Leigh Mazzei, PA-C
NPI 1174071427 · Physician Assistant · Baltimore, MD
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leigh Mazzei, PA-C is a Physician Assistant provider in Baltimore, MD (NPI 1174071427).
Provider details
- NPI number
- 1174071427
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- 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 tenure33% of score
9 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$310 across 10 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-09-15
- Last updated
- 2016-09-15
Frequently asked questions
- What is Leigh Mazzei's NPI number?
- Leigh Mazzei's National Provider Identifier (NPI) is 1174071427, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leigh Mazzei's specialty?
- Leigh Mazzei is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Leigh Mazzei located?
- Leigh Mazzei's practice location on file with NPPES is 5601 Loch Raven Blvd, Baltimore, MD 21239-2945.
- What is Leigh Mazzei's phone number?
- The practice phone number listed in the NPPES registry for Leigh Mazzei is (410) 868-7657.
- Does Leigh Mazzei accept Medicare?
- Leigh Mazzei is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leigh Mazzei's NPI active?
- Yes — Leigh Mazzei's NPI (1174071427) is active in the NPPES registry as of the last update on 2016-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.