Dr. Clay Anthony Cormier, MD

  • Valencia, CA
  • Emergency medicine physician
NPI1861422552
Medicare services, 2024
291
Medicare patients, 2024
234
Part D claims, 2024
379
MIPS score, 2024
97
Hospital affiliations
1
Practice address
23845 McBean Pkwy, Valencia, CA 91355
Practice phone
Call (661) 253-8000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Henry Mayo Newhall Hospital

Hospital · Valencia, California

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Dr. Clay Anthony Cormier is an emergency medicine physician in Valencia, California

Dr. Cormier practices at Henry Mayo Newhall Hospital in Valencia, California, part of Henry Mayo Newhall Hospital.

Dr. Cormier's NPI, 1861422552, was assigned on July 5, 2006. Dr. Cormier graduated from David Geffen School of Medicine at UCLA in 1992. Dr. Cormier's California license number on file is G78068.

NPI and contact details
NPI enumeration date
July 5, 2006
NPI status
Active
Practice phone
(661) 253-8000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
60
Medical school graduation
1992

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

Dr. Clay Anthony Cormier practices at Henry Mayo Newhall Hospital in Valencia, California

Dr. Cormier's primary practice is Henry Mayo Newhall Hospital, at 23845 McBean Pkwy, Valencia, CA 91355 in Los Angeles County. The practice phone is (661) 253-8000.

Source: Dmand AI Affiliation Data

Dr. Clay Anthony Cormier is affiliated with 1 site of care and 1 medical group

Dr. Cormier's primary practice is Henry Mayo Newhall Hospital in Valencia, California, part of Henry Mayo Newhall Hospital. The medical group on file is Vituity.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Clay Anthony Cormier's practice

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

EHR by site
SiteEHR vendor and product
Henry Mayo Newhall HospitalAvailable with a free account

Source: Dmand AI Technology Install Data

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Henry Mayo Newhall Hospital and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Clay Anthony Cormier is one of 7,423 emergency medicine physicians in California

Emergency medicine is Dr. Cormier's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Cormier is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Cormier has a license on file in California.

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense G78068 · 1993 to 2025 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Cormier

Counts of emergency medicine physicians 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. Clay Anthony Cormier billed Medicare for 291 services in 2024

CMS data shows 291 Medicare services from Dr. Cormier across 4 procedure codes in 2024, for 234 Medicare patients. Medicare paid $32,187 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024291
Medicare patients234
Paid by Medicare$32,187
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 2592024: 2484%
Tests and treatments
2023: 702024: 4339%

Dr. Cormier compared with the California median for emergency medicine physicians, 2024

  • Dr. Cormier
  • California median
Medicare services
291vs 26510% above
Medicare patients
234vs 243Close to median
Part D claims
234vs 623.8 times

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Cormier'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. Cormier

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

Dr. Clay Anthony Cormier treated 234 Medicare patients in 2024, average age 73

CMS counts 234 Medicare patients who saw Dr. Cormier in 2024. The largest group is 65 to 74, with 91 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 41% are also on Medicaid. Their average risk score is 2.23, 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. Cormier's median patient age at 41, with 58% women.

Medicare patients, 2024234
Average age73
Average risk score2.23
Also on Medicaid41%

Dr. Cormier's Medicare patients by age, 2024

Dr. Cormier's Medicare patients by sex, 2024

  • Women12855%
  • Men10645%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis60%
  4. Diabetes43%
  5. Ischemic heart disease37%
  6. Chronic kidney disease36%
  7. Mood disorders36%
  8. Anxiety34%

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

Dr. Cormier's patients across all payers

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

Patient panel by age, all payers

Median age 41

Patient panel by sex, all payers

  • Women58%
  • Men41%

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

Dr. Clay Anthony Cormier wrote 379 Medicare Part D claims in 2024

In 2024, Dr. Cormier wrote 379 Medicare Part D claims for 209 patients. 96% of them were for generic drugs. CMS names the drug for 234 of them, across 10 drugs with 11 or more claims each, at $848 in total drug cost. In 2023, CMS named 177 claims across 6 drugs.

Part D claims, 2024379
Drugs named by CMS10
Total drug cost$848
Part D patients209

Dr. Cormier's Part D claims by kind of drug, 2024

  • Generic363 claims96%
  • Brand-name16 claims4%

Dr. Cormier'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. Cormier's Part D claims, 2024

  • Opioids20%74 of 379 claims
  • Antibiotics18%67 of 379 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: 1772024: 23432%

Drugs named by CMS: 10 in 2024, 6 in 2023.

See all prescribing by Dr. Cormier

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. Clay Anthony Cormier scored 97 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Cormier for performance year 2024, reported as part of a group.

Dr. Cormier's MIPS scores, performance year 2024

  • 97of 100Final score
  • 90of 100Quality
  • 40of 100Improvement Activities
  • 78of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Clay Anthony Cormier received $251 in industry payments from 2016 to 2021

CMS Open Payments shows 5 general payments to Dr. Cormier from 4 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Grifols Shared Services North America, Inc. paid the most, $125.

General payments to Dr. Cormier by program year, 2016 to 2021

Companies that paid Dr. Cormier the most, 2016 to 2021

Share is of all general payments to this clinician.

See all payments to Dr. Cormier

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

Dr. Clay Anthony Cormier graduated from David Geffen School of Medicine at UCLA

Dr. Cormier graduated from David Geffen School of Medicine at UCLA in 1992.

  1. Medical schoolDavid Geffen School of Medicine at UCLA
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Dr. Clay Anthony Cormier accepts plans from 1 insurance carrier

Dr. Cormier is in network with 1 carrier, including Molina. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Molina

Source: Dmand AI Insurance Network Data

Sources for Dr. Clay Anthony Cormier'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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 percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Clay Anthony Cormier

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. Clay Anthony Cormier's NPI number?

Dr. Clay Anthony Cormier's NPI number is 1861422552. It was assigned on July 5, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Clay Anthony Cormier?

Dr. Clay Anthony Cormier is an emergency medicine physician in Valencia, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Clay Anthony Cormier practice?

Dr. Cormier practices at 23845 McBean Pkwy, Valencia, CA 91355. Dr. Cormier's primary practice is Henry Mayo Newhall Hospital in Valencia, California, part of Henry Mayo Newhall Hospital.

What is Dr. Clay Anthony Cormier's office phone number?

The practice phone on file for Dr. Cormier is (661) 253-8000.

What is Dr. Clay Anthony Cormier's medical license number?

Dr. Cormier's California license number on file is G78068.

Which hospitals is Dr. Clay Anthony Cormier affiliated with?

Dr. Cormier practices at Henry Mayo Newhall Hospital in Valencia, California.

What medical group is Dr. Clay Anthony Cormier part of?

Dr. Cormier is linked to Vituity.

Does Dr. Clay Anthony Cormier accept Medicare?

Yes. CMS data shows Dr. Cormier billed Medicare for 291 services in 2024.

What is Dr. Clay Anthony Cormier's MIPS score?

Dr. Cormier's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.

How many Medicare patients does Dr. Clay Anthony Cormier see?

CMS counts 234 Medicare patients who saw Dr. Cormier in 2024, with an average age of 73.

Show 7 more questionsShow fewer questions

Is Dr. Clay Anthony Cormier board certified?

Yes. Dr. Cormier is board certified in emergency medicine by the American Board of Emergency Medicine.

What services does Dr. Clay Anthony Cormier bill to Medicare?

In 2024, Dr. Cormier's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93042).

Where did Dr. Clay Anthony Cormier go to medical school?

Dr. Cormier graduated from David Geffen School of Medicine at UCLA in 1992.

What drugs does Dr. Clay Anthony Cormier prescribe most?

In 2024 Medicare Part D data, Dr. Cormier's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Ondansetron ODT and Prednisone.

Has Dr. Clay Anthony Cormier received payments from drug or device companies?

CMS Open Payments shows $251 in general payments to Dr. Cormier from 4 companies from 2016 to 2021. The largest total came from Grifols Shared Services North America, Inc.

How long has Dr. Clay Anthony Cormier been practicing?

Dr. Cormier graduated from medical school in 1992, 34 years ago.

What insurance does Dr. Clay Anthony Cormier accept?

Dr. Cormier is in network with 1 carrier, including Molina. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.

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