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Dr. Jeffrey Millegan, MD, MPH
NPI1831251719
- Part D claims, 2024
- 227
- Publications
- 15
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 3
- Practice address
- 710 Lawrence Expy, Santa Clara, CA 95051
- Practice phone
- Call (408) 851-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Permanente Medical Group Inc
Santa Clara, California
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Dr. Jeffrey Millegan is a psychiatrist in Santa Clara, California
Dr. Millegan practices at Permanente Medical Group Inc in Santa Clara, California.
Dr. Millegan's NPI, 1831251719, was assigned on December 15, 2006. Dr. Millegan graduated from Tulane School of Medicine in 2002. Dr. Millegan holds California license A84799.
NPI and contact details
- NPI
- 1831251719NPI Registry (opens in a new tab)
- NPI enumeration date
- December 15, 2006
- NPI status
- Active
- Practice phone
- (408) 851-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Jeffrey Millegan practices at Permanente Medical Group Inc in Santa Clara, California
Dr. Millegan's primary practice is Permanente Medical Group Inc, at 710 Lawrence Expy, Santa Clara, CA 95051 in Santa Clara County. The practice phone is (408) 851-1000.
- Permanente Medical Group Inc710 Lawrence Expy, Santa Clara, CA 95051 · Santa Clara CountyPhone(408) 851-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jeffrey Millegan is affiliated with 2 sites of care and 1 medical group
Dr. Millegan's primary practice is Permanente Medical Group Inc in Santa Clara, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Millegan to 1 more group practice or clinic, named with a free account.
Permanente Medical Group IncPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jeffrey Millegan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Millegan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Permanente Medical Group Inc | 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. Jeffrey Millegan is one of 6,803 psychiatrists in California
Psychiatry is Dr. Millegan's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Millegan is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Millegan's licenses on file in 3 states: California, Hawaii and Connecticut.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
- Hawaii license
- Connecticut license
Psychiatrists near Dr. Millegan
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. Jeffrey Millegan's patients have a median age of 32
Across all payers, Dmand AI patient panel data puts Dr. Millegan's median patient age at 32, with 60% women.
Dr. Millegan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 32
Patient panel by sex, all payers
- Women60%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. Jeffrey Millegan wrote 227 Medicare Part D claims in 2024
In 2024, Dr. Millegan wrote 227 Medicare Part D claims for 40 patients. 98% of them were for generic drugs. CMS names the drug for 94 of them, across 6 drugs with 11 or more claims each, at $2,167 in total drug cost. In 2020, CMS named 13 claims across 1 drug.
Part D claims, 2024227
Drugs named by CMS6
Total drug cost$2,167
Part D patients40
Dr. Millegan's Part D claims by kind of drug, 2024
- Generic222 claims98%
- Brand-name and other5 claims2%
Dr. Millegan'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. Millegan's Part D claims, 2024
- Antipsychotics, patients 65 and over10%22 of 227 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, 2020 to 2024
- 2020
- 2024
- Claims for drugs CMS names
- 2020: 132024: 94623%
Drugs named by CMS: 6 in 2024, 1 in 2020.
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
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Dr. Jeffrey Millegan has 15 publications on record
Dmand AI links 15 papers to Dr. Millegan, published from 2013 to 2022. 2015 was the busiest year, with 2. The most frequent topics are Military Personnel, Iraq War, 2003-2011 and Mental Health. Dr. Millegan has published most often in Mil Med. Dr. Millegan's most frequent co-authors are Robert Neil McLay, MD, PhD, John B. Crescitelli, DO and John Weber Denninger, MD, PhD.
Papers15
Years published2013 to 2022
Dr. Millegan's papers by year, 2013 to 2022
Topics Dr. Millegan writes about most
- Military Personnel
- Iraq War, 2003-2011
- Mental Health
- Stress, Psychological
- Mental Health Services
- Afghan Campaign 2001-
- Burnout, Professional
- Chronic Pain
Dr. Millegan's most frequent co-authors
- Robert Neil McLay, MD, PhD2 shared papers
- John B. Crescitelli, DO1 shared paper
- John Weber Denninger, MD, PhD1 shared paper
Recent publications by Dr. Millegan
Delivery of Health CareMental HealthMilitary Personnel
AnxietyChronic PainMilitary Personnel
Afghan Campaign 2001-Combat DisordersDepressive Disorder
J Trauma Stress
Health StatusMilitary PersonnelOccupational Health
See who Dr. Millegan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Millegan 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. Jeffrey Millegan graduated from Tulane School of Medicine
Dr. Millegan graduated from Tulane School of Medicine in 2002.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Sources for Dr. Jeffrey Millegan'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 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 |
| 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. Jeffrey Millegan
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. Jeffrey Millegan's NPI number?
Dr. Jeffrey Millegan's NPI number is 1831251719. It was assigned on December 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeffrey Millegan?
Dr. Jeffrey Millegan is a psychiatrist in Santa Clara, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Jeffrey Millegan practice?
Dr. Millegan practices at 710 Lawrence Expy, Santa Clara, CA 95051. Dr. Millegan's primary practice is Permanente Medical Group Inc in Santa Clara, California. Dmand AI also links Dr. Millegan to 1 group practice or clinic.
What is Dr. Jeffrey Millegan's office phone number?
The practice phone on file for Dr. Millegan is (408) 851-1000.
What is Dr. Jeffrey Millegan's medical license number?
Dr. Millegan holds California license A84799, one of the licenses on file in 3 states.
Which states has Dr. Jeffrey Millegan been licensed in?
Dmand AI has state licenses on file for Dr. Millegan in California (2003 to 2027), Hawaii (2022 to 2026) and Connecticut (2023 to 2024).
What medical group is Dr. Jeffrey Millegan part of?
Dr. Millegan is linked to The Permanente Medical Group, Inc.
Is Dr. Jeffrey Millegan board certified?
Yes. Dr. Millegan is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Where did Dr. Jeffrey Millegan go to medical school?
Dr. Millegan graduated from Tulane School of Medicine in 2002.
What drugs does Dr. Jeffrey Millegan prescribe most?
In 2024 Medicare Part D data, Dr. Millegan's most prescribed drugs by claims were Bupropion XL, Duloxetine HCl and Lorazepam.
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How long has Dr. Jeffrey Millegan been practicing?
Dr. Millegan graduated from medical school in 2002, 24 years ago.
Does Dr. Jeffrey Millegan do research?
Dmand AI links 15 publications to Dr. Millegan, published from 2013 to 2022.
Who does Dr. Jeffrey Millegan publish with?
Dr. Millegan's most frequent co-authors are Robert Neil McLay, MD, PhD (2 shared papers), John B. Crescitelli, DO (1 shared paper) and John Weber Denninger, MD, PhD (1 shared paper).
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