Antipsychotic AgentsClozapineSchizophrenia
Dr. Matthew Carriero Johnson, MD
NPI1255835245
- Part D claims, 2024
- 79
- Publications
- 1
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Practice address
- 24 Hospital Ave, Danbury, CT 06810
- Practice phone
- Call (203) 739-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Johnson's professional email, personal email and mobile number
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Dr. Matthew Carriero Johnson is a psychiatrist in Danbury, Connecticut
Dr. Johnson practices at Northwell Danbury Hospital in Danbury, Connecticut, part of Northwell Health.
Dr. Johnson's NPI, 1255835245, was assigned on March 22, 2018. Dr. Johnson graduated from Creighton University School of Medicine in 2018. Dr. Johnson holds Connecticut license 70249.
NPI and contact details
- NPI
- 1255835245NPI Registry (opens in a new tab)
- NPI enumeration date
- March 22, 2018
- NPI status
- Active
- Practice phone
- (203) 739-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Matthew Carriero Johnson practices at Northwell Danbury Hospital in Danbury, Connecticut
Dr. Johnson's primary practice is Northwell Danbury Hospital, at 24 Hospital Ave, Danbury, CT 06810 in Fairfield County. The practice phone is (203) 739-7000.
- Northwell Danbury Hospital24 Hospital Ave, Danbury, CT 06810 · Fairfield CountyPhone(203) 739-7000
Source: Dmand AI Affiliation Data
Dr. Matthew Carriero Johnson is affiliated with 1 site of care and 2 medical groups
Dr. Johnson's primary practice is Northwell Danbury Hospital in Danbury, Connecticut, part of Northwell Health. The medical group on file is Connecticut Children's. Dmand AI also links Dr. Johnson to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Matthew Carriero Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwell Danbury Hospital | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew Carriero Johnson is one of 828 psychiatrists in Connecticut
Psychiatry is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Johnson is licensed in Connecticut.
Specialties and state licenses
- Psychiatry, ConnecticutPrimary
Psychiatrists near Dr. Johnson
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
828psychiatrists in Connecticut44psychiatrists in Danbury16psychiatrists at Northwell Danbury Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Matthew Carriero Johnson's patients have a median age of 15
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 15, with 67% women.
Dr. Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 15
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Dr. Matthew Carriero Johnson wrote 79 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 79 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 25 of them, across 2 drugs with 11 or more claims each, at $1,393 in total drug cost. In 2023, CMS named 24 claims across 1 drug.
Part D claims, 202479
Drugs named by CMS2
Total drug cost$1,393
Dr. Johnson'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: 242024: 254%
Drugs named by CMS: 2 in 2024, 1 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. Matthew Carriero Johnson has 1 publication on record
Dmand AI links 1 paper to Dr. Johnson in 2021. Dr. Johnson's most frequent co-authors are Matthew Lester Baum and Paulo Leonel Lizano, MD, PhD.
Papers1
Dr. Johnson's most frequent co-authors
Recent publications by Dr. Johnson
See who Dr. Johnson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Johnson works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Matthew Carriero Johnson graduated from Creighton University School of Medicine
Dr. Johnson graduated from Creighton University School of Medicine in 2018.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Matthew Carriero Johnson'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Matthew Carriero Johnson
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. Matthew Carriero Johnson's NPI number?
Dr. Matthew Carriero Johnson's NPI number is 1255835245. It was assigned on March 22, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew Carriero Johnson?
Dr. Matthew Carriero Johnson is a psychiatrist in Danbury, Connecticut. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Matthew Carriero Johnson practice?
Dr. Johnson practices at 24 Hospital Ave, Danbury, CT 06810. Dr. Johnson's primary practice is Northwell Danbury Hospital in Danbury, Connecticut, part of Northwell Health. Dmand AI also links Dr. Johnson to 1 medical group.
What is Dr. Matthew Carriero Johnson's office phone number?
The practice phone on file for Dr. Johnson is (203) 739-7000.
What is Dr. Matthew Carriero Johnson's medical license number?
Dr. Johnson holds Connecticut license 70249.
Which hospitals is Dr. Matthew Carriero Johnson affiliated with?
Dr. Johnson practices at Northwell Danbury Hospital in Danbury, Connecticut.
What medical group is Dr. Matthew Carriero Johnson part of?
Dr. Johnson is linked to Connecticut Children's. Dmand AI links Dr. Johnson to 1 more medical group.
Where did Dr. Matthew Carriero Johnson go to medical school?
Dr. Johnson graduated from Creighton University School of Medicine in 2018.
What drugs does Dr. Matthew Carriero Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Divalproex Sodium and Risperidone.
How long has Dr. Matthew Carriero Johnson been practicing?
Dr. Johnson graduated from medical school in 2018, 8 years ago.
Does Dr. Matthew Carriero Johnson do research?
Dmand AI links 1 publication to Dr. Johnson.
Who does Dr. Matthew Carriero Johnson publish with?
Dr. Johnson's most frequent co-authors are Matthew Lester Baum (1 shared paper) and Paulo Leonel Lizano, MD, PhD (1 shared paper).
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