Dr. Umer Hayyat, MD
- Medicare services, 2024
- 434
- Medicare patients, 2024
- 175
- Part D claims, 2024
- 281
- Hospital affiliations
- 2
- Industry payments
- $1,069
- Practice address
- 7901 Frost St, San Diego, CA 92123
- Practice phone
- Call (858) 939-3400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hayyat's professional email, personal email and mobile number
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Dr. Umer Hayyat is an internist in San Diego, California
Dr. Hayyat practices at Sharp Memorial Hospital in San Diego, California, part of Sharp HealthCare.
Dr. Hayyat's NPI, 1851812499, was assigned on July 5, 2017. Dr. Hayyat holds California license A169544.
- NPI
- 1851812499NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375879224
- NPI enumeration date
- July 5, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (858) 939-3400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Umer Hayyat practices at Sharp Memorial Hospital in San Diego, California
Dr. Hayyat's primary practice is Sharp Memorial Hospital, at 7901 Frost St, San Diego, CA 92123 in San Diego County. The practice phone is (858) 939-3400.
- Sharp Memorial Hospital7901 Frost St, San Diego, CA 92123 · San Diego CountyPhone(858) 939-3400
Source: Dmand AI Affiliation Data
Dr. Umer Hayyat is affiliated with 2 sites of care and 11 medical groups
Dr. Hayyat's primary practice is Sharp Memorial Hospital in San Diego, California, part of Sharp HealthCare. Dr. Hayyat is also affiliated with Adventist Health Hanford. The medical group on file is FocusHealth. Dmand AI also links Dr. Hayyat to 10 more medical groups, 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. Umer Hayyat's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hayyat practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sharp Memorial Hospital | Available with a free account |
| +1 more site and 10 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Sharp HealthCare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Umer Hayyat is one of 16,751 internists in California
Internal medicine is Dr. Hayyat's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Hayyat's licenses on file in 2 states: California and Virginia.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Virginia license
Internists near Dr. Hayyat
Counts of internists 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. Umer Hayyat billed Medicare for 434 services in 2024
CMS data shows 434 Medicare services from Dr. Hayyat across 7 procedure codes in 2024, for 175 Medicare patients. Medicare paid $35,868 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hayyat's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8662024: 43450%
Dr. Hayyat compared with the California median for internists, 2024
- Dr. Hayyat
- California median
- Medicare services
- 434vs 36120% above
- Medicare patients
- 175vs 15116% above
- Part D claims
- 93vs 42178% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Hayyat'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. Umer Hayyat treated 175 Medicare patients in 2024, average age 76
CMS counts 175 Medicare patients who saw Dr. Hayyat in 2024. The largest group is 65 to 74, with 56 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 53% are also on Medicaid. Their average risk score is 2.65, 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. Hayyat's median patient age at 65, with 50% women.
Dr. Hayyat's Medicare patients by age, 2024
Dr. Hayyat's Medicare patients by sex, 2024
- Women9655%
- Men7945%
Chronic conditions among Dr. Hayyat's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Heart failure49%
- Ischemic heart disease48%
- Diabetes47%
- Chronic kidney disease44%
- Mood disorders40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hayyat's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Umer Hayyat wrote 281 Medicare Part D claims in 2024
In 2024, Dr. Hayyat wrote 281 Medicare Part D claims for 113 patients. 90% of them were for generic drugs. CMS names the drug for 93 of them, across 6 drugs with 11 or more claims each, at $889 in total drug cost. In 2023, CMS named 15 claims across 1 drug.
Dr. Hayyat's Part D claims by kind of drug, 2024
- Generic254 claims90%
- Brand-name27 claims10%
Dr. Hayyat'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. Hayyat's Part D claims, 2024
- Opioids9%24 of 281 claims
- Antibiotics28%79 of 281 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: 152024: 93520%
Drugs named by CMS: 6 in 2024, 1 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
How Dr. Umer Hayyat takes part in Medicare
Dr. Hayyat accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Umer Hayyat received $1,069 in industry payments from 2017 to 2025
CMS Open Payments shows 26 general payments to Dr. Hayyat from 16 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Actelion Pharmaceuticals US, Inc. paid the most, $149.
General payments to Dr. Hayyat by program year, 2017 to 2025
Companies that paid Dr. Hayyat the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Umer Hayyat'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Umer Hayyat
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. Umer Hayyat's NPI number?
Dr. Umer Hayyat's NPI number is 1851812499. It was assigned on July 5, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Umer Hayyat?
Dr. Umer Hayyat is an internist in San Diego, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Umer Hayyat practice?
Dr. Hayyat practices at 7901 Frost St, San Diego, CA 92123. Dr. Hayyat's primary practice is Sharp Memorial Hospital in San Diego, California, part of Sharp HealthCare. Dmand AI also links Dr. Hayyat to 10 medical groups.
What is Dr. Umer Hayyat's office phone number?
The practice phone on file for Dr. Hayyat is (858) 939-3400.
What is Dr. Umer Hayyat's medical license number?
Dr. Hayyat holds California license A169544, one of the licenses on file in 2 states.
Which states has Dr. Umer Hayyat been licensed in?
Dmand AI has state licenses on file for Dr. Hayyat in California and Virginia.
Which hospitals is Dr. Umer Hayyat affiliated with?
Dr. Hayyat practices at Sharp Memorial Hospital in San Diego, California. Dr. Hayyat is also affiliated with Adventist Health Hanford.
What medical group is Dr. Umer Hayyat part of?
Dr. Hayyat is linked to FocusHealth. Dmand AI links Dr. Hayyat to 10 more medical groups.
Does Dr. Umer Hayyat accept Medicare?
Yes. CMS data shows Dr. Hayyat billed Medicare for 434 services in 2024, and Dr. Hayyat accepts Medicare assignment.
How many Medicare patients does Dr. Umer Hayyat see?
CMS counts 175 Medicare patients who saw Dr. Hayyat in 2024, with an average age of 76.
Show 4 more questionsShow fewer questions
What services does Dr. Umer Hayyat bill to Medicare?
In 2024, Dr. Hayyat's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and hospital inpatient care (99239).
What drugs does Dr. Umer Hayyat prescribe most?
In 2024 Medicare Part D data, Dr. Hayyat's most prescribed drugs by claims were Cefuroxime, Pantoprazole Sodium and Albuterol Sulfate Hfa.
Has Dr. Umer Hayyat received payments from drug or device companies?
CMS Open Payments shows $1,069 in general payments to Dr. Hayyat from 16 companies from 2017 to 2025. The largest total came from Actelion Pharmaceuticals US, Inc.
How long has Dr. Umer Hayyat been practicing?
Dr. Hayyat graduated from medical school in 2012, 14 years ago.
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