MARIA DEL MAR MAZZA, APRN
Lactation Consultant (Registered Nurse) in BRIDGEPORT, Connecticut. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.
What the federal data shows
MARIA DEL MAR MAZZA, APRN filed 50 Medicare Part D claims in 2023 as a Lactation Consultant (Registered Nurse) in BRIDGEPORT, Connecticut, prescribing 22% generic.
- 50
- Part D claims, 2023
- 22%
- generic prescribing
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) — no proprietary rating or editorial opinion is applied.
MARIA DEL MAR MAZZA, APRN at a glance
Quality data not reportedPrimary specialty
Medicare Part D claims
Specialty distribution in Connecticut
How Lactation Consultant (Registered Nurse) compares to other specialties among Connecticut providers
Lactation Consultant (Registered Nurse) share within Connecticut
Lactation Consultant (Registered Nurse) is one of the more visible NUCC categories in Connecticut
Each bar reflects the share of in-state providers whose primary NUCC taxonomy matches the specialty. Long tail of ~690 NUCC codes folded into "Other" to keep the comparison legible.
Specialty board-certification context
Estimated specialty board-certified rate — Lactation Consultant (Registered Nurse) (ABMS / AOA reference)
- Est. board-certified rate
- 78%
- Lactation Consultant (Registered Nurse) ABMS/AOA estimate
Est. board-certified rate (Lactation Consultant (Registered Nurse)) — ABMS / AOA estimate
Verify credentials
- Verify via ABMS free public lookup
- Verify via AOA osteopathic boards
- Specialty volume Lactation Consultant (Registered Nurse) US NPIs
Specialty board-certified rate — Lactation Consultant (Registered Nurse) estimate
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus Maintenance of Certification cycles. CMS does not publish a per-provider board-certification field; the figure shown is the specialty-level estimated rate from ABMS / AOA reference data.
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
MARIA DEL MAR MAZZA, APRN is a Lactation Consultant (Registered Nurse) provider practicing in BRIDGEPORT, Connecticut, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: APRN. NPI: 1912524521. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.
MARIA DEL MAR MAZZA, APRN appears in the CMS NPPES registry as a Lactation Consultant (Registered Nurse) provider holding APRN credentials at 982 E MAIN ST, BRIDGEPORT, CT, 06608, with a listed phone of (203) 589-7857. NPI 1912524521 was issued on 06/30/2020. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what MAZZA most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.
Medicare Part D records for calendar year 2023 show 50 prescription claims written by this provider, covering N/A Medicare beneficiaries and totaling roughly $45K in drug spend, split 78% brand-name and 22% generic by claim count. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.
Lactation Consultant (Registered Nurse) is a narrow specialty nationwide, with 3,799 enrolled providers across 53 states and an average of 560 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.
Practice Address
Provider Details
| NPI | 1912524521 |
|---|---|
| Specialty | Lactation Consultant (Registered Nurse) |
| Credentials | APRN |
| Gender | Female |
| NPI Issued | 06/30/2020 |
Verify this provider's license
PlainDoctor pulls this profile from the CMS NPPES public registry. Confirm MARIA DEL MAR MAZZA, APRN's current license status, disciplinary history, and board certifications with the Connecticut Department of Public Health in Connecticut before relying on this page for a clinical or care decision.
How we sourced this profile
Hospital and facility affiliations
Facilities where MARIA DEL MAR MAZZA, APRN bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" — a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.
Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).
Brand vs generic prescribing mix · Brand-heavy
78% brand-name claims vs 22% generic, on 50 2023 Medicare Part D claims.
The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2023.
Prescribing Breakdown
- 30-Day Fills
- 67
- Total Day Supply
- 1,992
- Brand vs Generic
- 78% brand / 22% generic
- Brand Drug Cost
- $44K
Patient Demographics
- Average Patient Age
- 59.1 years
- Avg HCC Risk Score
- 1.04
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.
| Drug | Claims |
|---|---|
| Ozempic Semaglutide | 29 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Lactation Consultant (Registered Nurse) Overview
How MARIA DEL MAR MAZZA, APRN fits within the Lactation Consultant (Registered Nurse) landscape nationally.
MARIA DEL MAR MAZZA, APRN's 50 claims are below the specialty average of 560.
Nearby Lactation Consultant (Registered Nurse) Providers in Connecticut
Other clinicians with the same primary specialty enrolled in Connecticut, drawn from the same CMS NPPES roster as MAZZA.
Compare Lactation Consultant (Registered Nurse) nationally: see state-by-state distribution →
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Frequently Asked Questions
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Data Sources
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Prescribing Data
- CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology