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Dr. Brian J. Clay, MD
- Medicare services, 2024
- 95
- Medicare patients, 2024
- 40
- Part D claims, 2024
- 48
- Publications
- 30
- MIPS score, 2024
- 91
- Practice address
- 200 W Arbor Dr, San Diego, CA 92103
- Practice phone
- Call (619) 543-6222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
UCSD Hillcrest Medical Center
San Diego, California
Find Dr. Clay'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. Brian J. Clay is a hospitalist in San Diego, California
Dr. Clay practices at UCSD Hillcrest Medical Center in San Diego, California.
Dr. Clay's NPI, 1831124635, was assigned on July 11, 2006. Dr. Clay graduated from UC San Diego School of Medicine in 2000. Dr. Clay holds California license A83799.
- NPI
- 1831124635NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3173715281
- NPI enumeration date
- July 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (619) 543-6222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brian J. Clay practices at UCSD Hillcrest Medical Center in San Diego, California
Dr. Clay's primary practice is UCSD Hillcrest Medical Center, at 200 W Arbor Dr, San Diego, CA 92103 in San Diego County. The practice phone is (619) 543-6222.
- UCSD Hillcrest Medical Center200 W Arbor Dr, San Diego, CA 92103 · San Diego CountyPhone(619) 543-6222
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Brian J. Clay is affiliated with 3 sites of care and 1 medical group
Dr. Clay's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dr. Clay is also affiliated with Hillcrest Medical Center. The medical group on file is UC San Diego Health. Dmand AI also links Dr. Clay to 1 more hospital, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Brian J. Clay's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Clay practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSD Hillcrest Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brian J. Clay is one of 3,186 hospitalists in California
Hospitalist is Dr. Clay's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Clay is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Clay's licenses on file in 2 states: California and Tennessee.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
- Tennessee license
Clinical focus
Dmand AI lists acute respiratory failure, bile duct problems, electrolyte disorders and sepsis among the conditions Dr. Clay treats.
Hospitalists near Dr. Clay
Counts of hospitalists 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. Brian J. Clay billed Medicare for 95 services in 2024
CMS data shows 95 Medicare services from Dr. Clay across 3 procedure codes in 2024, for 40 Medicare patients. Medicare paid $7,473 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Clay's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1262024: 9525%
Dr. Clay compared with the California median for hospitalists, 2024
- Dr. Clay
- California median
- Medicare services
- 95vs 43078% below
- Medicare patients
- 40vs 20180% below
Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.
Dr. Clay'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Clay and other hospitalists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brian J. Clay treated 40 Medicare patients in 2024, average age 70
CMS counts 40 Medicare patients who saw Dr. Clay in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 55% are also on Medicaid. Their average risk score is 3.29, 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. Clay's median patient age at 53, with 62% women.
Dr. Clay's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Clay's Medicare patients by sex, 2024
- Women1128%
- Men2973%
Chronic conditions among Dr. Clay's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis60%
- Heart failure58%
- Diabetes55%
- Mood disorders53%
- Chronic kidney disease48%
- Depression48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Clay's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brian J. Clay wrote 48 Medicare Part D claims in 2024
In 2024, Dr. Clay wrote 48 Medicare Part D claims for 18 patients. 85% of them were for generic drugs.
Dr. Clay's Part D claims by kind of drug, 2024
- Generic41 claims85%
- Brand-name and other7 claims15%
Drug classes CMS tracks in Dr. Clay's Part D claims, 2024
- Antibiotics33%16 of 48 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Brian J. Clay scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Clay for performance year 2024, reported as part of a group. Dr. Clay accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Clay's MIPS scores, performance year 2024
- 91of 100Final score
- 84.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 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. Brian J. Clay has 30 publications on record
Dmand AI links 30 papers to Dr. Clay, published from 2014 to 2024. 2017 was the busiest year, with 2. The most frequent topics are Electronic Health Records, COVID-19 and Decision Support Systems, Clinical. Dr. Clay has published most often in Appl Clin Inform. Dr. Clay's most frequent co-authors are Christopher A. Longhurst, MD, Nicole Hamilton Goldhaber and Marlene May Millen, MD.
Dr. Clay's papers by year, 2014 to 2024
Topics Dr. Clay writes about most
- Electronic Health Records
- COVID-19
- Decision Support Systems, Clinical
- Physicians
- Academic Medical Centers
- Pandemics
- Telemedicine
- California
Dr. Clay's most frequent co-authors
- Christopher A. Longhurst, MD18 shared papers
- Nicole Hamilton Goldhaber4 shared papers
- Marlene May Millen, MD4 shared papers
Recent publications by Dr. Clay
Appl Clin Inform
Appl Clin Inform
Yearb Med Inform
See who Dr. Clay researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Clay works with, so you can find a warm path to the right hospitalists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Brian J. Clay received $21 in industry payments in 2020
CMS Open Payments shows 1 general payment to Dr. Clay from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $21.
Companies that paid Dr. Clay the most, 2020 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Brian J. Clay has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Clay, most recently Faculty Teaching Award, Medicine 401 Core Clerkship in 2010. Dr. Clay serves on IT Committee Society of Hospital Medicine.
Awards and honors for Dr. Clay
- 2010
- Faculty Teaching Award, Medicine 401 Core Clerkship
- 2009
- Nominee, Kaiser Excellence in Teaching Award
- 2008
- Faculty Teaching Award, Internal Medicine Residency Program
Dr. Clay's committees and leadership roles
- IT Committee Society of Hospital MedicineMember
- 2008 to present
Source: Dmand AI Professional Profile Data
Dr. Brian J. Clay graduated from UC San Diego School of Medicine
Dr. Clay graduated from UC San Diego School of Medicine in 2000. Dr. Clay is a member of ACP.
- Medical school
- Board certified in internal medicine
- Board certified in clinical informatics
Source: Dmand AI Professional Profile Data
Dr. Brian J. Clay accepts plans from 14 insurance carriers
Dr. Clay is in network with 14 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
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
- +6 more carriersWith a free account
Plan types Dr. Clay accepts, by number of carriers
- Medicare9
- PPO9
- HMO6
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Brian J. Clay'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 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 (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 |
| 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. Brian J. Clay
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. Brian J. Clay's NPI number?
Dr. Brian J. Clay's NPI number is 1831124635. It was assigned on July 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian J. Clay?
Dr. Brian J. Clay is a hospitalist in San Diego, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Brian J. Clay practice?
Dr. Clay practices at 200 W Arbor Dr, San Diego, CA 92103. Dr. Clay's primary practice is UCSD Hillcrest Medical Center in San Diego, California. Dmand AI also links Dr. Clay to 1 hospital.
What is Dr. Brian J. Clay's office phone number?
The practice phone on file for Dr. Clay is (619) 543-6222.
What is Dr. Brian J. Clay's medical license number?
Dr. Clay holds California license A83799, one of the licenses on file in 2 states.
Which states has Dr. Brian J. Clay been licensed in?
Dmand AI has state licenses on file for Dr. Clay in California (2003 to 2027) and Tennessee (2002 to 2004).
Which hospitals is Dr. Brian J. Clay affiliated with?
Dr. Clay is affiliated with Hillcrest Medical Center. Dmand AI links Dr. Clay to 1 more hospital.
What medical group is Dr. Brian J. Clay part of?
Dr. Clay is linked to UC San Diego Health.
Does Dr. Brian J. Clay accept Medicare?
Yes. CMS data shows Dr. Clay billed Medicare for 95 services in 2024, and Dr. Clay accepts Medicare assignment.
What is Dr. Brian J. Clay's MIPS score?
Dr. Clay's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
Show 9 more questionsShow fewer questions
How many Medicare patients does Dr. Brian J. Clay see?
CMS counts 40 Medicare patients who saw Dr. Clay in 2024, with an average age of 70.
Is Dr. Brian J. Clay board certified?
Yes. Dr. Clay is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Brian J. Clay bill to Medicare?
In 2024, Dr. Clay's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99238).
Where did Dr. Brian J. Clay go to medical school?
Dr. Clay graduated from UC San Diego School of Medicine in 2000.
Has Dr. Brian J. Clay received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to Dr. Clay from 1 company from 2020 to 2020. The largest total came from Boston Scientific Corporation.
How long has Dr. Brian J. Clay been practicing?
Dr. Clay graduated from medical school in 2000, 26 years ago.
Does Dr. Brian J. Clay do research?
Dmand AI links 30 publications to Dr. Clay, published from 2014 to 2024.
Who does Dr. Brian J. Clay publish with?
Dr. Clay's most frequent co-authors are Christopher A. Longhurst, MD (18 shared papers), Nicole Hamilton Goldhaber (4 shared papers) and Marlene May Millen, MD (4 shared papers).
What insurance does Dr. Brian J. Clay accept?
Dr. Clay is in network with 14 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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