2026 NPPES data Neurology Physician NPI 1043248255 M. D.
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LOUIS SANFILIPPO, M. D.

Neurology Physician in NEW HAVEN, Connecticut. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
136
Medicare Part D claims · 13 beneficiaries · Neurology Physician avg: 1K
What the federal data reveals: LOUIS SANFILIPPO, M. D. is a Neurology Physician ([object Object]) practicing in NEW HAVEN, Connecticut with a Medicare Part D prescribing footprint of 136 claims across 13 beneficiaries .

What stands out: LOUIS SANFILIPPO, M. D. filed 136 Medicare Part D claims in 2023 across NEW HAVEN, Connecticut. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board-eligible specialty (heuristic — not verified)

LOUIS SANFILIPPO, M. D. practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).

LOUIS SANFILIPPO, M. D. at a glance

Quality data not reported

NPI registry status

Active

Issued 06/28/2006

NPI 1043248255

Primary specialty

Neurology Physician

Mid-sized

19,866 US NPIs in this specialty

Medicare Part D claims

136 90% vs specialty avg

2023 prescription claims

Specialty avg: 1,309

Specialty distribution in Connecticut

How Neurology Physician compares to other specialties among Connecticut providers

Connecticut providers

Neurology Physician share within Connecticut

1. Neurology Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Neurology Physician share within Connecticut

Specialty board-certification context

Estimated specialty board-certified rate — Neurology Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Neurology Physician ABMS/AOA estimate

Est. board-certified rate (Neurology Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Neurology Physician) — ABMS / AOA estimate

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).

LOUIS SANFILIPPO, M. D. is a Neurology Physician provider practicing in NEW HAVEN, Connecticut, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: M. D.. NPI: 1043248255. 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.

LOUIS SANFILIPPO, M. D. appears in the CMS NPPES registry as a Neurology Physician provider holding M. D. credentials at 17 HILLHOUSE AVE, NEW HAVEN, CT, 06511, with a listed phone of (203) 432-0076. NPI 1043248255 was issued on 06/28/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what SANFILIPPO 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 136 prescription claims written by this provider, covering 13 Medicare beneficiaries and totaling roughly $3K in drug spend. 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.

Neurology Physician is a mid-sized specialty nationwide, with 19,866 enrolled providers across 54 states and an average of 1,309 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

17 HILLHOUSE AVE
NEW HAVEN, CT 06511

Provider Details

NPI 1043248255
Specialty Neurology Physician
Credentials M. D.
Gender Male
NPI Issued 06/28/2006

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

136
Total Claims
$3K
Total Drug Cost
13
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
218
Total Day Supply
6,174
Generic Drug Cost
$3K

Patient Demographics

Average Patient Age
70.8 years
Avg HCC Risk Score
1.09

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

Drug Claims
Escitalopram Oxalate
24
Clonazepam
15
Bupropion Hcl Sr
Bupropion Hcl
14
Lorazepam
14
Zolpidem Tartrate
12
Zolpidem Tartrate Er
Zolpidem Tartrate
12

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Neurology Physician Overview

How LOUIS SANFILIPPO, M. D. fits within the Neurology Physician landscape nationally.

19,866
Neurology Physician Providers in US
54
States with Neurology Physician
1,309
Avg Claims per Provider

LOUIS SANFILIPPO, M. D.'s 136 claims are below the specialty average of 1,309.

Nearby Neurology Physician Providers in Connecticut

Other clinicians with the same primary specialty enrolled in Connecticut, drawn from the same CMS NPPES roster as SANFILIPPO.

Compare Neurology Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is LOUIS SANFILIPPO, M. D.'s specialty?
LOUIS SANFILIPPO, M. D. specializes in Neurology Physician and practices in NEW HAVEN, Connecticut. Credentials: M. D..
How much does LOUIS SANFILIPPO, M. D. prescribe under Medicare Part D?
In 2023, LOUIS SANFILIPPO, M. D. wrote 136 Medicare Part D claims totaling $3K in drug costs for 13 beneficiaries.
Where is LOUIS SANFILIPPO, M. D. located?
LOUIS SANFILIPPO, M. D. is located at 17 HILLHOUSE AVE, NEW HAVEN, CT, 06511. Phone: (203) 432-0076.
What is LOUIS SANFILIPPO, M. D.'s NPI number?
LOUIS SANFILIPPO, M. D.'s National Provider Identifier (NPI) is 1043248255, issued on 06/28/2006.
How many Neurology Physician providers are there in the US?
There are 19,866 Neurology Physician providers across 54 states in the US. The average Neurology Physician provider writes 1,309 Medicare Part D claims per year.
What drugs does LOUIS SANFILIPPO, M. D. prescribe most often?
Based on 2023 Medicare Part D data, LOUIS SANFILIPPO, M. D.'s most frequently prescribed drugs include Escitalopram Oxalate, Clonazepam, Bupropion Hcl Sr. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does LOUIS SANFILIPPO, M. D. accept Medicare?
LOUIS SANFILIPPO, M. D. appears in CMS Medicare data with 136 Part D claims and 13 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify LOUIS SANFILIPPO, M. D.'s credentials?
LOUIS SANFILIPPO, M. D.'s NPI is 1043248255 with credentials M. D.. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

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