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Dr. Diane Marie Highum, MD
NPI1396868386
- Medicare services, 2018
- 53
- Part D claims, 2018
- 84
- Publications
- 2
- Clinical trials
- 6
- Industry payments
- $2,343
- Practice address
- 301 Victoria St, Costa Mesa, CA 92627-1995
- Practice phone
- Call (949) 642-2734
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Highum'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. Diane Marie Highum is a psychiatrist in Costa Mesa, California
Dr. Highum practices in Costa Mesa, California.
Dr. Highum's NPI, 1396868386, was assigned on April 6, 2007. Dr. Highum graduated from Harvard Medical School in 1984. Dr. Highum holds California license G68947.
NPI and contact details
- NPI
- 1396868386NPI Registry (opens in a new tab)
- NPI enumeration date
- April 6, 2007
- NPI status
- Active
- Practice phone
- (949) 642-2734
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Diane Marie Highum's practice address is in Costa Mesa, California
Dr. Highum's practice address in the NPI Registry is 301 Victoria St, Costa Mesa, CA 92627-1995. The practice phone is (949) 642-2734.
- NPI Registry address301 Victoria St, Costa Mesa, CA 92627-1995Phone(949) 642-2734
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Diane Marie Highum's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Highum practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Highum's practice | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Diane Marie Highum is one of 6,803 psychiatrists in California
Psychiatry is Dr. Highum's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Highum is licensed in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Psychiatrists near Dr. Highum
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. Diane Marie Highum billed Medicare for 53 services in 2018
CMS data shows 53 Medicare services from Dr. Highum across 1 procedure code in 2018. Medicare paid $3,282 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 201853
Paid by Medicare$3,282
Procedure codes1
Dr. Highum compared with the California median for psychiatrists, 2018
- Dr. Highum
- California median
- Medicare services
- 53vs 11955% below
- Part D claims
- 84vs 14442% below
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Highum's most billed Medicare procedure codes, 2018
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Highum and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Diane Marie Highum wrote 84 Medicare Part D claims in 2018
In 2018, Dr. Highum wrote 84 Medicare Part D claims. They cover 5 drugs, with $2,447 in total drug cost.
Part D claims, 201884
Drugs named by CMS5
Total drug cost$2,447
Dr. Highum's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Diane Marie Highum has 2 publications on record
Dmand AI links 2 papers to Dr. Highum in 2012. Dr. Highum's most frequent co-authors are Daniel Gregory Amen, MD and Andrew B. Newberg, MD.
Papers2
Dr. Highum's most frequent co-authors
Recent publications by Dr. Highum
See who Dr. Highum researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Highum 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. Diane Marie Highum has worked on 6 clinical trials
Dmand AI links Dr. Highum to 6 clinical trials, 3 of them phase 2 studies. Conditions studied include Schizophrenia, Depressive Disorder, Major and Psychotic Disorders. Otsuka Pharmaceutical Development & Commercialization, Inc. sponsors the most, 2. Open Payments lists research payments to Dr. Highum that name 1 trial.
Clinical trials with Dr. Highum by phase
- NonePhase 1: no trials
- 3Phase 2: 3 trials
- 1Phase 3: 1 trial
- NonePhase 4: no trials
Conditions in Dr. Highum's trials
- Schizophrenia
- Depressive Disorder, Major
- Psychotic Disorders
- Stress Disorders, Post-Traumatic
- Depressive Disorder
Investigators on the most trials with Dr. Highum
- Rishi Kakar, MD4 shared trials
- James Michael Andry, MD2 shared trials
- Anup Banerjee, MD2 shared trials
Recent clinical trials with Dr. Highum
Depressive Disorder, MajorDepressive DisorderNMRA-335140
A Trial in Adult Participants With Schizophrenia Treated Prospectively for 6-months With Abilify MyCite® (opens in a new tab)
TerminatedPhase 3
SchizophreniaSchizophrenia Spectrum and Other Psychotic DisordersAbilify MyCite®
A Double-Blind Trial of Adjunctive Valacyclovir to Improve Cognition in Early Phase Schizophrenia (opens in a new tab)
CompletedPhase 2
Psychotic DisordersSchizophreniaValacyclovir HCI 500 mg tablets
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Diane Marie Highum received $2,343 in industry payments from 2016 to 2018
CMS Open Payments shows 22 general payments to Dr. Highum from 3 drug and device companies from 2016 to 2018. Travel and lodging make up the largest share, 69% of the total. Merck Sharp & Dohme Corporation paid the most, $2,302. It also lists 16 research payments totaling $3,690 from 2017 to 2019, naming 1 clinical trial.
General payments to Dr. Highum by program year, 2016 to 2018
General payments to Dr. Highum by kind, 2016 to 2018
$2.3Kin total
- Travel and lodging$1,62569%
- Food and beverage$71831%
Companies that paid Dr. Highum the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Diane Marie Highum graduated from Harvard Medical School
Dr. Highum graduated from Harvard Medical School in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Diane Marie Highum accepts plans from 1 insurance carrier
Dr. Highum is in network with 1 carrier, including Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
Plan types Dr. Highum accepts, by number of carriers
- HMO1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Diane Marie Highum'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 |
| 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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Diane Marie Highum
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. Diane Marie Highum's NPI number?
Dr. Diane Marie Highum's NPI number is 1396868386. It was assigned on April 6, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Diane Marie Highum?
Dr. Diane Marie Highum is a psychiatrist in Costa Mesa, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Diane Marie Highum practice?
Dr. Highum practices at 301 Victoria St, Costa Mesa, CA 92627-1995.
What is Dr. Diane Marie Highum's office phone number?
The practice phone on file for Dr. Highum is (949) 642-2734.
What is Dr. Diane Marie Highum's medical license number?
Dr. Highum holds California license G68947.
Does Dr. Diane Marie Highum accept Medicare?
Yes. CMS data shows Dr. Highum billed Medicare for 53 services in 2018.
What services does Dr. Diane Marie Highum bill to Medicare?
In 2018, Dr. Highum's most billed Medicare services were hospital inpatient care (99232).
Where did Dr. Diane Marie Highum go to medical school?
Dr. Highum graduated from Harvard Medical School in 1984.
What drugs does Dr. Diane Marie Highum prescribe most?
In 2018 Medicare Part D data, Dr. Highum's most prescribed drugs by claims were Divalproex Sodium ER, Haloperidol and Olanzapine ODT.
Has Dr. Diane Marie Highum received payments from drug or device companies?
CMS Open Payments shows $2,343 in general payments to Dr. Highum from 3 companies from 2016 to 2018. The largest total came from Merck Sharp & Dohme Corporation.
Show 4 more questionsShow fewer questions
How long has Dr. Diane Marie Highum been practicing?
Dr. Highum graduated from medical school in 1984, 42 years ago.
Does Dr. Diane Marie Highum do research?
Dmand AI links 2 publications to Dr. Highum. Dr. Highum has worked on 6 clinical trials.
Who does Dr. Diane Marie Highum publish with?
Dr. Highum's most frequent co-authors are Daniel Gregory Amen, MD (2 shared papers) and Andrew B. Newberg, MD (1 shared paper).
What insurance does Dr. Diane Marie Highum accept?
Dr. Highum is in network with 1 carrier, including Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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