Dr. Thomas M. Whelan, MD
- Medicare services, 2020
- 316
- Part D claims, 2024
- 2,551
- Hospital affiliations
- 1
- Industry payments
- $4,295
- Medical groups
- 2
- Practice address
- 267 Grant Street, Bridgeport, CT 06610
- Practice phone
- Call (203) 384-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Whelan's professional email, personal email and mobile number
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Dr. Thomas M. Whelan is a family medicine physician in Bridgeport, Connecticut
Dr. Whelan practices at Bridgeport Hospital in Bridgeport, Connecticut, part of Yale New Haven Health System.
Dr. Whelan's NPI, 1972543692, was assigned on June 8, 2006. Dr. Whelan holds Connecticut license 57225.
- NPI
- 1972543692NPI Registry (opens in a new tab)
- NPI enumeration date
- June 8, 2006
- NPI status
- Active
- Practice phone
- (203) 384-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Thomas M. Whelan practices at Bridgeport Hospital in Bridgeport, Connecticut
Dr. Whelan's primary practice is Bridgeport Hospital, at 267 Grant Street, Bridgeport, CT 06610 in Fairfield County. The practice phone is (203) 384-3000.
- Bridgeport Hospital267 Grant Street, Bridgeport, CT 06610 · Fairfield CountyPhone(203) 384-3000
Source: Dmand AI Affiliation Data
Dr. Thomas M. Whelan is affiliated with 2 sites of care and 2 medical groups
Dr. Whelan's primary practice is Bridgeport Hospital in Bridgeport, Connecticut, part of Yale New Haven Health System. The medical group on file is Premier Imaging. Dmand AI also links Dr. Whelan to 1 more group practice or clinic and 1 medical group, 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. Thomas M. Whelan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Whelan practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Bridgeport Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas M. Whelan is one of 829 family medicine physicians in Connecticut
Family medicine is Dr. Whelan's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Whelan is licensed in Connecticut.
Specialties and state licenses
- Family medicine, ConnecticutPrimary
Family medicine physicians near Dr. Whelan
Counts of family medicine physicians 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. Thomas M. Whelan billed Medicare for 316 services in 2020
CMS data shows 316 Medicare services from Dr. Whelan across 6 procedure codes in 2020. Medicare paid $20,760 for them. Every service was in an office.
Dr. Whelan's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 5342020: 25053%
- Other services
- 2019: 1592020: 5565%
- Tests and treatments
- 2019: 712020: 1185%
- Lab and pathology
- 2019: 212020: 0100%
Dr. Whelan compared with the Connecticut median for family medicine physicians, 2020
- Dr. Whelan
- Connecticut median
- Medicare services
- 316vs 35711% below
- Part D claims
- 2,043vs 9782.1 times
Medians across 818 family medicine physicians in Connecticut with Dmand AI profiles that report each measure.
Dr. Whelan's most billed Medicare procedure codes, 2020
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. Whelan and other family medicine physicians in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas M. Whelan's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Dr. Whelan's median patient age at 59, with 45% women.
Dr. Whelan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women45%
- Men52%
Source: Dmand AI Patient Panel Data
Dr. Thomas M. Whelan wrote 2,551 Medicare Part D claims in 2024
In 2024, Dr. Whelan wrote 2,551 Medicare Part D claims for 426 patients. 90% of them were for generic drugs. CMS names the drug for 2,043 of them, across 55 drugs with 11 or more claims each, at $109,533 in total drug cost. In 2023, CMS named 1,778 claims across 51 drugs.
Dr. Whelan's Part D claims by kind of drug, 2024
- Generic2,305 claims90%
- Brand-name and other246 claims10%
Dr. Whelan's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Whelan's Part D claims, 2024
- Opioids1%32 of 2,551 claims
- Antibiotics6%165 of 2,551 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,7782024: 2,04315%
Drugs named by CMS: 55 in 2024, 51 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Thomas M. Whelan received $4,295 in industry payments from 2018 to 2025
CMS Open Payments shows 234 general payments to Dr. Whelan from 32 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $744.
General payments to Dr. Whelan by program year, 2018 to 2025
General payments to Dr. Whelan by kind, 2018 to 2025
- Food and beverage$4,293100%
- Education$20%
Companies that paid Dr. Whelan the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Thomas M. Whelan'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Thomas M. Whelan
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. Thomas M. Whelan's NPI number?
Dr. Thomas M. Whelan's NPI number is 1972543692. It was assigned on June 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas M. Whelan?
Dr. Thomas M. Whelan is a family medicine physician in Bridgeport, Connecticut. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Thomas M. Whelan practice?
Dr. Whelan practices at 267 Grant Street, Bridgeport, CT 06610. Dr. Whelan's primary practice is Bridgeport Hospital in Bridgeport, Connecticut, part of Yale New Haven Health System. Dmand AI also links Dr. Whelan to 1 group practice or clinic and 1 medical group.
What is Dr. Thomas M. Whelan's office phone number?
The practice phone on file for Dr. Whelan is (203) 384-3000.
What is Dr. Thomas M. Whelan's medical license number?
Dr. Whelan holds Connecticut license 57225.
Which hospitals is Dr. Thomas M. Whelan affiliated with?
Dr. Whelan practices at Bridgeport Hospital in Bridgeport, Connecticut.
What medical group is Dr. Thomas M. Whelan part of?
Dr. Whelan is linked to Premier Imaging. Dmand AI links Dr. Whelan to 1 more medical group.
Does Dr. Thomas M. Whelan accept Medicare?
Yes. CMS data shows Dr. Whelan billed Medicare for 316 services in 2020.
What services does Dr. Thomas M. Whelan bill to Medicare?
In 2020, Dr. Whelan's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and care management and other visits (99443).
What drugs does Dr. Thomas M. Whelan prescribe most?
In 2024 Medicare Part D data, Dr. Whelan's most prescribed drugs by claims were Atorvastatin Calcium, Celecoxib and Hydrochlorothiazide.
Has Dr. Thomas M. Whelan received payments from drug or device companies?
CMS Open Payments shows $4,295 in general payments to Dr. Whelan from 32 companies from 2018 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Thomas M. Whelan been practicing?
Dr. Whelan's NPI was assigned in 2006.
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