Dr. Justin C. Key, MD
- Medicare services, 2024
- 691
- Medicare patients, 2024
- 29
- Part D claims, 2024
- 673
- Publications
- 1
- Affiliated sites
- 1
- Practice address
- 3800 Kilroy Airport Way, Long Beach, CA 90806
- Practice phone
- Call (424) 277-2899
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Regeneration Psychiatry
Long Beach, California
Find Dr. Key'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. Justin C. Key is a psychiatrist in Long Beach, California
Dr. Key practices at Regeneration Psychiatry in Long Beach, California.
Dr. Key's NPI, 1093246647, was assigned on March 24, 2017. Dr. Key graduated from Icahn School Of Medicine At Mount Sinai in 2017. Dr. Key holds California license A161051.
- NPI
- 1093246647NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244560480
- NPI enumeration date
- March 24, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (424) 277-2899
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Justin C. Key practices at Regeneration Psychiatry in Long Beach, California
Dr. Key's primary practice is Regeneration Psychiatry, at 3800 Kilroy Airport Way, Long Beach, CA 90806 in Los Angeles County. The practice phone is (424) 277-2899.
- Regeneration Psychiatry3800 Kilroy Airport Way, Long Beach, CA 90806 · Los Angeles CountyPhone(424) 277-2899
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Justin C. Key is affiliated with 2 sites of care and 1 medical group
Dr. Key's primary practice is Regeneration Psychiatry in Long Beach, California. The medical group on file is Regeneration Psychiatry. Dmand AI also links Dr. Key to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Justin C. Key's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Key practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Regeneration Psychiatry | 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. Justin C. Key is one of 6,803 psychiatrists in California
Psychiatry is Dr. Key's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Key is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dr. Key is licensed in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Clinical focus
Dmand AI lists ADHD, alcohol use disorders, anxiety, bipolar disorder, depression, insomnia and schizophrenia among the conditions Dr. Key treats.
Psychiatrists near Dr. Key
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. Justin C. Key billed Medicare for 691 services in 2024
CMS data shows 691 Medicare services from Dr. Key across 3 procedure codes in 2024, for 29 Medicare patients. Medicare paid $39,609 for them. Every service was in an office.
Dr. Key's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3452024: 23931%
- Other services
- 2023: 02024: 229
- Tests and treatments
- 2023: 2972024: 22325%
Dr. Key compared with the California median for psychiatrists, 2024
- Dr. Key
- California median
- Medicare services
- 691vs 1195.8 times
- Medicare patients
- 29vs 4129% below
- Part D claims
- 563vs 1443.9 times
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Key's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Key?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Key and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Justin C. Key treated 29 Medicare patients in 2024, average age 68
CMS counts 29 Medicare patients who saw Dr. Key in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.44, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Key's median patient age at 71, with 54% women.
Dr. Key's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Key's Medicare patients by sex, 2024
- Women1448%
- Men1552%
Chronic conditions among Dr. Key's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Mood disorders75%
- Anxiety69%
- Depression69%
Share of Medicare patients with each condition. A patient can have several.
Dr. Key's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women54%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Justin C. Key wrote 673 Medicare Part D claims in 2024
In 2024, Dr. Key wrote 673 Medicare Part D claims for 50 patients. 95% of them were for generic drugs. CMS names the drug for 563 of them, across 23 drugs with 11 or more claims each, at $11,656 in total drug cost. In 2023, CMS named 504 claims across 18 drugs.
Dr. Key's Part D claims by kind of drug, 2024
- Generic642 claims95%
- Brand-name31 claims5%
Dr. Key'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. Key's Part D claims, 2024
- Antipsychotics, patients 65 and over13%89 of 673 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: 5042024: 56312%
Drugs named by CMS: 23 in 2024, 18 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
Dr. Justin C. Key offers telehealth to Medicare patients
Dr. Key accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Key as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Justin C. Key has 1 publication on record
Dmand AI links 1 paper to Dr. Key in 2020. Dr. Key's most frequent co-authors are Sonya Shadravan and Dustin B. Stephens, MD, PhD.
Dr. Key's most frequent co-authors
Recent publications by Dr. Key
See who Dr. Key researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Key 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. Justin C. Key graduated from Icahn School Of Medicine At Mount Sinai
Dr. Key graduated from Icahn School Of Medicine At Mount Sinai in 2017.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. Justin C. Key accepts plans from 7 insurance carriers
Dr. Key is in network with 7 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Humana
- Blue Cross Blue Shield of Massachusetts
- HCSC
- CMS Medicare
Plan types Dr. Key accepts, by number of carriers
- Medicare7
- PPO6
- HMO4
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Justin C. Key'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 Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Justin C. Key
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. Justin C. Key's NPI number?
Dr. Justin C. Key's NPI number is 1093246647. It was assigned on March 24, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Justin C. Key?
Dr. Justin C. Key is a psychiatrist in Long Beach, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Justin C. Key practice?
Dr. Key practices at 3800 Kilroy Airport Way, Long Beach, CA 90806. Dr. Key's primary practice is Regeneration Psychiatry in Long Beach, California. Dmand AI also links Dr. Key to 1 group practice or clinic.
What is Dr. Justin C. Key's office phone number?
The practice phone on file for Dr. Key is (424) 277-2899.
What is Dr. Justin C. Key's medical license number?
Dr. Key holds California license A161051.
What medical group is Dr. Justin C. Key part of?
Dr. Key is linked to Regeneration Psychiatry.
Does Dr. Justin C. Key accept Medicare?
Yes. CMS data shows Dr. Key billed Medicare for 691 services in 2024, and Dr. Key accepts Medicare assignment.
Does Dr. Justin C. Key offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Key as offering telehealth services.
How many Medicare patients does Dr. Justin C. Key see?
CMS counts 29 Medicare patients who saw Dr. Key in 2024, with an average age of 68.
Is Dr. Justin C. Key board certified?
Yes. Dr. Key is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Show 7 more questionsShow fewer questions
What services does Dr. Justin C. Key bill to Medicare?
In 2024, Dr. Key's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and psychiatric service (90833).
Where did Dr. Justin C. Key go to medical school?
Dr. Key graduated from Icahn School Of Medicine At Mount Sinai in 2017.
What drugs does Dr. Justin C. Key prescribe most?
In 2024 Medicare Part D data, Dr. Key's most prescribed drugs by claims were Aripiprazole, Gabapentin and Duloxetine HCl.
How long has Dr. Justin C. Key been practicing?
Dr. Key graduated from medical school in 2017, 9 years ago.
Does Dr. Justin C. Key do research?
Dmand AI links 1 publication to Dr. Key.
Who does Dr. Justin C. Key publish with?
Dr. Key's most frequent co-authors are Sonya Shadravan (1 shared paper) and Dustin B. Stephens, MD, PhD (1 shared paper).
What insurance does Dr. Justin C. Key accept?
Dr. Key is in network with 7 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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