John R Mcardle, MD

Critical Care (Intensivists) · Pulmonary Disease (CMS) · Hartford, CT

Call (860) 547-1876 Directions

At a glance

85 Seymour St, Hartford, CT 06106-5501

NPPES record updated Feb 19, 2012. Public records can lag behind changes at a practice.

Before you call: a quick checklist
  • Are you accepting new patients?
  • Do you accept my specific insurance plan?
  • Do you provide the service I need at this address?
  • Do I need a referral, and what is the earliest appointment?

Insurance participation and appointment availability are not established by these public records.

Medicare & insurance

Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.

How to check your coverage

Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.

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Practice location

85 Seymour St Suite 923
Hartford, CT 06106-5501
REPORTED BACKGROUND

Education & affiliations

Medical / professional school
State University Of New York At Buffalo School Of Medicine
Graduation year
1994
CMS specialties
Critical Care (Intensivists) · Pulmonary Disease

Practice groups

Reported hospital affiliations

Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.

Source: CMS National Downloadable File · Published Oct 15, 2026.

Source: CMS Facility Affiliation Data · Published Oct 15, 2026.

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PUBLISHED MEDICARE ACTIVITY

Procedures in the public data

Reported activity can help you ask more informed questions about a practice’s services.

No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.

CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology

Source: CMS Utilization Data · Published Oct 15, 2026.

Find providers with a similar service mix

Compare 2024 published Medicare activity in the same reported specialty, here or in another city.

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PAYMENT TRANSPARENCY

Industry-reported general payments

$16.87General payments · 2025
1Reported transactions
1Reporting companies

Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.

See payment purposes and reporting companies

Reported purposes

PurposeAmount
Food and beverage$16.87

Reporting companies

CompanyAmount
GLAXOSMITHKLINE, LLC.$16.87
View official Open Payments profile ↗

Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.

Professional details: NPI, taxonomy & registry record
NPI1124001284
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Registry details

Primary taxonomy
Critical Care (Intensivists) · Pulmonary Disease (CMS)
Taxonomy code
207RP1001X
Enumeration date
Nov 22, 2005
Record updated
Feb 19, 2012
More registry details
Provider type
Individual · Type 1
Reported credentials
MD

Reported taxonomies and licenses

Specialty details in registry

207RC0200X

License reported: 035792 CT

Specialty details in registry

207RP1001X · Primary

License reported: 035792 CT

License numbers and credentials are reported to NPPES; HCPList does not independently verify them.

Practice location

85 Seymour St
Suite 923
Hartford, CT 06106-5501
Phone
(860) 547-1876
Fax
(860) 520-1379
Mailing address
2110 SILAS DEANE HWY

ROCKY HILL, CT 060672313
Source: NPPES Source through Oct 18, 2026An NPI does not verify licensure or credentials.

Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.

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