Dr. Shea C. Gregg, MD
- Medicare services, 2023
- 13
- Medicare patients, 2024
- 16
- MIPS score, 2024
- 94
- Hospital affiliations
- 1
- Industry payments
- $765
- Practice address
- 2800 Main St, Bridgeport, CT 06606
- Practice phone
- Call (203) 576-5551
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gregg's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Shea C. Gregg is a general surgeon in Bridgeport, Connecticut
Dr. Gregg practices at St. Vincent's Medical Center in Bridgeport, Connecticut, part of Hartford HealthCare.
Dr. Gregg's NPI, 1255535670, was assigned on June 11, 2007. Dr. Gregg graduated from Geisel School of Medicine at Dartmouth in 2002. Dr. Gregg holds Rhode Island license MD12692.
- NPI
- 1255535670NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820156920
- NPI enumeration date
- June 11, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 576-5551
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Shea C. Gregg practices at St. Vincent's Medical Center in Bridgeport, Connecticut
Dr. Gregg's primary practice is St. Vincent's Medical Center, at 2800 Main St, Bridgeport, CT 06606 in Fairfield County. The practice phone is (203) 576-5551.
- St. Vincent's Medical Center2800 Main St, Bridgeport, CT 06606 · Fairfield CountyPhone(203) 576-5551
Source: Dmand AI Affiliation Data
Dr. Shea C. Gregg is affiliated with 1 site of care and 4 medical groups
Dr. Gregg's primary practice is St. Vincent's Medical Center in Bridgeport, Connecticut, part of Hartford HealthCare. The medical group on file is Hartford HealthCare Medical Group Specialists. Dmand AI also links Dr. Gregg to 3 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Shea C. Gregg's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gregg practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Vincent's Medical Center | Available with a free account |
| +3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Shea C. Gregg is one of 303 general surgeons in Connecticut
Surgery is Dr. Gregg's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Gregg is licensed in Rhode Island.
Specialties and state licenses
- Surgery, Rhode IslandPrimary
General surgeons near Dr. Gregg
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Shea C. Gregg billed Medicare for 13 services in 2023
CMS data shows 13 Medicare services from Dr. Gregg across 1 procedure code in 2023, for 16 Medicare patients. Medicare paid $538 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gregg's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 402023: 1368%
Dr. Gregg compared with the Connecticut median for general surgeons, 2023
- Dr. Gregg
- Connecticut median
- Medicare services
- 13vs 10988% below
- Medicare patients
- 16vs 9583% below
Medians across 295 general surgeons in Connecticut with Dmand AI profiles that report each measure.
Dr. Gregg's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gregg and other general surgeons in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Shea C. Gregg treated 16 Medicare patients in 2024, average age 74
CMS counts 16 Medicare patients who saw Dr. Gregg in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 3.93, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Gregg's median patient age at 61, with 36% women.
Chronic conditions among Dr. Gregg's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gregg's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women36%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Shea C. Gregg scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Gregg for performance year 2024, reported as part of a group. Dr. Gregg accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Gregg's MIPS scores, performance year 2024
- 94of 100Final score
- 83.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 67of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Shea C. Gregg received $765 in industry payments from 2016 to 2023
CMS Open Payments shows 5 general payments to Dr. Gregg from 2 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 97% of the total. Intuitive Surgical, Inc. paid the most, $680.
General payments to Dr. Gregg by program year, 2016 to 2023
General payments to Dr. Gregg by kind, 2016 to 2023
- Food and beverage$74297%
- Education$233%
Companies that paid Dr. Gregg the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Shea C. Gregg graduated from Geisel School of Medicine at Dartmouth
Dr. Gregg graduated from Geisel School of Medicine at Dartmouth in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Shea C. Gregg's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Shea C. Gregg
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Shea C. Gregg's NPI number?
Dr. Shea C. Gregg's NPI number is 1255535670. It was assigned on June 11, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Shea C. Gregg?
Dr. Shea C. Gregg is a general surgeon in Bridgeport, Connecticut. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Shea C. Gregg practice?
Dr. Gregg practices at 2800 Main St, Bridgeport, CT 06606. Dr. Gregg's primary practice is St. Vincent's Medical Center in Bridgeport, Connecticut, part of Hartford HealthCare. Dmand AI also links Dr. Gregg to 3 medical groups.
What is Dr. Shea C. Gregg's office phone number?
The practice phone on file for Dr. Gregg is (203) 576-5551.
What is Dr. Shea C. Gregg's medical license number?
Dr. Gregg holds Rhode Island license MD12692.
Which hospitals is Dr. Shea C. Gregg affiliated with?
Dr. Gregg practices at St. Vincent's Medical Center in Bridgeport, Connecticut.
What medical group is Dr. Shea C. Gregg part of?
Dr. Gregg is linked to Hartford HealthCare Medical Group Specialists. Dmand AI links Dr. Gregg to 3 more medical groups.
Does Dr. Shea C. Gregg accept Medicare?
Yes. CMS data shows Dr. Gregg billed Medicare for 13 services in 2023, and Dr. Gregg accepts Medicare assignment.
What is Dr. Shea C. Gregg's MIPS score?
Dr. Gregg's MIPS final score for performance year 2024 is 94 out of 100, reported as part of a group.
How many Medicare patients does Dr. Shea C. Gregg see?
CMS counts 16 Medicare patients who saw Dr. Gregg in 2024, with an average age of 74.
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What services does Dr. Shea C. Gregg bill to Medicare?
In 2023, Dr. Gregg's most billed Medicare services were hospital inpatient care (99231).
Where did Dr. Shea C. Gregg go to medical school?
Dr. Gregg graduated from Geisel School of Medicine at Dartmouth in 2002.
Has Dr. Shea C. Gregg received payments from drug or device companies?
CMS Open Payments shows $765 in general payments to Dr. Gregg from 2 companies from 2016 to 2023. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Shea C. Gregg been practicing?
Dr. Gregg graduated from medical school in 2002, 24 years ago.
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