MR. NICHOLAS JOHN SHEA MD, MS
NPI 1790149086
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Stamford, CT
About Mr. Nicholas John Shea Md, Ms NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. NICHOLAS JOHN SHEA MD, MS (NPI 1790149086) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Stamford, Connecticut, licensed in Connecticut (79300) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, maintains a secondary practice location in New York, and is a graduate of Columbia University College Of Physicians And Surgeons (2016).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted 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
Mr. Nicholas John Shea Md, Ms 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.
Medicare Billing Reassignments
4Medicare enrollment records show Nicholas Shea reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stamford, CT 06907
- Reassigned Medicare billing, Connecticut enrollment
- 496 clinicians in this Medicare group
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- 3,922 clinicians in this Medicare group
Morristown, NJ 07960
- Reassigned Medicare billing, New Jersey enrollment
- 20 clinicians in this Medicare group
Morristown, NJ 07960
- Reassigned Medicare billing, New Jersey enrollment
- 1,699 clinicians in this Medicare group
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06902 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Nicholas Shea's NPI number?
The NPI number for Nicholas Shea is 1790149086. It was assigned to this individual provider in the NPPES registry on April 12, 2016.
Where is Nicholas Shea located?
Nicholas Shea practices at 1 Hospital Plz Fl 2, Stamford, CT 06902. The listed phone number is (203) 276-4440.
What is Nicholas Shea's specialty?
The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
Is Nicholas Shea enrolled in Medicare?
Yes. Nicholas Shea 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 organizations bill Medicare for Nicholas Shea's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Shea reassigns Medicare benefits to 4 organizations: Stamford Health Medical Group Inc (Stamford, CT), Trustees Of Columbia University In The City Of New York (New York, NY), Mid-Atlantic Surgical Assoc. (Morristown, NJ) and Practice Associates Medical Group (Morristown, NJ). Each 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 Nicholas Shea's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nicholas Shea accept?
Health plans from Anthem Blue Cross and Blue Shield and Oscar Health list Nicholas Shea 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 Nicholas Shea was last updated on February 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.
# Mr. Nicholas John Shea, MD, MS · NPI 1790149086
Thoracic Surgery (Cardiothoracic Vascular Surgery) physician in Stamford, Connecticut. Individual provider, active in the CMS NPPES registry since April 12, 2016.
## Identity
- **NPI:** 1790149086 (Entity type: Individual)
- **Enumerated:** April 12, 2016
- **Primary specialty:** Thoracic Surgery (Cardiothoracic Vascular Surgery) · taxonomy 208G00000X
- **State license:** 79300 (Connecticut)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1 HOSPITAL PLZ FL 2, Stamford, CT 06902-3602
- **Phone:** (203) 276-4440 · **Fax:** (203) 276-4401
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Stamford Health Medical Group Inc (NPI 1154633980, Stamford, CT); Trustees Of Columbia University In The City Of New York (NPI 1508266347, New York, NY); Mid-Atlantic Surgical Assoc. (NPI 1619977741, Morristown, NJ); Practice Associates Medical Group (NPI 1427016385, Morristown, NJ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Columbia University College Of Physicians And Surgeons, class of 2016
## Record status
- **NPPES last updated:** February 11, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1790149086) · Data from the CMS NPPES public registry.