Dr. Scott A. Irwin, MD
- Medicare services, 2024
- 133
- Medicare patients, 2024
- 31
- Part D claims, 2024
- 260
- Publications
- 82
- Clinical trials
- 3
- Practice address
- 8700 Beverly Blvd, Los Angeles, CA 90048
- Practice phone
- Call (310) 423-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Irwin'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. Scott A. Irwin is a psychiatrist in West Hollywood, California
Dr. Irwin practices at Cedars-Sinai Medical Center in Los Angeles, California, part of Cedars-Sinai Health System.
Dr. Irwin's NPI, 1225117716, was assigned on November 3, 2006. Dr. Irwin graduated from University of Illinois College of Medicine - Chicago in 2002. Dr. Irwin holds California license A84936.
- NPI
- 1225117716NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355305426
- NPI enumeration date
- November 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (310) 423-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Scott A. Irwin practices at Cedars-Sinai Medical Center in Los Angeles, California
Dr. Irwin's primary practice is Cedars-Sinai Medical Center, at 8700 Beverly Blvd, Los Angeles, CA 90048 in Los Angeles County. The practice phone is (310) 423-5000.
- Cedars-Sinai Medical Center8700 Beverly Blvd, Los Angeles, CA 90048 · Los Angeles CountyPhone(310) 423-5000
Source: Dmand AI Affiliation Data
Dr. Scott A. Irwin is affiliated with 3 sites of care and 7 medical groups
Dr. Irwin's primary practice is Cedars-Sinai Medical Center in Los Angeles, California, part of Cedars-Sinai Health System. The medical group on file is Cedars-Sinai Medical Center. Dmand AI also links Dr. Irwin to 6 more medical groups and 2 group practices and clinics, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Scott A. Irwin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Irwin practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cedars-Sinai Medical Center | Available with a free account |
| +2 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Scott A. Irwin is one of 6,803 psychiatrists in California
Psychiatry is Dr. Irwin's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Irwin is board certified in consultation-liaison psychiatry by the American Board of Psychiatry and Neurology. Dr. Irwin is licensed in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Clinical focus
Dmand AI lists adjustment disease, anxiety, depression and insomnia among the conditions Dr. Irwin treats.
Psychiatrists near Dr. Irwin
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. Scott A. Irwin billed Medicare for 133 services in 2024
CMS data shows 133 Medicare services from Dr. Irwin across 2 procedure codes in 2024, for 31 Medicare patients. Medicare paid $11,058 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Irwin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1032024: 12218%
- Tests and treatments
- 2023: 192024: 1142%
Dr. Irwin compared with the California median for psychiatrists, 2024
- Dr. Irwin
- California median
- Medicare services
- 133vs 11912% above
- Medicare patients
- 31vs 4124% below
- Part D claims
- 215vs 14449% above
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Irwin'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Scott A. Irwin treated 31 Medicare patients in 2024, average age 71
CMS counts 31 Medicare patients who saw Dr. Irwin in 2024. The largest group is 65 to 74, with 14 patients. 75% of them have anxiety, and 75% have cancer. Their average risk score is 2.37, 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. Irwin's median patient age at 67, with 57% women.
Dr. Irwin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Irwin's Medicare patients by sex, 2024
- Women2065%
- Men1135%
Chronic conditions among Dr. Irwin's Medicare patients, 2024
- Anxiety75%
- Cancer75%
- Depression75%
- High cholesterol75%
- Mood disorders75%
- High blood pressure71%
- Arthritis61%
- Diabetes45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Irwin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Scott A. Irwin wrote 260 Medicare Part D claims in 2024
In 2024, Dr. Irwin wrote 260 Medicare Part D claims for 25 patients. 98% of them were for generic drugs. CMS names the drug for 215 of them, across 10 drugs with 11 or more claims each, at $3,403 in total drug cost. In 2023, CMS named 102 claims across 5 drugs.
Dr. Irwin's Part D claims by kind of drug, 2024
- Generic254 claims98%
- Brand-name and other6 claims2%
Dr. Irwin'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: 1022024: 215111%
Drugs named by CMS: 10 in 2024, 5 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. Scott A. Irwin scored 93 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Dr. Irwin for performance year 2024, reported as part of a group. Dr. Irwin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Irwin as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Irwin's MIPS scores, performance year 2024
- 93of 100Final score
- 77.8of 100Quality
- 98of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 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. Scott A. Irwin has 82 publications on record
Dmand AI links 82 papers to Dr. Irwin, published from 2008 to 2021. 2013 was the busiest year, with 7. The most frequent topics are Palliative Care, Hospice Care and California. Dr. Irwin has published most often in J Palliat Med. Dr. Irwin's most frequent co-authors are Jeremy Mason Hirst, MD, Nathan P. Fairman, MD and Dilip V. Jeste, MD.
Dr. Irwin's papers by year, 2012 to 2021
Topics Dr. Irwin writes about most
- Palliative Care
- Hospice Care
- California
- Depression
- Psychiatry
- Psychotherapy
- Dendrites
- Fragile X Syndrome
Dr. Irwin's most frequent co-authors
- Jeremy Mason Hirst, MD6 shared papers
- Nathan P. Fairman, MD5 shared papers
- Dilip V. Jeste, MD3 shared papers
Recent publications by Dr. Irwin
Depress Anxiety
See who Dr. Irwin researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Irwin 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. Scott A. Irwin has worked on 3 clinical trials
Dmand AI links Dr. Irwin to 3 clinical trials, 2 of them early phase 1 studies. 1 is still active or recruiting. Conditions studied include Depression, Visceral Pain and Behavioral Symptoms. Cedars-Sinai Medical Center sponsors the most, 2.
Conditions in Dr. Irwin's trials
- Depression
- Visceral Pain
- Behavioral Symptoms
- Nociceptive Pain
- Pancreatic Neoplasms
Investigators on the most trials with Dr. Irwin
Recent clinical trials with Dr. Irwin
Virtual Reality for GI Cancer Pain to Improve Patient Reported Outcomes (opens in a new tab)
A Randomized, Double Blind, Feasibility Study of Oral Ketamine Versus Placebo for Treating Depression in Patients With Cancer (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Scott A. Irwin received $287 in industry payments from 2018 to 2020
CMS Open Payments shows 12 general payments to Dr. Irwin from 3 drug and device companies from 2018 to 2020. Food and beverage make up the largest share, 100% of the total. Sunovion Pharmaceuticals Inc. paid the most, $158.
General payments to Dr. Irwin by program year, 2018 to 2020
Companies that paid Dr. Irwin the most, 2018 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Scott A. Irwin has 18 awards and honors on record
Dmand AI lists 18 awards for Dr. Irwin, most recently Scholar in 2014.
Awards and honors for Dr. Irwin
- 2014
- Scholar
- 2011
- Visiting Professorship Program Award
- 2010
- Health Hero Award
- Honoree, Health Care Champion Awards for Innovation and Research
- Physicians of Exceptional Excellence in the Field of Psychiatry, 2014 Top Doctor
- Service Award
Source: Dmand AI Professional Profile Data
Dr. Scott A. Irwin graduated from University of Illinois College of Medicine - Chicago
Dr. Irwin graduated from University of Illinois College of Medicine - Chicago in 2002.
- Medical school
- Board certified in consultation-liaison psychiatry
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. Scott A. Irwin accepts plans from 9 insurance carriers
Dr. Irwin 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. Irwin accepts, by number of carriers
- Medicare9
- PPO7
- HMO3
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Scott A. Irwin'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Scott A. Irwin
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. Scott A. Irwin's NPI number?
Dr. Scott A. Irwin's NPI number is 1225117716. It was assigned on November 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Scott A. Irwin?
Dr. Scott A. Irwin is a psychiatrist in West Hollywood, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Scott A. Irwin practice?
Dr. Irwin practices at 8700 Beverly Blvd, Los Angeles, CA 90048. Dr. Irwin's primary practice is Cedars-Sinai Medical Center in Los Angeles, California, part of Cedars-Sinai Health System. Dmand AI also links Dr. Irwin to 6 medical groups and 2 group practices and clinics.
What is Dr. Scott A. Irwin's office phone number?
The practice phone on file for Dr. Irwin is (310) 423-5000.
What is Dr. Scott A. Irwin's medical license number?
Dr. Irwin holds California license A84936.
Which hospitals is Dr. Scott A. Irwin affiliated with?
Dr. Irwin practices at Cedars-Sinai Medical Center in Los Angeles, California.
What medical group is Dr. Scott A. Irwin part of?
Dr. Irwin is linked to Cedars-Sinai Medical Center. Dmand AI links Dr. Irwin to 6 more medical groups.
Does Dr. Scott A. Irwin accept Medicare?
Yes. CMS data shows Dr. Irwin billed Medicare for 133 services in 2024, and Dr. Irwin accepts Medicare assignment.
Does Dr. Scott A. Irwin offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Irwin as offering telehealth services.
What is Dr. Scott A. Irwin's MIPS score?
Dr. Irwin's MIPS final score for performance year 2024 is 93 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Scott A. Irwin see?
CMS counts 31 Medicare patients who saw Dr. Irwin in 2024, with an average age of 71.
Is Dr. Scott A. Irwin board certified?
Yes. Dr. Irwin is board certified in consultation-liaison psychiatry by the American Board of Psychiatry and Neurology.
What services does Dr. Scott A. Irwin bill to Medicare?
In 2024, Dr. Irwin's most billed Medicare services were office visit, established patient (99214) and psychiatric service (90792).
Where did Dr. Scott A. Irwin go to medical school?
Dr. Irwin graduated from University of Illinois College of Medicine - Chicago in 2002.
What drugs does Dr. Scott A. Irwin prescribe most?
In 2024 Medicare Part D data, Dr. Irwin's most prescribed drugs by claims were Clonazepam, Lorazepam and Venlafaxine HCl ER.
Has Dr. Scott A. Irwin received payments from drug or device companies?
CMS Open Payments shows $287 in general payments to Dr. Irwin from 3 companies from 2018 to 2020. The largest total came from Sunovion Pharmaceuticals Inc.
How long has Dr. Scott A. Irwin been practicing?
Dr. Irwin graduated from medical school in 2002, 24 years ago.
Does Dr. Scott A. Irwin do research?
Dmand AI links 82 publications to Dr. Irwin, published from 2008 to 2021. Dr. Irwin has worked on 3 clinical trials.
Who does Dr. Scott A. Irwin publish with?
Dr. Irwin's most frequent co-authors are Jeremy Mason Hirst, MD (6 shared papers), Nathan P. Fairman, MD (5 shared papers) and Dilip V. Jeste, MD (3 shared papers).
What insurance does Dr. Scott A. Irwin accept?
Dr. Irwin 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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