Keith Hermanstyne

  • Los Angeles, CA
  • Psychiatrist
NPI1922321561
Part D claims, 2024
393
Publications
10
Medical group
1
Insurance carriers
1
State license
1
Practice address
1224 N. Vine St., Los Angeles, CA 90038
Practice phone
Call (323) 769-6154
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Hollywood Mental Health Center

Behavioral health facility · Los Angeles, California

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Keith Hermanstyne is a psychiatrist in Los Angeles, California

Keith Hermanstyne practices at Hollywood Mental Health Center in Los Angeles, California.

Keith Hermanstyne's NPI, 1922321561, was assigned on March 10, 2010. Keith Hermanstyne graduated from Vagelos College of Physicians and Surgeons in 2009. Keith Hermanstyne holds California license A115322.

NPI and contact details
NPI enumeration date
March 10, 2010
NPI status
Active
Practice phone
(323) 769-6154
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
2009

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

Keith Hermanstyne practices at Hollywood Mental Health Center in Los Angeles, California

Keith Hermanstyne's primary practice is Hollywood Mental Health Center, at 1224 N. Vine St., Los Angeles, CA 90038. The practice phone is (323) 769-6154.

  • Hollywood Mental Health Center
    1224 N. Vine St., Los Angeles, CA 90038Phone(323) 769-6154

Source: Doctors and Clinicians National Downloadable File (CMS)

Keith Hermanstyne is affiliated with 1 site of care and 1 medical group

Keith Hermanstyne's primary practice is Hollywood Mental Health Center in Los Angeles, California. The medical group on file is GENESIS Older Adult Program (Los Angeles County Department of Mental Health).

Hollywood Mental Health CenterBehavioral health facility · Los Angeles, CaliforniaPrimary
GENESIS Older Adult Program (Los Angeles County Department of Mental Health)Behavioral and mental health group, Los Angeles, CA

Sources: Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Keith Hermanstyne's practice

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

EHR by site
SiteEHR vendor and product
Hollywood Mental Health CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Keith Hermanstyne is one of 6,803 psychiatrists in California

Psychiatry is Keith Hermanstyne's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Keith Hermanstyne is board certified in addiction medicine by the American Board of Preventive Medicine. Keith Hermanstyne is licensed in California.

Specialties and state licenses

  • Psychiatry, CaliforniaPrimaryLicense A115322 · 2011 to 2027 · taxonomy 2084P0800X

Psychiatrists near Keith Hermanstyne

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

Keith Hermanstyne's patients have a median age of 55

Across all payers, Dmand AI patient panel data puts Keith Hermanstyne's median patient age at 55, with 36% women.

Keith Hermanstyne's patients across all payers

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

Patient panel by age, all payers

Median age 55

Patient panel by sex, all payers

  • Women36%
  • Men64%

Source: Dmand AI Patient Panel Data

Keith Hermanstyne wrote 393 Medicare Part D claims in 2024

In 2024, Keith Hermanstyne wrote 393 Medicare Part D claims for 30 patients. 98% of them were for generic drugs. CMS names the drug for 307 of them, across 14 drugs with 11 or more claims each, at $11,308 in total drug cost. In 2023, CMS named 500 claims across 19 drugs.

Part D claims, 2024393
Drugs named by CMS14
Total drug cost$11,308
Part D patients30

Keith Hermanstyne's Part D claims by kind of drug, 2024

  • Generic387 claims98%
  • Brand-name and other6 claims2%

Keith Hermanstyne'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 Keith Hermanstyne's Part D claims, 2024

  • Antipsychotics, patients 65 and over9%37 of 393 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, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 5002024: 30739%

Drugs named by CMS: 14 in 2024, 19 in 2023.

See all prescribing by Keith Hermanstyne

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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Keith Hermanstyne has 10 publications on record

Dmand AI links 10 papers to Keith Hermanstyne, published from 2012 to 2018. 2014 was the busiest year, with 2. The most frequent topics are Homosexuality, Male, Black or African American and HIV Infections. Keith Hermanstyne's most frequent co-authors are Phillip Oliver Coffin, MD and Christina Victoria Mangurian, MD.

Papers10
Years published2012 to 2018

Keith Hermanstyne's papers by year, 2012 to 2018

Topics Keith Hermanstyne writes about most

  • Homosexuality, Male
  • Black or African American
  • HIV Infections
  • Social Support

Keith Hermanstyne's most frequent co-authors

Recent publications by Keith Hermanstyne

See all 10 publications and co-authors

See who Keith Hermanstyne researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Keith Hermanstyne 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

Keith Hermanstyne graduated from Vagelos College of Physicians and Surgeons

Keith Hermanstyne graduated from Vagelos College of Physicians and Surgeons in 2009.

  1. Medical schoolVagelos College of Physicians and Surgeons
  2. Board certified in addiction medicineAmerican Board of Preventive Medicine
  3. Board certified in psychiatryAmerican Board of Psychiatry and Neurology

Source: Dmand AI Professional Profile Data

Keith Hermanstyne accepts plans from 1 insurance carrier

Keith Hermanstyne 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 Keith Hermanstyne accepts, by number of carriers

  1. HMO1
  2. POS1
  3. PPO1

Source: Dmand AI Insurance Network Data

Sources for Keith Hermanstyne'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 phoneDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Primary practice, affiliations and health systemDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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 Keith Hermanstyne

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Keith Hermanstyne's NPI number?

Keith Hermanstyne's NPI number is 1922321561. It was assigned on March 10, 2010, and it is active in the NPI Registry.

What does Keith Hermanstyne specialize in?

Keith Hermanstyne is a psychiatrist in Los Angeles, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).

Where does Keith Hermanstyne practice?

Keith Hermanstyne practices at 1224 N. Vine St., Los Angeles, CA 90038. Keith Hermanstyne's primary practice is Hollywood Mental Health Center in Los Angeles, California.

What is Keith Hermanstyne's office phone number?

The practice phone on file for Keith Hermanstyne is (323) 769-6154.

What is Keith Hermanstyne's medical license number?

Keith Hermanstyne holds California license A115322.

What medical group is Keith Hermanstyne part of?

Keith Hermanstyne is linked to GENESIS Older Adult Program (Los Angeles County Department of Mental Health).

Is Keith Hermanstyne board certified?

Yes. Keith Hermanstyne is board certified in addiction medicine by the American Board of Preventive Medicine.

Where did Keith Hermanstyne go to medical school?

Keith Hermanstyne graduated from Vagelos College of Physicians and Surgeons in 2009.

What drugs does Keith Hermanstyne prescribe most?

In 2024 Medicare Part D data, Keith Hermanstyne's most prescribed drugs by claims were Trazodone HCl, Bupropion XL and Escitalopram Oxalate.

How long has Keith Hermanstyne been practicing?

Keith Hermanstyne graduated from medical school in 2009, 17 years ago.

Show 3 more questionsShow fewer questions

Does Keith Hermanstyne do research?

Dmand AI links 10 publications to Keith Hermanstyne, published from 2012 to 2018.

Who does Keith Hermanstyne publish with?

Keith Hermanstyne's most frequent co-authors are Phillip Oliver Coffin, MD (1 shared paper) and Christina Victoria Mangurian, MD (1 shared paper).

What insurance does Keith Hermanstyne accept?

Keith Hermanstyne 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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