DR. WILLIAM JAMES SYMONS MD
NPI 1063618395
Surgery - Surgical Critical Care in Stamford, CT

Q: What is William Symons's NPI number?

The NPI number for William Symons is 1063618395. It was assigned to this individual provider in the NPPES registry on June 24, 2007.

Q: What is William Symons's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for William Symons was last updated on January 13, 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.

Active since June 24, 2007PECOS EnrolledAccepts Medicare Assignment

79.07/100

CMS Quality Rating

29 HOSPITAL PLAZA, SUITE 603, STAMFORD, CT 06902(203) 276-5959(203) 276-5969 Get Directions Write a Review

NPPES record last updated: January 13, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 13, 2017, Oct 2, 2015 (2 updates tracked since 2015).

On this page

About Dr. William James Symons Md NPPES

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

DR. WILLIAM JAMES SYMONS MD (NPI 1063618395) is an individual surgical critical care provider in Stamford, Connecticut, licensed in Connecticut (55142) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Chicago, Pritzker School Of Medicine (2007).

NPPES Registry Identity

NPI1063618395

Entity TypeIndividualMale

Primary Taxonomy2086S0102X

Provider Legal NameDR. WILLIAM JAMES SYMONSCredential: MD

Location Address29 HOSPITAL PLAZA, SUITE 603Stamford, CT 06902-3602

Mailing Address29 Hospital Plaza, Suite 603Stamford, CT 06902-3602 · (203) 276-5959 · Fax (203) 276-5969

Phone(203) 276-5959

Fax(203) 276-5969

Sole ProprietorNo

Medical School CMSUniversity Of Chicago, Pritzker School Of MedicineGraduated 2007

Enumeration DateJune 24, 2007

Last NPPES UpdateJanuary 13, 20172 updates tracked since enumeration

✔ NPI 1063618395 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 · 55142

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 55142 (CT)

29 HOSPITAL PLAZA, Stamford, CT 06902

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

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

Dr. William James Symons 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 ID9638311822

PECOS Enrollment IDI20160622000323

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 Reassignment

Medicare enrollment records show William Symons reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Stamford Health Medical Group Inc

2.8 mi

General Practice

ONE OMEGA DRIVE, BUILDING 3, 2ND FLOOR
Stamford, CT 06907

Reassigned Medicare billing, Connecticut enrollment
496 clinicians in this Medicare group

NPI 1154633980 (203) 276-7447

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 11

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.

Removal of skin and tissue, 20.0 sq cm or less 11042

This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.

136 services30 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.

115 services64 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.

79 services79 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

56 services45 patients

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.

53 services27 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.

41 services38 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

40 services39 patients

Removal of muscle and/or tissue, 20.0 sq cm or less 11043

This procedure involves the surgical removal of a specified area (20.0 sq cm or less) of muscle and/or tissue. It's typically done to treat conditions like tumors, infections, or injuries. Local or general anesthesia ensures comfort. Recovery time varies.

36 services11 patients

Repair of groin hernia using an endoscope 49650

This procedure involves the use of an endoscope, a thin tube with a camera, to repair a hernia in the groin area. The surgeon makes small incisions, inserts the endoscope, and uses special tools to fix the hernia. This minimally invasive technique often results in quicker recovery times.

31 services31 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

31 services19 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

11 services11 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.

79.07/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

73.19

Promoting Interoperability

Improvement Activities

Cost

57.89

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. SARAH A MULUKUTLA MD, MPH

Psychiatry & Neurology (Neurology)

29 HOSPITAL PLAZA, SUITE 602
STAMFORD, CT 06902

Western Connecticut Planning Region (203) 276-4464

MARISSA DEFREESE MD

Surgery (Surgical Critical Care)

29 HOSPITAL PLAZA, 6TH FLOOR
STAMFORD, CT 06902

Western Connecticut Planning Region (203) 276-5959

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

DR. MICHAEL IRWIN EBRIGHT M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery)

29 HOSPITAL PLAZA, SUITE 505
STAMFORD, CT 06902

Western Connecticut Planning Region (203) 276-4404

SARAH E BUCKINGHAM MD

Psychiatry & Neurology (Neurology)

29 HOSPITAL PLAZA, SUITE 602
STAMFORD, CT 06902

Western Connecticut Planning Region (203) 276-4464

MICHAEL F PARRY MD

Internal Medicine (Infectious Disease)

29 HOSPITAL PLAZA, SUITE 605
STAMFORD, CT 06902

Western Connecticut Planning Region (203) 353-1427

MS. KATHRYN CREAGH

Nurse Practitioner (Adult Health)

29 HOSPITAL PLAZA, SUITE 502
STAMFORD, CT 06902

Western Connecticut Planning Region (203) 348-7410

DR. WAYNE HENRY MILLER MD

Internal Medicine (Cardiovascular Disease)

29 HOSPITAL PLAZA, SUITE 502
STAMFORD, CT 06902

Western Connecticut Planning Region (203) 348-7410

DR. LOUISE D RESOR M.D.

Psychiatry & Neurology (Neurology)

29 HOSPITAL PLAZA, SUITE 602
STAMFORD, CT 06902

Western Connecticut Planning Region (203) 276-4464

DR. EVELYN JANE CUSACK M.D.

Internal Medicine (Cardiovascular Disease)

29 HOSPITAL PLAZA, SUITE 502
STAMFORD, CT 06902

Western Connecticut Planning Region (203) 348-7410

CSABA GAJDOS MD

Surgery (Surgical Oncology)

29 HOSPITAL PLAZA, SUITE 603
STAMFORD, CT 06902

Western Connecticut Planning Region (203) 276-5959

DR. CHARLES E LITTLEJOHN MD

Colon & Rectal Surgery

29 HOSPITAL PLAZA, SUITE 604
STAMFORD, CT 06902

Western Connecticut Planning Region (203) 323-8989

EDWIN F RICHTER III MD

Physical Medicine & Rehabilitation

29 HOSPITAL PLAZA, STE 495
STAMFORD, CT 06902

Western Connecticut Planning Region (203) 316-0610

DR. SHAHZAD ZAFAR M.D.

Colon & Rectal Surgery

29 HOSPITAL PLAZA, SUITE 604
STAMFORD, CT 06902

Western Connecticut Planning Region (203) 323-8989

EVANGELOS DEMETRIOS XISTRIS M.D.

Psychiatry & Neurology (Neurology)

29 HOSPITAL PLAZA, SUITE 602
STAMFORD, CT 06902

Western Connecticut Planning Region (203) 276-4464

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 William Symons's NPI number?

The NPI number for William Symons is 1063618395. It was assigned to this individual provider in the NPPES registry on June 24, 2007.

Where is William Symons located?

William Symons practices at 29 Hospital Plaza Suite 603, Stamford, CT 06902. The listed phone number is (203) 276-5959.

What is William Symons's specialty?

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

Is William Symons enrolled in Medicare?

Yes. William Symons 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 organization bills Medicare for William Symons's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Symons reassigns Medicare benefits to Stamford Health Medical Group Inc (Stamford, CT). The 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 William Symons's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Symons accept?

Health plans from Anthem Blue Cross and Blue Shield list William Symons 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 William Symons was last updated on January 13, 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.