on 2026-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.