Dr. David Feifel, MD

  • La Jolla, CA
  • Psychiatrist
NPI1053467738PAC ID6305039348
Medicare services, 2024
565
Medicare patients, 2024
60
Part D claims, 2024
28
Publications
130
Clinical trials
14
Practice address
3252 Holiday Ct, La Jolla, CA 92037
Practice phone
Call (858) 838-4204
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Proactive Health Solutions, APC

La Jolla, California

See all 3 affiliations

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Dr. David Feifel is a psychiatrist in La Jolla, California

Dr. Feifel practices at Proactive Health Solutions, APC in La Jolla, California.

Dr. Feifel's NPI, 1053467738, was assigned on January 26, 2007. Dr. Feifel graduated from University of Toronto Faculty of Medicine in 1991. Dr. Feifel holds California license A51236.

NPI and contact details
Medicare PAC ID
6305039348
NPI enumeration date
January 26, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(858) 838-4204
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
61
Medical school graduation
1991

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. David Feifel practices at Proactive Health Solutions, APC in La Jolla, California

Dr. Feifel's primary practice is Proactive Health Solutions, APC, at 3252 Holiday Ct, La Jolla, CA 92037 in San Diego County. The practice phone is (858) 838-4204.

  • Proactive Health Solutions, APC
    3252 Holiday Ct, La Jolla, CA 92037 · San Diego CountyPhone(858) 838-4204

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. David Feifel is affiliated with 2 sites of care and 1 medical group

Dr. Feifel's primary practice is Proactive Health Solutions, APC in La Jolla, California. The medical group on file is Kadima Neuropsychiatry Institute. Dmand AI also links Dr. Feifel to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Feifel

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. David Feifel's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Feifel practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Proactive Health Solutions, APCAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. David Feifel is one of 6,803 psychiatrists in California

Psychiatry is Dr. Feifel's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Feifel is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dr. Feifel is licensed in California.

Specialties and state licenses

  • Psychiatry, CaliforniaPrimaryLicense A51236 · 1992 to 2026 · taxonomy 2084P0800X

Clinical focus

Dmand AI lists depression among the conditions Dr. Feifel treats.

Psychiatrists near Dr. Feifel

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. David Feifel billed Medicare for 565 services in 2024

CMS data shows 565 Medicare services from Dr. Feifel across 5 procedure codes in 2024, for 60 Medicare patients. Medicare paid $119,126 for them. Every service was in an office.

Medicare services, 2024565
Medicare patients60
Paid by Medicare$119,126
Procedure codes5

Dr. Feifel's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 6162024: 46824%
Other services
2023: 722024: 6017%
Office and hospital visits
2023: 542024: 3731%

Dr. Feifel compared with the California median for psychiatrists, 2024

  • Dr. Feifel
  • California median
Medicare services
565vs 1194.7 times
Medicare patients
60vs 4146% above
Part D claims
23vs 14484% below

Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.

Dr. Feifel'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.

See all procedures by Dr. Feifel

Need commercial claims for Dr. Feifel?

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. David Feifel treated 60 Medicare patients in 2024, average age 69

CMS counts 60 Medicare patients who saw Dr. Feifel in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have depression, and 75% have mood disorders. Their average risk score is 1.03, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Feifel's median patient age at 42, with 58% women.

Medicare patients, 202460
Average age69
Average risk score1.03

Dr. Feifel's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Feifel's Medicare patients by sex, 2024

  • Women4168%
  • Men1932%

Chronic conditions among Dr. Feifel's Medicare patients, 2024

  1. Depression75%
  2. Mood disorders75%
  3. Anxiety68%
  4. High cholesterol63%
  5. High blood pressure43%
  6. Arthritis32%
  7. Osteoporosis27%
  8. Cancer18%

Share of Medicare patients with each condition. A patient can have several.

Dr. Feifel's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 42

Patient panel by sex, all payers

  • Women58%
  • Men39%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. David Feifel wrote 28 Medicare Part D claims in 2024

In 2024, Dr. Feifel wrote 28 Medicare Part D claims. CMS names the drug for 23 of them, across 1 drug with 11 or more claims each, at $28,060 in total drug cost. In 2023, CMS named 43 claims across 2 drugs.

Part D claims, 202428
Drugs named by CMS1
Total drug cost$28,060

Dr. Feifel'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: 432024: 2347%

Drugs named by CMS: 1 in 2024, 2 in 2023.

See all prescribing by Dr. Feifel

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. David Feifel offers telehealth to Medicare patients

Dr. Feifel accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Feifel as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. David Feifel has 130 publications on record

Dmand AI links 130 papers to Dr. Feifel, published from 2002 to 2025. 2021 was the busiest year, with 8. The most frequent topics are Reflex, Startle, Antipsychotic Agents and Oxytocin. Dr. Feifel has published most often in J Clin Psychiatry. Dr. Feifel's most frequent co-authors are Kaimana S. MacDonald, MD, Aron Tendler, MD and Joyce Tsai, MD.

Papers130
Years published2002 to 2025

Dr. Feifel's papers by year, 2015 to 2025

Topics Dr. Feifel writes about most

  • Reflex, Startle
  • Antipsychotic Agents
  • Oxytocin
  • Double-Blind Method
  • Schizophrenia
  • Acoustic Stimulation
  • Analysis of Variance
  • Rats, Sprague-Dawley

Dr. Feifel's most frequent co-authors

Recent publications by Dr. Feifel

See all 130 publications and co-authors

See who Dr. Feifel researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Feifel works with, so you can find a warm path to the right psychiatrists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. David Feifel has worked on 14 clinical trials

Dmand AI links Dr. Feifel to 14 clinical trials, 2 of them phase 2 studies. Conditions studied include Schizophrenia, Depressive Disorder and Schizophrenia Spectrum and Other Psychotic Disorders. University of California, San Diego sponsors the most, 4.

Clinical trials with Dr. Feifel by phase

  1. NonePhase 1: no trials
  2. 2Phase 2: 2 trials
  3. 1Phase 3: 1 trial
  4. 1Phase 4: 1 trial

Conditions in Dr. Feifel's trials

  • Schizophrenia
  • Depressive Disorder
  • Schizophrenia Spectrum and Other Psychotic Disorders
  • Bipolar and Related Disorders
  • Depressive Disorder, Major

Investigators on the most trials with Dr. Feifel

Recent clinical trials with Dr. Feifel

See all 14 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. David Feifel received $7,885 in industry payments from 2016 to 2025

CMS Open Payments shows 23 general payments to Dr. Feifel from 4 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 41% of the total. Janssen Pharmaceuticals, Inc paid the most, $3,517.

General payments to Dr. Feifel by program year, 2016 to 2025

General payments to Dr. Feifel by kind, 2016 to 2025

$7.9Kin total
  • Food and beverage$3,26441%
  • Speaker and faculty fees$2,25029%
  • Consulting fees$1,60020%
  • Travel and lodging$77110%

Companies that paid Dr. Feifel the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Feifel

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. David Feifel has 1 award and honors on record

Dmand AI lists 1 award for Dr. Feifel, most recently Regional Top Doctor in 2014.

Awards and honors for Dr. Feifel

  1. 2014
    • Regional Top Doctor

Source: Dmand AI Professional Profile Data

Dr. David Feifel graduated from University of Toronto Faculty of Medicine

Dr. Feifel graduated from University of Toronto Faculty of Medicine in 1991.

  1. Medical schoolUniversity of Toronto Faculty of Medicine
  2. Board certified in psychiatryAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Dr. David Feifel accepts plans from 9 insurance carriers

Dr. Feifel is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Humana
  • Regence Health Plans
  • CMS Medicare
  • +1 more carriersWith a free account

Plan types Dr. Feifel accepts, by number of carriers

  1. Medicare9
  2. PPO7
  3. HMO3
  4. POS3
  5. EPO2

Source: Dmand AI Insurance Network Data

Sources for Dr. David Feifel's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. David Feifel

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. David Feifel's NPI number?

Dr. David Feifel's NPI number is 1053467738. It was assigned on January 26, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. David Feifel?

Dr. David Feifel is a psychiatrist in La Jolla, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).

Where does Dr. David Feifel practice?

Dr. Feifel practices at 3252 Holiday Ct, La Jolla, CA 92037. Dr. Feifel's primary practice is Proactive Health Solutions, APC in La Jolla, California. Dmand AI also links Dr. Feifel to 1 group practice or clinic.

What is Dr. David Feifel's office phone number?

The practice phone on file for Dr. Feifel is (858) 838-4204.

What is Dr. David Feifel's medical license number?

Dr. Feifel holds California license A51236.

What medical group is Dr. David Feifel part of?

Dr. Feifel is linked to Kadima Neuropsychiatry Institute.

Does Dr. David Feifel accept Medicare?

Yes. CMS data shows Dr. Feifel billed Medicare for 565 services in 2024, and Dr. Feifel accepts Medicare assignment.

Does Dr. David Feifel offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Feifel as offering telehealth services.

How many Medicare patients does Dr. David Feifel see?

CMS counts 60 Medicare patients who saw Dr. Feifel in 2024, with an average age of 69.

Is Dr. David Feifel board certified?

Yes. Dr. Feifel is board certified in psychiatry by the American Board of Psychiatry and Neurology.

Show 8 more questionsShow fewer questions

What services does Dr. David Feifel bill to Medicare?

In 2024, Dr. Feifel's most billed Medicare services were psychiatric service (90868), health assessment (96130) and medicare service (G2083).

Where did Dr. David Feifel go to medical school?

Dr. Feifel graduated from University of Toronto Faculty of Medicine in 1991.

What drugs does Dr. David Feifel prescribe most?

In 2024 Medicare Part D data, Dr. Feifel's most prescribed drugs by claims were Spravato.

Has Dr. David Feifel received payments from drug or device companies?

CMS Open Payments shows $7,885 in general payments to Dr. Feifel from 4 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. David Feifel been practicing?

Dr. Feifel graduated from medical school in 1991, 35 years ago.

Does Dr. David Feifel do research?

Dmand AI links 130 publications to Dr. Feifel, published from 2002 to 2025. Dr. Feifel has worked on 14 clinical trials.

Who does Dr. David Feifel publish with?

Dr. Feifel's most frequent co-authors are Kaimana S. MacDonald, MD (10 shared papers), Aron Tendler, MD (5 shared papers) and Joyce Tsai, MD (5 shared papers).

What insurance does Dr. David Feifel accept?

Dr. Feifel is in network with 9 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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