Dr. Steve Theodore Matthews, DO
- Part D claims, 2024
- 247
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2021
- Practice address
- 75 North Country Road, Port Jefferson, NY 11777
- Practice phone
- Call (631) 473-1320
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Matthews' 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. Steve Theodore Matthews is a psychiatrist in Port Jefferson, New York
Dr. Matthews practices at Mather Hospital in Port Jefferson, New York, part of Northwell Health.
Dr. Matthews' NPI, 1457938664, was assigned on March 24, 2021. Dr. Matthews graduated from New York College of Osteo Medicine of New York Institute of Technology in 2021. Dr. Matthews holds New York license 335000.
- NPI
- 1457938664NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264947159
- NPI enumeration date
- March 24, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (631) 473-1320
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Steve Theodore Matthews practices at Mather Hospital in Port Jefferson, New York
Dr. Matthews' primary practice is Mather Hospital, at 75 North Country Road, Port Jefferson, NY 11777 in Suffolk County. The practice phone is (631) 473-1320.
- Mather Hospital75 North Country Road, Port Jefferson, NY 11777 · Suffolk CountyPhone(631) 473-1320
Source: Dmand AI Affiliation Data
Dr. Steve Theodore Matthews is affiliated with 2 sites of care and 1 medical group
Dr. Matthews' primary practice is Mather Hospital in Port Jefferson, New York, part of Northwell Health. The medical group on file is Mather Hospital. Dmand AI also links Dr. Matthews to 1 more skilled nursing facility, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Steve Theodore Matthews' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Matthews practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mather Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Steve Theodore Matthews is one of 4,448 psychiatrists in New York
Psychiatry is Dr. Matthews' primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Matthews is licensed in New York.
Specialties and state licenses
- Psychiatry, New YorkPrimary
Psychiatrists near Dr. Matthews
Counts of psychiatrists 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. Steve Theodore Matthews' patients have a median age of 33
Across all payers, Dmand AI patient panel data puts Dr. Matthews' median patient age at 33, with 65% women.
Dr. Matthews' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 33
Patient panel by sex, all payers
- Women65%
- Men32%
Source: Dmand AI Patient Panel Data
Dr. Steve Theodore Matthews wrote 247 Medicare Part D claims in 2024
In 2024, Dr. Matthews wrote 247 Medicare Part D claims for 25 patients. 100% of them were for generic drugs. CMS names the drug for 133 of them, across 8 drugs with 11 or more claims each, at $4,542 in total drug cost.
Dr. Matthews' Part D claims by kind of drug, 2024
- Generic246 claims100%
- Brand-name and other1 claims0%
Dr. Matthews' 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. Matthews' Part D claims, 2024
- Antipsychotics, patients 65 and over12%30 of 247 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
How Dr. Steve Theodore Matthews takes part in Medicare
Dr. Matthews accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Steve Theodore Matthews graduated from New York College of Osteo Medicine of New York Institute of Technology
Dr. Matthews graduated from New York College of Osteo Medicine of New York Institute of Technology in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Steve Theodore Matthews'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Steve Theodore Matthews
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. Steve Theodore Matthews' NPI number?
Dr. Steve Theodore Matthews' NPI number is 1457938664. It was assigned on March 24, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Steve Theodore Matthews?
Dr. Steve Theodore Matthews is a psychiatrist in Port Jefferson, New York. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Steve Theodore Matthews practice?
Dr. Matthews practices at 75 North Country Road, Port Jefferson, NY 11777. Dr. Matthews' primary practice is Mather Hospital in Port Jefferson, New York, part of Northwell Health. Dmand AI also links Dr. Matthews to 1 skilled nursing facility.
What is Dr. Steve Theodore Matthews' office phone number?
The practice phone on file for Dr. Matthews is (631) 473-1320.
What is Dr. Steve Theodore Matthews' medical license number?
Dr. Matthews holds New York license 335000.
Which hospitals is Dr. Steve Theodore Matthews affiliated with?
Dr. Matthews practices at Mather Hospital in Port Jefferson, New York.
What medical group is Dr. Steve Theodore Matthews part of?
Dr. Matthews is linked to Mather Hospital.
Does Dr. Steve Theodore Matthews accept Medicare?
Yes. CMS lists Dr. Matthews as accepting Medicare assignment.
Where did Dr. Steve Theodore Matthews go to medical school?
Dr. Matthews graduated from New York College of Osteo Medicine of New York Institute of Technology in 2021.
What drugs does Dr. Steve Theodore Matthews prescribe most?
In 2024 Medicare Part D data, Dr. Matthews' most prescribed drugs by claims were Aripiprazole, Divalproex Sodium ER and Venlafaxine HCl ER.
How long has Dr. Steve Theodore Matthews been practicing?
Dr. Matthews graduated from medical school in 2021, 5 years ago.
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