ConnexinsExome SequencingMutation, Missense
Dr. Allen Chen, MD
NPI1487018099
- Part D claims, 2024
- 882
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $812
- Medical groups
- 2
- Practice address
- 1250 16th St, Santa Monica, CA 90404
- Practice phone
- Call (424) 259-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UCLA Health-Santa Monica 12th St
Santa Monica, California
Find Dr. Chen'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.
Dr. Allen Chen is a psychiatrist in Santa Monica, California
Dr. Chen practices at UCLA Health-Santa Monica 12th St in Santa Monica, California.
Dr. Chen's NPI, 1487018099, was assigned on April 9, 2016. Dr. Chen graduated from New York University School of Medicine in 2016. Dr. Chen's California license number on file is A153348.
NPI and contact details
- NPI
- 1487018099NPI Registry (opens in a new tab)
- NPI enumeration date
- April 9, 2016
- NPI status
- Active
- Practice phone
- (424) 259-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Allen Chen practices at UCLA Health-Santa Monica 12th St in Santa Monica, California
Dr. Chen's primary practice is UCLA Health-Santa Monica 12th St, at 1250 16th St, Santa Monica, CA 90404 in Los Angeles County. The practice phone is (424) 259-7000.
- UCLA Health-Santa Monica 12th St1250 16th St, Santa Monica, CA 90404 · Los Angeles CountyPhone(424) 259-7000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Allen Chen is affiliated with 2 sites of care and 2 medical groups
Dr. Chen's primary practice is UCLA Health-Santa Monica 12th St in Santa Monica, California. Dr. Chen is also affiliated with UCLA Santa Monica Medical Center. The medical group on file is UCLA Orthopaedic Surgery. Dmand AI also links Dr. Chen to 1 more medical group, named with a free account.
UCLA Health-Santa Monica 12th StPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Allen Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCLA Health-Santa Monica 12th St | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Chen practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Allen Chen is one of 6,803 psychiatrists in California
Psychiatry is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Chen is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Chen's licenses on file in 5 states: California, Florida, Missouri, Virginia and Georgia.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
- Florida license
- Missouri license
- Virginia license
- Georgia license
Psychiatrists near Dr. Chen
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. Allen Chen's patients have a median age of 31
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 31, with 83% women.
Dr. Chen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 31
Patient panel by sex, all payers
- Women83%
- Men17%
Source: Dmand AI Patient Panel Data
Dr. Allen Chen wrote 882 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 882 Medicare Part D claims for 92 patients. 89% of them were for generic drugs. CMS names the drug for 676 of them, across 23 drugs with 11 or more claims each, at $143,441 in total drug cost. In 2023, CMS named 993 claims across 35 drugs.
Part D claims, 2024882
Drugs named by CMS23
Total drug cost$143,441
Part D patients92
Dr. Chen's Part D claims by kind of drug, 2024
- Generic787 claims89%
- Brand-name95 claims11%
Dr. Chen'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. Chen's Part D claims, 2024
- Antipsychotics, patients 65 and over10%86 of 882 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: 9932024: 67632%
Drugs named by CMS: 23 in 2024, 35 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
For MedTech and pharma teams
Find psychiatrists like Dr. Chen by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Allen Chen has 1 publication on record
Dmand AI links 1 paper to Dr. Chen. Dr. Chen's most frequent co-authors are Stephen R. Braddock, MD, Vijay S. Ganesh, MD, PhD and David J. Harris, MD.
Papers1
Dr. Chen's most frequent co-authors
- Stephen R. Braddock, MD1 shared paper
- Vijay S. Ganesh, MD, PhD1 shared paper
- David J. Harris, MD1 shared paper
Recent publications by Dr. Chen
See who Dr. Chen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chen 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. Allen Chen received $812 in industry payments from 2019 to 2025
CMS Open Payments shows 8 general payments to Dr. Chen from 4 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 66% of the total. Intuitive Surgical, Inc. paid the most, $275.
General payments to Dr. Chen by program year, 2019 to 2025
General payments to Dr. Chen by kind, 2019 to 2025
$812in total
- Food and beverage$53666%
- Travel and lodging$27534%
Companies that paid Dr. Chen the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Allen Chen graduated from New York University School of Medicine
Dr. Chen graduated from New York University School of Medicine in 2016. Dr. Chen is a member of APA.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Sources for Dr. Allen Chen'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 |
| 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. Allen Chen
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. Allen Chen's NPI number?
Dr. Allen Chen's NPI number is 1487018099. It was assigned on April 9, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Allen Chen?
Dr. Allen Chen is a psychiatrist in Santa Monica, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Allen Chen practice?
Dr. Chen practices at 1250 16th St, Santa Monica, CA 90404. Dr. Chen's primary practice is UCLA Health-Santa Monica 12th St in Santa Monica, California. Dmand AI also links Dr. Chen to 1 medical group.
What is Dr. Allen Chen's office phone number?
The practice phone on file for Dr. Chen is (424) 259-7000.
What is Dr. Allen Chen's medical license number?
Dr. Chen's California license number on file is A153348, one of the licenses on file in 5 states.
Which states has Dr. Allen Chen been licensed in?
Dmand AI has state licenses on file for Dr. Chen in California (2017 to 2025), Florida (since 2023), Missouri (2024 to 2026), Virginia (2024 to 2026) and Georgia (2024 to 2025).
Which hospitals is Dr. Allen Chen affiliated with?
Dr. Chen is affiliated with UCLA Santa Monica Medical Center.
What medical group is Dr. Allen Chen part of?
Dr. Chen is linked to UCLA Orthopaedic Surgery. Dmand AI links Dr. Chen to 1 more medical group.
Is Dr. Allen Chen board certified?
Yes. Dr. Chen is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Where did Dr. Allen Chen go to medical school?
Dr. Chen graduated from New York University School of Medicine in 2016.
Show 5 more questionsShow fewer questions
What drugs does Dr. Allen Chen prescribe most?
In 2024 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Clozapine, Olanzapine and Divalproex Sodium ER.
Has Dr. Allen Chen received payments from drug or device companies?
CMS Open Payments shows $812 in general payments to Dr. Chen from 4 companies from 2019 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Allen Chen been practicing?
Dr. Chen graduated from medical school in 2016, 10 years ago.
Does Dr. Allen Chen do research?
Dmand AI links 1 publication to Dr. Chen.
Who does Dr. Allen Chen publish with?
Dr. Chen's most frequent co-authors are Stephen R. Braddock, MD (1 shared paper), Vijay S. Ganesh, MD, PhD (1 shared paper) and David J. Harris, MD (1 shared paper).
Selling to psychiatry practices?
See psychiatrists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card