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ALYSSA GILLEGO M.D.
NPI 1659567352
Surgery in Greenwich, CT

Active since September 18, 2007PECOS EnrolledAccepts Medicare Assignment
73.56/100
CMS Quality Rating
77 LAFAYETTE PL STE 302, GREENWICH, CT 06830(203) 863-4250(203) 863-4249 Get Directions Write a Review

NPPES record last updated: November 13, 2017. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Alyssa Gillego M.d. NPPES

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

ALYSSA GILLEGO M.D. (NPI 1659567352) is an individual surgery provider in Greenwich, Connecticut, licensed in Connecticut (056739) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2001).

NPPES Registry Identity

NPI1659567352
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameALYSSA GILLEGOCredential: M.D.
Location Address77 LAFAYETTE PL STE 302Greenwich, CT 06830-5426
Mailing AddressPo Box 415126Boston, MA 02241-5126 · (203) 863-4250 · Fax (203) 863-4249
Phone(203) 863-4250
Fax(203) 863-4249
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateSeptember 18, 2007
Last NPPES UpdateNovember 13, 2017
✔ NPI 1659567352 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Licenses✔ Licensed in CT · 056739✔ Licensed in NY · 252073
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
77 LAFAYETTE PL STE 302, Greenwich, CT 06830
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Other Identifiers 5

OtherP4055272Oxford
Other090923000071Fidelis
Medicaid390200000XNY
Other25207301Healthfirst
OtherGA2073Atlantis

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

Alyssa Gillego M.d. 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 ID749335214
PECOS Enrollment IDI20171121002444
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 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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
88 services78 patients
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.
19 services19 patients
Partial removal of breast 19301
A partial removal of the breast, also known as a lumpectomy, involves taking out a portion of the breast tissue to eliminate concerning cells. It's typically performed when the problem area is limited in size. This procedure helps to preserve most of the breast's appearance while aiming to remove all the unhealthy cells.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06830 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
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$75.55 typical visit price
range $19.76 – $149.26
Typical copayment $18.88 (range $4.94 – $37.31)
Most-billed visit code 99213
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.

73.56/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality75.84
Promoting Interoperability74
Improvement Activities40
Cost51.43

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 Alyssa Gillego's NPI number?

The NPI number for Alyssa Gillego is 1659567352. It was assigned to this individual provider in the NPPES registry on September 18, 2007.

Where is Alyssa Gillego located?

Alyssa Gillego practices at 77 Lafayette Pl Ste 302, Greenwich, CT 06830. The listed phone number is (203) 863-4250.

What is Alyssa Gillego's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Alyssa Gillego enrolled in Medicare?

Yes. Alyssa Gillego 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 Alyssa Gillego was last updated on November 13, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.