Dr. Stephen Michael Spear, MD
- Part D claims, 2024
- 409
- Hospital affiliations
- 1
- Industry payments
- $991
- Medical groups
- 2
- State license
- 1
- Practice address
- 56 Franklin Street, Waterbury, CT 06706
- Practice phone
- Call (203) 709-6020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Spear's professional email, personal email and mobile number
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Dr. Stephen Michael Spear is an internist in Waterbury, Connecticut
Dr. Spear practices at Saint Mary's Hospital in Waterbury, Connecticut, part of Trinity Health.
Dr. Spear's NPI, 1518994359, was assigned on June 27, 2006. Dr. Spear graduated from Northwestern University Feinberg Medical School in 1983. Dr. Spear holds Connecticut license 027398.
- NPI
- 1518994359NPI Registry (opens in a new tab)
- NPI enumeration date
- June 27, 2006
- NPI status
- Active
- Practice phone
- (203) 709-6020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Stephen Michael Spear practices at Saint Mary's Hospital in Waterbury, Connecticut
Dr. Spear's primary practice is Saint Mary's Hospital, at 56 Franklin Street, Waterbury, CT 06706 in New Haven County. The practice phone is (203) 709-6020.
- Saint Mary's Hospital56 Franklin Street, Waterbury, CT 06706 · New Haven CountyPhone(203) 709-6020
Source: Dmand AI Affiliation Data
Dr. Stephen Michael Spear is affiliated with 4 sites of care and 2 medical groups
Dr. Spear's primary practice is Saint Mary's Hospital in Waterbury, Connecticut, part of Trinity Health. The medical group on file is StayWell Health Center. Dmand AI also links Dr. Spear to 1 more community health center, 1 group practice or clinic, 1 hospital outpatient department 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. Stephen Michael Spear's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Spear practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Saint Mary's Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Trinity Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Stephen Michael Spear is one of 2,189 internists in Connecticut
Internal medicine is Dr. Spear's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Spear is licensed in Connecticut.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
Internists near Dr. Spear
Counts of internists 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. Stephen Michael Spear's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Dr. Spear's median patient age at 66, with 36% women.
Dr. Spear's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women36%
- Men62%
Source: Dmand AI Patient Panel Data
Dr. Stephen Michael Spear wrote 409 Medicare Part D claims in 2024
In 2024, Dr. Spear wrote 409 Medicare Part D claims for 129 patients. 81% of them were for generic drugs. CMS names the drug for 151 of them, across 8 drugs with 11 or more claims each, at $1,288 in total drug cost. In 2023, CMS named 2,601 claims across 62 drugs.
Dr. Spear's Part D claims by kind of drug, 2024
- Generic331 claims81%
- Brand-name and other78 claims19%
Dr. Spear'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,6012024: 15194%
Drugs named by CMS: 8 in 2024, 62 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. Stephen Michael Spear received $991 in industry payments from 2016 to 2023
CMS Open Payments shows 102 general payments to Dr. Spear from 17 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 95% of the total. Pfizer Inc. paid the most, $243.
General payments to Dr. Spear by program year, 2016 to 2023
General payments to Dr. Spear by kind, 2016 to 2023
- Food and beverage$94495%
- Education$283%
- Speaker and faculty fees$182%
Companies that paid Dr. Spear 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. Stephen Michael Spear graduated from Northwestern University Feinberg Medical School
Dr. Spear graduated from Northwestern University Feinberg Medical School in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephen Michael Spear'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 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) |
| 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. Stephen Michael Spear
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. Stephen Michael Spear's NPI number?
Dr. Stephen Michael Spear's NPI number is 1518994359. It was assigned on June 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen Michael Spear?
Dr. Stephen Michael Spear is an internist in Waterbury, Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Stephen Michael Spear practice?
Dr. Spear practices at 56 Franklin Street, Waterbury, CT 06706. Dr. Spear's primary practice is Saint Mary's Hospital in Waterbury, Connecticut, part of Trinity Health. Dmand AI also links Dr. Spear to 1 community health center, 1 group practice or clinic, 1 hospital outpatient department and 1 medical group.
What is Dr. Stephen Michael Spear's office phone number?
The practice phone on file for Dr. Spear is (203) 709-6020.
What is Dr. Stephen Michael Spear's medical license number?
Dr. Spear holds Connecticut license 027398.
Which hospitals is Dr. Stephen Michael Spear affiliated with?
Dr. Spear practices at Saint Mary's Hospital in Waterbury, Connecticut.
What medical group is Dr. Stephen Michael Spear part of?
Dr. Spear is linked to StayWell Health Center. Dmand AI links Dr. Spear to 1 more medical group.
Where did Dr. Stephen Michael Spear go to medical school?
Dr. Spear graduated from Northwestern University Feinberg Medical School in 1983.
What drugs does Dr. Stephen Michael Spear prescribe most?
In 2024 Medicare Part D data, Dr. Spear's most prescribed drugs by claims were Atorvastatin Calcium, Albuterol Sulfate Hfa and Amlodipine Besylate.
Has Dr. Stephen Michael Spear received payments from drug or device companies?
CMS Open Payments shows $991 in general payments to Dr. Spear from 17 companies from 2016 to 2023. The largest total came from Pfizer Inc.
How long has Dr. Stephen Michael Spear been practicing?
Dr. Spear graduated from medical school in 1983, 43 years ago.
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