Dr. Alexander E. Ayala, MD, MPH
- Medicare services, 2024
- 31
- Medicare patients, 2024
- 37
- Part D claims, 2024
- 142
- Hospital affiliations
- 3
- Medical groups
- 3
- Practice address
- 751 South Bascom Avenue, San Jose, CA 95128
- Practice phone
- Call (408) 885-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Alexander E. Ayala is an emergency medicine physician in San Jose, California
Dr. Ayala practices at Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA.
Dr. Ayala's NPI, 1396262549, was assigned on August 28, 2017. Dr. Ayala graduated from Northwestern University Feinberg Medical School in 2021. Dr. Ayala holds California license A194701.
- NPI
- 1396262549NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628515277
- NPI enumeration date
- August 28, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 885-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alexander E. Ayala practices at Santa Clara Valley Medical Center in San Jose, California
Dr. Ayala's primary practice is Santa Clara Valley Medical Center, at 751 South Bascom Avenue, San Jose, CA 95128 in Santa Clara County. The practice phone is (408) 885-5000.
- Santa Clara Valley Medical Center751 South Bascom Avenue, San Jose, CA 95128 · Santa Clara CountyPhone(408) 885-5000
Source: Dmand AI Affiliation Data
Dr. Alexander E. Ayala is affiliated with 5 sites of care and 3 medical groups
Dr. Ayala's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. Dr. Ayala is also affiliated with Adventist Health Ukiah Valley. The medical group on file is Emergency Physicians Associates. Dmand AI also links Dr. Ayala to 1 more hospital, 2 medical groups, 1 community health center and 1 hospice, 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. Alexander E. Ayala's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ayala practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Clara Valley Medical Center | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alexander E. Ayala is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Ayala's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Ayala is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Ayala
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. Alexander E. Ayala billed Medicare for 31 services in 2024
CMS data shows 31 Medicare services from Dr. Ayala across 2 procedure codes in 2024, for 37 Medicare patients. Medicare paid $2,755 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ayala's Medicare services by type, 2024
- Office and hospital visits20
- Tests and treatments11
Dr. Ayala compared with the California median for emergency medicine physicians, 2024
- Dr. Ayala
- California median
- Medicare services
- 31vs 26588% below
- Medicare patients
- 37vs 24385% below
- Part D claims
- 11vs 6282% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Ayala'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. Alexander E. Ayala treated 37 Medicare patients in 2024, average age 69
CMS counts 37 Medicare patients who saw Dr. Ayala in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have high blood pressure, and 57% have high cholesterol. 62% are also on Medicaid. Their average risk score is 1.50, 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. Ayala's median patient age at 44, with 50% women.
Dr. Ayala's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ayala's Medicare patients by sex, 2024
- Women2568%
- Men1232%
Chronic conditions among Dr. Ayala's Medicare patients, 2024
- High blood pressure75%
- High cholesterol57%
- Anxiety46%
- Arthritis46%
- Diabetes46%
- Mood disorders38%
- Depression35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ayala's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alexander E. Ayala wrote 142 Medicare Part D claims in 2024
In 2024, Dr. Ayala wrote 142 Medicare Part D claims for 38 patients. 83% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $84 in total drug cost.
Dr. Ayala's Part D claims by kind of drug, 2024
- Generic118 claims83%
- Brand-name and other24 claims17%
Dr. Ayala'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.
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. Alexander E. Ayala takes part in Medicare
Dr. Ayala 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. Alexander E. Ayala graduated from Northwestern University Feinberg Medical School
Dr. Ayala graduated from Northwestern University Feinberg Medical School in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alexander E. Ayala'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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Alexander E. Ayala
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. Alexander E. Ayala's NPI number?
Dr. Alexander E. Ayala's NPI number is 1396262549. It was assigned on August 28, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexander E. Ayala?
Dr. Alexander E. Ayala is an emergency medicine physician in San Jose, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Alexander E. Ayala practice?
Dr. Ayala practices at 751 South Bascom Avenue, San Jose, CA 95128. Dr. Ayala's primary practice is Santa Clara Valley Medical Center in San Jose, California, part of County of Santa Clara, CA. Dmand AI also links Dr. Ayala to 1 hospital, 2 medical groups, 1 community health center and 1 hospice.
What is Dr. Alexander E. Ayala's office phone number?
The practice phone on file for Dr. Ayala is (408) 885-5000.
What is Dr. Alexander E. Ayala's medical license number?
Dr. Ayala holds California license A194701.
Which hospitals is Dr. Alexander E. Ayala affiliated with?
Dr. Ayala practices at Santa Clara Valley Medical Center in San Jose, California. Dr. Ayala is also affiliated with Adventist Health Ukiah Valley. Dmand AI links Dr. Ayala to 1 more hospital.
What medical group is Dr. Alexander E. Ayala part of?
Dr. Ayala is linked to Emergency Physicians Associates. Dmand AI links Dr. Ayala to 2 more medical groups.
Does Dr. Alexander E. Ayala accept Medicare?
Yes. CMS data shows Dr. Ayala billed Medicare for 31 services in 2024, and Dr. Ayala accepts Medicare assignment.
How many Medicare patients does Dr. Alexander E. Ayala see?
CMS counts 37 Medicare patients who saw Dr. Ayala in 2024, with an average age of 69.
What services does Dr. Alexander E. Ayala bill to Medicare?
In 2024, Dr. Ayala's most billed Medicare services were emergency department visit (99285) and heart test or procedure (93010).
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Where did Dr. Alexander E. Ayala go to medical school?
Dr. Ayala graduated from Northwestern University Feinberg Medical School in 2021.
What drugs does Dr. Alexander E. Ayala prescribe most?
In 2024 Medicare Part D data, Dr. Ayala's most prescribed drugs by claims were Clopidogrel.
How long has Dr. Alexander E. Ayala been practicing?
Dr. Ayala graduated from medical school in 2021, 5 years ago.
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