DR. DAVID LOUISIA MD
NPI 1003475971
Internal Medicine in Danbury, CT

Active since June 13, 2019PECOS Enrolled
91.25/100
CMS Quality Rating
120 MAIN ST, DANBURY, CT 06810(203) 743-0100 Get Directions Write a Review

NPPES record last updated: September 5, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 5, 2024, Jun 13, 2019 (2 updates tracked since 2019).

About Dr. David Louisia Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DAVID LOUISIA MD (NPI 1003475971) is an individual internal medicine provider in Danbury, Connecticut, licensed in Connecticut (71799) and active in the NPI registry since June 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1003475971
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. DAVID LOUISIACredential: MD
Location Address120 MAIN STDanbury, CT 06810-7834
Mailing Address120 Main StDanbury, CT 06810-7834 · (203) 456-1406
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateJune 13, 2019
Last NPPES UpdateSeptember 5, 20242 updates tracked since enumeration
NPPES CertifiedSeptember 5, 2024
✔ NPI 1003475971 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CT · 71799
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
120 MAIN ST, Danbury, CT 06810

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. David Louisia Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8921481284
PECOS Enrollment IDI20220818002425
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show David Louisia reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Federally Qualified Health Center (FQHC)
120 MAIN ST FL 4
Danbury, CT 06810
  • Reassigned Medicare billing, Connecticut enrollment
  • 93 clinicians in this Medicare group
General Acute Care Hospital
435 LEWIS AVE
Meriden, CT 06451
  • Reassigned Medicare billing, Connecticut enrollment
  • 505 clinicians in this Medicare group
General Acute Care Hospital
100 GRAND ST
New Britain, CT 06052
  • Reassigned Medicare billing, Connecticut enrollment
  • 745 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
211 services113 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
26 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06810 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.25/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality86.37
Promoting Interoperability100
Improvement Activities40
Cost56.52

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Student in an Organized Health Care Education/Training Program
120 MAIN ST
DANBURY, CT 06810
Student in an Organized Health Care Education/Training Program
120 MAIN ST
DANBURY, CT 06810
Dentist
120 MAIN ST
DANBURY, CT 06810
Student in an Organized Health Care Education/Training Program
120 MAIN ST, 3RD FLOOR
DANBURY, CT 06810
Student in an Organized Health Care Education/Training Program
120 MAIN ST
DANBURY, CT 06810
Student in an Organized Health Care Education/Training Program
120 MAIN ST
DANBURY, CT 06810
Internal Medicine
120 MAIN ST
DANBURY, CT 06810
Student in an Organized Health Care Education/Training Program
120 MAIN ST
DANBURY, CT 06810

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is David Louisia's NPI number?

The NPI number for David Louisia is 1003475971. It was assigned to this individual provider in the NPPES registry on June 13, 2019.

Where is David Louisia located?

David Louisia practices at 120 Main St, Danbury, CT 06810. The listed phone number is (203) 743-0100.

What is David Louisia's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is David Louisia enrolled in Medicare?

Yes. David Louisia is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for David Louisia's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Louisia reassigns Medicare benefits to 3 organizations: Connecticut Institute For Communities Inc (Danbury, CT), Midstate Medical Center (Meriden, CT) and The Hospital Of Central Connecticut At New Britain General And Bradley (New Britain, CT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David Louisia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does David Louisia accept?

Health plans from Anthem Blue Cross and Blue Shield list David Louisia as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for David Louisia was last updated on September 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.