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MARIA L. MORO-DE-CASILLAS MD
NPI 1255358230
Psychiatry & Neurology - Neurology in Mystic, CT

Active since July 16, 2006PECOS EnrolledAccepts Medicare Assignment
84.47/100
CMS Quality Rating
100 PERKINS FARM DRIVE, SUITE 103, MYSTIC, CT 06355(860) 870-6385(860) 245-0000 Get Directions Write a Review

NPPES record last updated: July 19, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 19, 2022, May 24, 2018 (2 updates tracked since 2018).

About Maria L. Moro-de-casillas Md NPPES

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

MARIA L. MORO-DE-CASILLAS MD (NPI 1255358230) is an individual neurology provider in Mystic, Connecticut, licensed in Rhode Island (MD11991) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Westerly Hospital, and maintains a secondary practice location in Vernon.

NPPES Registry Identity

NPI1255358230
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameMARIA L. MORO-DE-CASILLASCredential: MD
Location Address100 PERKINS FARM DRIVE, SUITE 103Mystic, CT 06355
Mailing Address100 Perkins Farm Drive, Suite 103Mystic, CT 06355 · (860) 886-1433 · Fax (860) 886-4644
Phone(860) 870-6385
Fax(860) 245-0000
Sole ProprietorNo
Medical School CMSOtherGraduated 1995
Enumeration DateJuly 16, 2006
Last NPPES UpdateJuly 19, 20222 updates tracked since enumeration
NPPES CertifiedJuly 19, 2022
✔ NPI 1255358230 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
Licenses✔ Licensed in RI · MD11991✔ Licensed in CT · 44391
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
100 PERKINS FARM DRIVE, Mystic, CT 06355
Open in Google Maps ↗

Secondary Practice Location 1

Location 135 Talcottville Rd Ste 6Vernon, CT 06066-5261 · Phone (860) 870-6385

Other Identifiers 1

Medicaid001443910CT

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Maria L. Moro-de-casillas Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID345247706
PECOS Enrollment IDI20061026000426
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

4

Medicare enrollment records show Maria Moro-de-casillas reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The William W Backus Hospital
14 mi
General Acute Care Hospital
326 WASHINGTON ST
Norwich, CT 06360
  • Reassigned Medicare billing, Connecticut enrollment
  • 430 clinicians in this Medicare group
NPI 1467517235 (860) 889-8331
Hartford Healthcare Medical Group, Inc
43 mi
Surgery
1290 SILAS DEANE HWY, ATTN: LINDA STRAKA
Wethersfield, CT 06109
  • Reassigned Medicare billing, Connecticut enrollment
  • 747 clinicians in this Medicare group
NPI 1043561301 (860) 972-9033
Hartford Hospital
46 mi
Surgery
80 SEYMOUR ST, HARTFORD HOSPITAL PROFESSIONAL SERVICES
Hartford, CT 06102
  • Reassigned Medicare billing, Connecticut enrollment
  • Also billed through NPI 1770696643 (Connecticut)
  • 1,333 clinicians in this Medicare group
NPI 1407806391 (860) 545-7602
Hartford Healthcare Medical Group Specialists, PLLC
46 mi
Surgery
85 SEYMOUR ST STE 415
Hartford, CT 06106
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,921 clinicians in this Medicare group
NPI 1023584216 (860) 246-2071

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 3

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.

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
52 services52 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
24 services23 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Westerly Hospital

Acute Care Hospitals · Westerly, RI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number410013
Location25 Wells StreetWesterly, RI 02891 · Washington County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06355 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.

84.47/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality79.28
Promoting Interoperability100
Improvement Activities40
Cost59.59

Other Providers at the Same Location NPPES 3

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

JESSICA LAWTON PA-C
Physician Assistant (Medical)
100 PERKINS FARM DRIVE, SUITE 102
MYSTIC, CT 06355
Southeastern Connecticut Planning Region (860) 870-6385
JAMES D. DUFFY MD
Psychiatry & Neurology (Psychiatry)
100 PERKINS FARM DRIVE, SUITE 102
MYSTIC, CT 06355
Southeastern Connecticut Planning Region (860) 870-6385
DR. ELENA BORTAN MD
Psychiatry & Neurology (Neurology)
100 PERKINS FARM DRIVE, SUITE 102
MYSTIC, CT 06355
Southeastern Connecticut Planning Region (860) 870-6385

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 Maria Moro-de-casillas's NPI number?

The NPI number for Maria Moro-de-casillas is 1255358230. It was assigned to this individual provider in the NPPES registry on July 16, 2006.

Where is Maria Moro-de-casillas located?

Maria Moro-de-casillas practices at 100 Perkins Farm Drive Suite 103, Mystic, CT 06355. The listed phone number is (860) 870-6385.

What is Maria Moro-de-casillas's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Maria Moro-de-casillas enrolled in Medicare?

Yes. Maria Moro-de-casillas is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Maria Moro-de-casillas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Moro-de-casillas reassigns Medicare benefits to 4 organizations: The William W Backus Hospital (Norwich, CT), Hartford Healthcare Medical Group, Inc (Wethersfield, CT), Hartford Hospital (Hartford, CT) and Hartford Healthcare Medical Group Specialists, PLLC (Hartford, 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 Maria Moro-de-casillas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Maria Moro-de-casillas affiliated with any hospitals?

According to CMS data, Maria Moro-de-casillas is affiliated with Westerly Hospital.

When was this NPI record last updated?

The NPPES record for Maria Moro-de-casillas was last updated on July 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.