Dr. Elizabeth M. Perkis, DO
- Medicare services, 2023
- 176
- Medicare patients, 2024
- 19
- Part D claims, 2024
- 141
- Hospital affiliations
- 2
- Industry payments
- $137
- Practice address
- 250 Hospital Parkway, San Jose, CA 95119
- Practice phone
- Call (408) 972-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Perkis' professional email, personal email and mobile number
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Dr. Elizabeth M. Perkis is an emergency medicine physician in San Jose, California
Dr. Perkis practices at San Jose Medical Center in San Jose, California, part of Kaiser Permanente.
Dr. Perkis' NPI, 1376038232, was assigned on June 24, 2018. Dr. Perkis graduated from Kirksville College of Osteopathic Medicine in 2018. Dr. Perkis holds California license 20A20177.
- NPI
- 1376038232NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840603023
- NPI enumeration date
- June 24, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 972-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Elizabeth M. Perkis practices at San Jose Medical Center in San Jose, California
Dr. Perkis' primary practice is San Jose Medical Center, at 250 Hospital Parkway, San Jose, CA 95119 in Santa Clara County. The practice phone is (408) 972-7000.
- San Jose Medical Center250 Hospital Parkway, San Jose, CA 95119 · Santa Clara CountyPhone(408) 972-7000
Source: Dmand AI Affiliation Data
Dr. Elizabeth M. Perkis is affiliated with 2 sites of care and 2 medical groups
Dr. Perkis' primary practice is San Jose Medical Center in San Jose, California, part of Kaiser Permanente. Dr. Perkis is also affiliated with Regional Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Perkis to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Elizabeth M. Perkis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Perkis practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Jose Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Elizabeth M. Perkis is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Perkis' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Perkis is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Perkis' licenses on file in 2 states: California and Michigan.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- Michigan license
Emergency medicine physicians near Dr. Perkis
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. Elizabeth M. Perkis billed Medicare for 176 services in 2023
CMS data shows 176 Medicare services from Dr. Perkis across 3 procedure codes in 2023, for 19 Medicare patients. Medicare paid $26,619 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Perkis' Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 642023: 176175%
Dr. Perkis compared with the California median for emergency medicine physicians, 2023
- Dr. Perkis
- California median
- Medicare services
- 176vs 26534% below
- Medicare patients
- 19vs 24392% below
- Part D claims
- 36vs 6242% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Perkis' most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Perkis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Perkis and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Elizabeth M. Perkis treated 19 Medicare patients in 2024, average age 65
CMS counts 19 Medicare patients who saw Dr. Perkis in 2024. 75% of them have high blood pressure, and 63% have high cholesterol. Their average risk score is 3.68, 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. Perkis' median patient age at 39, with 53% women.
Chronic conditions among Dr. Perkis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol63%
Share of Medicare patients with each condition. A patient can have several.
Dr. Perkis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Elizabeth M. Perkis wrote 141 Medicare Part D claims in 2024
In 2024, Dr. Perkis wrote 141 Medicare Part D claims for 90 patients. 90% of them were for generic drugs. CMS names the drug for 36 of them, across 2 drugs with 11 or more claims each, at $288 in total drug cost. In 2023, CMS named 30 claims across 2 drugs.
Dr. Perkis' Part D claims by kind of drug, 2024
- Generic127 claims90%
- Brand-name14 claims10%
Dr. Perkis' 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. Perkis' Part D claims, 2024
- Opioids13%19 of 141 claims
- Antibiotics22%31 of 141 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: 302024: 3620%
Drugs named by CMS: 2 in 2024, 2 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. Elizabeth M. Perkis takes part in Medicare
Dr. Perkis 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. Elizabeth M. Perkis received $137 in industry payments from 2019 to 2022
CMS Open Payments shows 2 general payments to Dr. Perkis from 2 drug and device companies from 2019 to 2022. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $125.
General payments to Dr. Perkis by program year, 2019 to 2022
Companies that paid Dr. Perkis the most, 2019 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Elizabeth M. Perkis graduated from Kirksville College of Osteopathic Medicine
Dr. Perkis graduated from Kirksville College of Osteopathic Medicine in 2018.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Elizabeth M. Perkis accepts plans from 4 insurance carriers
Dr. Perkis is in network with 4 carriers, including Kaiser Permanente, United Healthcare and CMS Medicare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Kaiser Permanente
- United Healthcare
- CMS Medicare
- Priority Health
Plan types Dr. Perkis accepts, by number of carriers
- HMO2
- Medicare2
- POS2
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Elizabeth M. Perkis'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) |
| 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. Elizabeth M. Perkis
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. Elizabeth M. Perkis' NPI number?
Dr. Elizabeth M. Perkis' NPI number is 1376038232. It was assigned on June 24, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Elizabeth M. Perkis?
Dr. Elizabeth M. Perkis 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. Elizabeth M. Perkis practice?
Dr. Perkis practices at 250 Hospital Parkway, San Jose, CA 95119. Dr. Perkis' primary practice is San Jose Medical Center in San Jose, California, part of Kaiser Permanente. Dmand AI also links Dr. Perkis to 1 medical group.
What is Dr. Elizabeth M. Perkis' office phone number?
The practice phone on file for Dr. Perkis is (408) 972-7000.
What is Dr. Elizabeth M. Perkis' medical license number?
Dr. Perkis holds California license 20A20177, one of the licenses on file in 2 states.
Which states has Dr. Elizabeth M. Perkis been licensed in?
Dmand AI has state licenses on file for Dr. Perkis in California (2022 to 2026) and Michigan (2019 to 2028).
Which hospitals is Dr. Elizabeth M. Perkis affiliated with?
Dr. Perkis practices at San Jose Medical Center in San Jose, California. Dr. Perkis is also affiliated with Regional Medical Center.
What medical group is Dr. Elizabeth M. Perkis part of?
Dr. Perkis is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Perkis to 1 more medical group.
Does Dr. Elizabeth M. Perkis accept Medicare?
Yes. CMS data shows Dr. Perkis billed Medicare for 176 services in 2023, and Dr. Perkis accepts Medicare assignment.
How many Medicare patients does Dr. Elizabeth M. Perkis see?
CMS counts 19 Medicare patients who saw Dr. Perkis in 2024, with an average age of 65.
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Is Dr. Elizabeth M. Perkis board certified?
Yes. Dr. Perkis is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Elizabeth M. Perkis bill to Medicare?
In 2023, Dr. Perkis' most billed Medicare services were emergency department visit (99285), critical care (99291) and emergency department visit (99284).
Where did Dr. Elizabeth M. Perkis go to medical school?
Dr. Perkis graduated from Kirksville College of Osteopathic Medicine in 2018.
What drugs does Dr. Elizabeth M. Perkis prescribe most?
In 2024 Medicare Part D data, Dr. Perkis' most prescribed drugs by claims were Ondansetron ODT and Cefadroxil.
Has Dr. Elizabeth M. Perkis received payments from drug or device companies?
CMS Open Payments shows $137 in general payments to Dr. Perkis from 2 companies from 2019 to 2022. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. Elizabeth M. Perkis been practicing?
Dr. Perkis graduated from medical school in 2018, 8 years ago.
What insurance does Dr. Elizabeth M. Perkis accept?
Dr. Perkis is in network with 4 carriers, including Kaiser Permanente, United Healthcare and CMS Medicare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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