Dr. Zafiris Jeffrey Daskalakis, MD, PhD
- Medicare services, 2024
- 629
- Medicare patients, 2024
- 247
- Part D claims, 2024
- 66
- Publications
- 381
- Clinical trials
- 8
- Practice address
- 200 W Arbor Dr, San Diego, CA 92103
- Practice phone
- Call (619) 543-6222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UCSD Hillcrest Medical Center
San Diego, California
Find Dr. Daskalakis' 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. Zafiris Jeffrey Daskalakis is a psychiatrist in San Diego, California
Dr. Daskalakis practices at UCSD Hillcrest Medical Center in San Diego, California.
Dr. Daskalakis' NPI, 1114516945, was assigned on January 15, 2021. Dr. Daskalakis graduated from Queen's University at Kingston in 1994. Dr. Daskalakis holds California license C171261.
- NPI
- 1114516945NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2466869292
- NPI enumeration date
- January 15, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (619) 543-6222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Zafiris Jeffrey Daskalakis practices at UCSD Hillcrest Medical Center in San Diego, California
Dr. Daskalakis' primary practice is UCSD Hillcrest Medical Center, at 200 W Arbor Dr, San Diego, CA 92103 in San Diego County. The practice phone is (619) 543-6222.
- UCSD Hillcrest Medical Center200 W Arbor Dr, San Diego, CA 92103 · San Diego CountyPhone(619) 543-6222
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Zafiris Jeffrey Daskalakis is affiliated with 2 sites of care and 1 medical group
Dr. Daskalakis' primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dr. Daskalakis is also affiliated with Hillcrest Medical Center. The medical group on file is UC San Diego Health.
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. Zafiris Jeffrey Daskalakis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Daskalakis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSD Hillcrest Medical Center | 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. Zafiris Jeffrey Daskalakis is one of 6,803 psychiatrists in California
Psychiatry is Dr. Daskalakis' primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Daskalakis is licensed in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Psychiatrists near Dr. Daskalakis
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. Zafiris Jeffrey Daskalakis billed Medicare for 629 services in 2024
CMS data shows 629 Medicare services from Dr. Daskalakis across 8 procedure codes in 2024, for 247 Medicare patients. Medicare paid $51,286 for them.
Dr. Daskalakis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1332024: 288117%
- Tests and treatments
- 2023: 1422024: 24573%
- Other services
- 2023: 02024: 96
Where Dr. Daskalakis' Medicare services took place, 2024
- In an office31650%
- In a facility31350%
Dr. Daskalakis compared with the California median for psychiatrists, 2024
- Dr. Daskalakis
- California median
- Medicare services
- 629vs 1195.3 times
- Medicare patients
- 247vs 416.0 times
- Part D claims
- 25vs 14483% below
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Daskalakis' 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. Daskalakis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Daskalakis and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Zafiris Jeffrey Daskalakis treated 247 Medicare patients in 2024, average age 66
CMS counts 247 Medicare patients who saw Dr. Daskalakis in 2024. The largest group is 65 to 74, with 117 patients. 75% of them have anxiety, and 75% have depression. 55% are also on Medicaid. Their average risk score is 2.11, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Daskalakis' median patient age at 47, with 56% women.
Dr. Daskalakis' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Daskalakis' Medicare patients by sex, 2024
- Women13956%
- Men10844%
Chronic conditions among Dr. Daskalakis' Medicare patients, 2024
- Anxiety75%
- Depression75%
- Mood disorders75%
- High blood pressure71%
- High cholesterol68%
- Arthritis49%
- Bipolar disorder49%
- Schizophrenia and other psychoses45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Daskalakis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women56%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Zafiris Jeffrey Daskalakis wrote 66 Medicare Part D claims in 2024
In 2024, Dr. Daskalakis wrote 66 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 $522 in total drug cost.
Dr. Daskalakis' 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.
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. Zafiris Jeffrey Daskalakis scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Daskalakis for performance year 2024, reported as part of a group. Dr. Daskalakis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Daskalakis as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Daskalakis' MIPS scores, performance year 2024
- 91of 100Final score
- 84.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Zafiris Jeffrey Daskalakis has 381 publications on record
Dmand AI links 381 papers to Dr. Daskalakis, published from 2010 to 2025. 2020 was the busiest year, with 37. The most frequent topics are Transcranial Magnetic Stimulation, Depressive Disorder, Major and Prefrontal Cortex. Dr. Daskalakis has published most often in Brain Stimul. Dr. Daskalakis' most frequent co-authors are Cory R. Weissman, MD, Paul Eugene Croarkin, DO and Sanjeev Kumar, MD.
Dr. Daskalakis' papers by year, 2016 to 2025
Topics Dr. Daskalakis writes about most
- Transcranial Magnetic Stimulation
- Depressive Disorder, Major
- Prefrontal Cortex
- Electroencephalography
- Depression
- Depressive Disorder, Treatment-Resistant
- Brain
- Neural Inhibition
Dr. Daskalakis' most frequent co-authors
- Cory R. Weissman, MD20 shared papers
- Paul Eugene Croarkin, DO16 shared papers
- Sanjeev Kumar, MD16 shared papers
Recent publications by Dr. Daskalakis
Clin Neurophysiol
BMJ Ment Health
See who Dr. Daskalakis researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Daskalakis 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. Zafiris Jeffrey Daskalakis has worked on 8 clinical trials
Dmand AI links Dr. Daskalakis to 8 clinical trials. Conditions studied include Depressive Disorder, Depressive Disorder, Major and Depression. Centre for Addiction and Mental Health sponsors the most, 5.
Conditions in Dr. Daskalakis' trials
- Depressive Disorder
- Depressive Disorder, Major
- Depression
- Depressive Disorder, Treatment-Resistant
- Maple syrup urine disease, type 2
Investigators on the most trials with Dr. Daskalakis
- Mustafa M. Husain, MD2 shared trials
- Mahendra Takashi Bhati, MD1 shared trial
- Walter J. Duffy, MD1 shared trial
Recent clinical trials with Dr. Daskalakis
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Zafiris Jeffrey Daskalakis received $1,000 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Daskalakis from 1 drug or device company in 2022. Consulting fees make up the largest share, 100% of the total. BrainsWay USA Inc paid the most, $1,000.
Companies that paid Dr. Daskalakis the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Zafiris Jeffrey Daskalakis graduated from Queen's University at Kingston
Dr. Daskalakis graduated from Queen's University at Kingston in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Zafiris Jeffrey Daskalakis accepts plans from 9 insurance carriers
Dr. Daskalakis is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
- CMS Medicare
- +1 more carriersWith a free account
Plan types Dr. Daskalakis accepts, by number of carriers
- Medicare9
- PPO6
- HMO3
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Zafiris Jeffrey Daskalakis'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 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)Clinician Public Reporting: Overall MIPS Performance (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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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 |
| 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. Zafiris Jeffrey Daskalakis
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. Zafiris Jeffrey Daskalakis' NPI number?
Dr. Zafiris Jeffrey Daskalakis' NPI number is 1114516945. It was assigned on January 15, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Zafiris Jeffrey Daskalakis?
Dr. Zafiris Jeffrey Daskalakis is a psychiatrist in San Diego, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Zafiris Jeffrey Daskalakis practice?
Dr. Daskalakis practices at 200 W Arbor Dr, San Diego, CA 92103. Dr. Daskalakis' primary practice is UCSD Hillcrest Medical Center in San Diego, California.
What is Dr. Zafiris Jeffrey Daskalakis' office phone number?
The practice phone on file for Dr. Daskalakis is (619) 543-6222.
What is Dr. Zafiris Jeffrey Daskalakis' medical license number?
Dr. Daskalakis holds California license C171261.
Which hospitals is Dr. Zafiris Jeffrey Daskalakis affiliated with?
Dr. Daskalakis is affiliated with Hillcrest Medical Center.
What medical group is Dr. Zafiris Jeffrey Daskalakis part of?
Dr. Daskalakis is linked to UC San Diego Health.
Does Dr. Zafiris Jeffrey Daskalakis accept Medicare?
Yes. CMS data shows Dr. Daskalakis billed Medicare for 629 services in 2024, and Dr. Daskalakis accepts Medicare assignment.
Does Dr. Zafiris Jeffrey Daskalakis offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Daskalakis as offering telehealth services.
What is Dr. Zafiris Jeffrey Daskalakis' MIPS score?
Dr. Daskalakis' MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
Show 9 more questionsShow fewer questions
How many Medicare patients does Dr. Zafiris Jeffrey Daskalakis see?
CMS counts 247 Medicare patients who saw Dr. Daskalakis in 2024, with an average age of 66.
What services does Dr. Zafiris Jeffrey Daskalakis bill to Medicare?
In 2024, Dr. Daskalakis' most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99214) and medicare service (G2211).
Where did Dr. Zafiris Jeffrey Daskalakis go to medical school?
Dr. Daskalakis graduated from Queen's University at Kingston in 1994.
What drugs does Dr. Zafiris Jeffrey Daskalakis prescribe most?
In 2024 Medicare Part D data, Dr. Daskalakis' most prescribed drugs by claims were Quetiapine Fumarate and Mirtazapine.
Has Dr. Zafiris Jeffrey Daskalakis received payments from drug or device companies?
CMS Open Payments shows $1,000 in general payments to Dr. Daskalakis from 1 company from 2022 to 2022. The largest total came from BrainsWay USA Inc.
How long has Dr. Zafiris Jeffrey Daskalakis been practicing?
Dr. Daskalakis graduated from medical school in 1994, 32 years ago.
Does Dr. Zafiris Jeffrey Daskalakis do research?
Dmand AI links 381 publications to Dr. Daskalakis, published from 2010 to 2025. Dr. Daskalakis has worked on 8 clinical trials.
Who does Dr. Zafiris Jeffrey Daskalakis publish with?
Dr. Daskalakis' most frequent co-authors are Cory R. Weissman, MD (20 shared papers), Paul Eugene Croarkin, DO (16 shared papers) and Sanjeev Kumar, MD (16 shared papers).
What insurance does Dr. Zafiris Jeffrey Daskalakis accept?
Dr. Daskalakis is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
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