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MARISSA DEFREESE MD
NPI 1194963462
Surgery - Surgical Critical Care in Stamford, CT

Active since January 26, 2009PECOS EnrolledAccepts Medicare Assignment
87.59/100
CMS Quality Rating
29 HOSPITAL PLAZA, 6TH FLOOR, STAMFORD, CT 06902(203) 276-5959(203) 276-5969 Get Directions Write a Review

NPPES record last updated: February 7, 2017. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Marissa Defreese Md NPPES

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

MARISSA DEFREESE MD (NPI 1194963462) is an individual surgical critical care provider in Stamford, Connecticut, licensed in Connecticut (047916) and active in the NPI registry since January 2009. She is enrolled in Medicare PECOS and is a graduate of Other (2003).

NPPES Registry Identity

NPI1194963462
Entity TypeIndividualFemale
Primary Taxonomy2086S0102X
Provider Legal NameMARISSA DEFREESECredential: MD
Location Address29 HOSPITAL PLAZA, 6TH FLOORStamford, CT 06902-2419
Mailing Address29 Hospital Plaza, 6th FloorStamford, CT 06902-2419 · (203) 276-5959 · Fax (203) 276-5969
Phone(203) 276-5959
Fax(203) 276-5969
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateJanuary 26, 2009
Last NPPES UpdateFebruary 7, 2017
✔ NPI 1194963462 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Surgical Critical CareAllopathic & Osteopathic Physicians
Taxonomy Code2086S0102X
License✔ Licensed in CT · 047916
Definition
A surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedSurgeryTaxonomy 208600000X · License 047916 (CT)
29 HOSPITAL PLAZA, Stamford, CT 06902
Open in Google Maps ↗

Other Names 1

Former Name (1)Marissa Delgado Md

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Marissa Defreese 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 ID3072709138
PECOS Enrollment IDI20180830003141
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.

Areas of Expertise CMS Part B claims 9

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
218 services159 patients
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.
109 services92 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
87 services86 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
59 services48 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
32 services31 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
18 services18 patients

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.

87.59/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.94
Improvement Activities40

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.

MARILEE L FREITAS M.D.
Colon & Rectal Surgery
29 HOSPITAL PLAZA, SUITE 604
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 323-8989
JOONUN CHOI MD
Internal Medicine (Cardiovascular Disease)
29 HOSPITAL PLAZA, SUITE 502
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 348-7410
DR. WILLIAM JAMES SYMONS MD
Surgery (Surgical Critical Care)
29 HOSPITAL PLAZA, SUITE 603
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 276-5959
DR. SARAH A MULUKUTLA MD, MPH
Psychiatry & Neurology (Neurology)
29 HOSPITAL PLAZA, SUITE 602
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 276-4464
KEVIN D MILLER MD
Surgery
29 HOSPITAL PLAZA, SUITE 603
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 276-5959
GREGORY R D'ONOFRIO M.D.
Internal Medicine (Cardiovascular Disease)
29 HOSPITAL PLAZA, SUITE 502
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 348-7410
DR. SHUAIB A LATIF MD
Internal Medicine (Clinical Cardiac Electrophysiology)
29 HOSPITAL PLAZA, SUITE 501
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 276-2321
JEFFREY A GREEN M.D.
Internal Medicine (Cardiovascular Disease)
29 HOSPITAL PLAZA, SUITE 502
STAMFORD, CT 06902
Western Connecticut Planning Region (203) 348-7410

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 Marissa Defreese's NPI number?

The NPI number for Marissa Defreese is 1194963462. It was assigned to this individual provider in the NPPES registry on January 26, 2009. The provider is also known as Marissa Delgado MD.

Where is Marissa Defreese located?

Marissa Defreese practices at 29 Hospital Plaza 6th Floor, Stamford, CT 06902. The listed phone number is (203) 276-5959.

What is Marissa Defreese's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.

Is Marissa Defreese enrolled in Medicare?

Yes. Marissa Defreese 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.

When was this NPI record last updated?

The NPPES record for Marissa Defreese was last updated on February 7, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.