John Tremblay
- Part D claims, 2024
- 16
- Industry payments
- $119
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 2
- Practice address
- 3333 Skypark Dr Ste 220 Suite 220, Torrance, CA 90505-5035
- Practice phone
- Call (310) 257-5750
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dr. Daniel Dean Anderson
Behavioral health practice · Torrance, California
Find John Tremblay'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.
John Tremblay is a psychiatrist in Torrance, California
John Tremblay practices at Dr. Daniel Dean Anderson in Torrance, California.
John Tremblay's NPI, 1891834362, was assigned on February 5, 2007. John Tremblay graduated from Keck School of Medicine of USC in 1998. John Tremblay holds California license A70443.
- NPI
- 1891834362NPI Registry (opens in a new tab)
- NPI enumeration date
- February 5, 2007
- NPI status
- Active
- Practice phone
- (310) 257-5750
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Tremblay practices at Dr. Daniel Dean Anderson in Torrance, California
John Tremblay's primary practice is Dr. Daniel Dean Anderson, at 3333 Skypark Dr Ste 220 Suite 220, Torrance, CA 90505-5035. The practice phone is (310) 257-5750.
- Dr. Daniel Dean Anderson3333 Skypark Dr Ste 220 Suite 220, Torrance, CA 90505-5035Phone(310) 257-5750
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Tremblay is affiliated with 1 site of care and 1 medical group
John Tremblay's primary practice is Dr. Daniel Dean Anderson in Torrance, California. Dmand AI also links John Tremblay to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at John Tremblay's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Tremblay practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Daniel Dean Anderson | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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John Tremblay is one of 6,803 psychiatrists in California
Psychiatry is John Tremblay's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. John Tremblay is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has John Tremblay's licenses on file in 2 states: California and New Mexico.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
- New Mexico license
Psychiatrists near John Tremblay
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
John Tremblay's patients have a median age of 18
Across all payers, Dmand AI patient panel data puts John Tremblay's median patient age at 18, with 0% women.
John Tremblay's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 18
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
John Tremblay wrote 16 Medicare Part D claims in 2024
In 2024, John Tremblay wrote 16 Medicare Part D claims. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
John Tremblay received $119 in industry payments from 2023 to 2024
CMS Open Payments shows 2 general payments to John Tremblay from 2 drug and device companies from 2023 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $101.
General payments to John Tremblay by program year, 2023 to 2024
Companies that paid John Tremblay the most, 2023 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
John Tremblay graduated from Keck School of Medicine of USC
John Tremblay graduated from Keck School of Medicine of USC in 1998.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Sources for John Tremblay'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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 John Tremblay
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Tremblay's NPI number?
John Tremblay's NPI number is 1891834362. It was assigned on February 5, 2007, and it is active in the NPI Registry.
What does John Tremblay specialize in?
John Tremblay is a psychiatrist in Torrance, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does John Tremblay practice?
John Tremblay practices at 3333 Skypark Dr Ste 220 Suite 220, Torrance, CA 90505-5035. John Tremblay's primary practice is Dr. Daniel Dean Anderson in Torrance, California. Dmand AI also links John Tremblay to 1 medical group.
What is John Tremblay's office phone number?
The practice phone on file for John Tremblay is (310) 257-5750.
What is John Tremblay's medical license number?
John Tremblay holds California license A70443, one of the licenses on file in 2 states.
Which states has John Tremblay been licensed in?
Dmand AI has state licenses on file for John Tremblay in California (1999 to 2027) and New Mexico (2000 to 2005).
Is John Tremblay board certified?
Yes. John Tremblay is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Where did John Tremblay go to medical school?
John Tremblay graduated from Keck School of Medicine of USC in 1998.
Has John Tremblay received payments from drug or device companies?
CMS Open Payments shows $119 in general payments to John Tremblay from 2 companies from 2023 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has John Tremblay been practicing?
John Tremblay graduated from medical school in 1998, 28 years ago.
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