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MATTHEW K. GRISWOLD M.D.
NPI 1811250194
Emergency Medicine in Hartford, CT

Active since June 21, 2012PECOS EnrolledAccepts Medicare Assignment
86.41/100
CMS Quality Rating
80 SEYMOUR STREET, HARTFORD HOSPITAL ER DEPT, HARTFORD, CT 06102(860) 972-0000 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Feb 25, 2016 (3 updates tracked since 2016).

About Matthew K. Griswold M.d. NPPES

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

MATTHEW K. GRISWOLD M.D. (NPI 1811250194) is an individual emergency medicine provider in Hartford, Connecticut, licensed in Connecticut (056391) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS, maintains a secondary practice location in Worcester, and is a graduate of Boston University School Of Medicine (2012).

NPPES Registry Identity

NPI1811250194
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameMATTHEW K. GRISWOLDCredential: M.D.
Location Address80 SEYMOUR STREET, HARTFORD HOSPITAL ER DEPTHartford, CT 06102-5037
Mailing Address80 Seymour Street, Hartford Hospital Er DeptHartford, CT 06102-5037 · (860) 972-0000
Phone(860) 972-0000
Sole ProprietorNo
Medical School CMSBoston University School Of MedicineGraduated 2012
Enumeration DateJune 21, 2012
Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration
✔ NPI 1811250194 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in CT · 056391✔ Licensed in MA · 261757
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
80 SEYMOUR STREET, Hartford, CT 06102
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Secondary Practice Location 1

Location 155 Lake Ave N, Department of Emergency MedicineWorcester, MA 01655-0002 · Phone (508) 421-1400 · Fax (508) 421-1490

Other Identifiers 2

Medicaid110102574AMA
MedicaidPENDINGCT

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

Matthew K. Griswold 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 ID1850523168
PECOS Enrollment IDI20171017001785
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 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
204 services196 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
41 services40 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
21 services21 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.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06102 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
$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.

86.41/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality81.99
Promoting Interoperability100
Improvement Activities40
Cost43.03

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.

JENNY ANN RICE PA-C
Physician Assistant (Surgical)
80 SEYMOUR STREET, HARTFORD HOSPITAL SURGERY DEPT
HARTFORD, CT 06102
Capitol Planning Region (860) 972-4670
MARY R NOON RD
Dietitian, Registered
80 SEYMOUR STREET, HARTFORD HOSPITAL FOOD & NUTRITION SERVICES
HARTFORD, CT 06102
Capitol Planning Region (860) 545-2604
DR. JASON ZAKKO M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
80 SEYMOUR STREET, CARDIAC SURGERY
HARTFORD, CT 06102
Capitol Planning Region (860) 696-5520
DR. ALFRED HERZOG M.D.
Psychiatry & Neurology (Psychiatry)
80 SEYMOUR STREET, HARTFORD HOSPITAL
HARTFORD, CT 06102
Capitol Planning Region (860) 545-3501
NATALIA P. BUKSA PA-C
Physician Assistant (Medical)
80 SEYMOUR STREET, HARTFORD HOSPITAL MEDICINE DEPT
HARTFORD, CT 06102
Capitol Planning Region (860) 545-5176
KATIE ANN COPPOLA PA
Physician Assistant (Medical)
80 SEYMOUR STREET, HARTFORD HOSPITAL EMERGENCY MEDICINE
HARTFORD, CT 06102
Capitol Planning Region (860) 972-0000
AVA DALANI GORNEAULT
Student in an Organized Health Care Education/Training Program
80 SEYMOUR STREET
HARTFORD, CT 06102
Capitol Planning Region (860) 972-2700
JEFFREY A CANTIN PA-C
Physician Assistant
80 SEYMOUR STREET, HARTFORD HOSPITAL SURGERY DEPT
HARTFORD, CT 06102
Capitol Planning Region (860) 545-2840

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 Matthew Griswold's NPI number?

The NPI number for Matthew Griswold is 1811250194. It was assigned to this individual provider in the NPPES registry on June 21, 2012.

Where is Matthew Griswold located?

Matthew Griswold practices at 80 Seymour Street Hartford Hospital ER Dept, Hartford, CT 06102. The listed phone number is (860) 972-0000.

What is Matthew Griswold's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Matthew Griswold enrolled in Medicare?

Yes. Matthew Griswold 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 Matthew Griswold was last updated on July 21, 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.