Dr. Ruth U. De Peralta, MD
- Medicare services, 2024
- 56
- Medicare patients, 2024
- 29
- Part D claims, 2024
- 596
- Hospital affiliations
- 1
- Industry payments
- $415
- Practice address
- 1900 Sullivan Avenue, Daly City, CA 94015
- Practice phone
- Call (650) 992-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. De Peralta'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. Ruth U. De Peralta is a psychiatrist in Daly City, California
Dr. De Peralta practices at AHMC Seton Medical Center in Daly City, California, part of AHMC Healthcare.
Dr. De Peralta's NPI, 1093839813, was assigned on March 19, 2007. Dr. De Peralta graduated from Far Eastern University Nicanor Reyes Medical Foundation in 1965. Dr. De Peralta holds California license A41727.
- NPI
- 1093839813NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476590407
- NPI enumeration date
- March 19, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 992-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 87
- Medical school graduation
- 1965
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ruth U. De Peralta practices at AHMC Seton Medical Center in Daly City, California
Dr. De Peralta's primary practice is AHMC Seton Medical Center, at 1900 Sullivan Avenue, Daly City, CA 94015 in San Mateo County. The practice phone is (650) 992-4000.
- AHMC Seton Medical Center1900 Sullivan Avenue, Daly City, CA 94015 · San Mateo CountyPhone(650) 992-4000
Source: Dmand AI Affiliation Data
Dr. Ruth U. De Peralta is affiliated with 2 sites of care and 2 medical groups
Dr. De Peralta's primary practice is AHMC Seton Medical Center in Daly City, California, part of AHMC Healthcare. The medical group on file is San Francisco Public Health Laboratory. Dmand AI also links Dr. De Peralta to 1 more group practice or clinic and 1 medical group, 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. Ruth U. De Peralta's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. De Peralta practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| AHMC Seton 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. Ruth U. De Peralta is one of 6,803 psychiatrists in California
Psychiatry is Dr. De Peralta's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dmand AI has Dr. De Peralta's licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
- Illinois license
Clinical focus
Dmand AI lists bipolar disorder, depression and schizophrenia among the conditions Dr. De Peralta treats.
Psychiatrists near Dr. De Peralta
Counts of psychiatrists 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. Ruth U. De Peralta billed Medicare for 56 services in 2024
CMS data shows 56 Medicare services from Dr. De Peralta across 3 procedure codes in 2024, all of them office visits, for 29 Medicare patients. Medicare paid $2,127 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. De Peralta's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 912024: 5638%
Dr. De Peralta compared with the California median for psychiatrists, 2024
- Dr. De Peralta
- California median
- Medicare services
- 56vs 11953% below
- Medicare patients
- 29vs 4129% below
- Part D claims
- 526vs 1443.7 times
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. De Peralta'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. De Peralta and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ruth U. De Peralta treated 29 Medicare patients in 2024, average age 63
CMS counts 29 Medicare patients who saw Dr. De Peralta in 2024. The largest group is 65 to 74, with 16 patients. 69% of them have schizophrenia and other psychoses, and 62% have high blood pressure. 100% are also on Medicaid. Their average risk score is 1.14, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. De Peralta's median patient age at 65, with 71% women.
Dr. De Peralta's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. De Peralta's Medicare patients by sex, 2024
- Women1655%
- Men1345%
Chronic conditions among Dr. De Peralta's Medicare patients, 2024
- Schizophrenia and other psychoses69%
- High blood pressure62%
- Diabetes48%
- High cholesterol45%
- Mood disorders45%
Share of Medicare patients with each condition. A patient can have several.
Dr. De Peralta'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
- Women71%
- Men29%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ruth U. De Peralta wrote 596 Medicare Part D claims in 2024
In 2024, Dr. De Peralta wrote 596 Medicare Part D claims for 40 patients. 94% of them were for generic drugs. CMS names the drug for 526 of them, across 14 drugs with 11 or more claims each, at $52,280 in total drug cost. In 2023, CMS named 612 claims across 16 drugs.
Dr. De Peralta's Part D claims by kind of drug, 2024
- Generic563 claims94%
- Brand-name33 claims6%
Dr. De Peralta'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. De Peralta's Part D claims, 2024
- Antipsychotics, patients 65 and over25%149 of 596 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: 6122024: 52614%
Drugs named by CMS: 14 in 2024, 16 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. Ruth U. De Peralta takes part in Medicare
Dr. De Peralta 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. Ruth U. De Peralta received $415 in industry payments from 2016 to 2025
CMS Open Payments shows 12 general payments to Dr. De Peralta from 3 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Teva Pharmaceuticals USA, Inc. paid the most, $290.
General payments to Dr. De Peralta by program year, 2016 to 2025
Companies that paid Dr. De Peralta the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ruth U. De Peralta graduated from Far Eastern University Nicanor Reyes Medical Foundation
Dr. De Peralta graduated from Far Eastern University Nicanor Reyes Medical Foundation in 1965.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Ruth U. De Peralta accepts plans from 1 insurance carrier
Dr. De Peralta is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Ruth U. De Peralta'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. Ruth U. De Peralta
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. Ruth U. De Peralta's NPI number?
Dr. Ruth U. De Peralta's NPI number is 1093839813. It was assigned on March 19, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Ruth U. De Peralta?
Dr. Ruth U. De Peralta is a psychiatrist in Daly City, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Ruth U. De Peralta practice?
Dr. De Peralta practices at 1900 Sullivan Avenue, Daly City, CA 94015. Dr. De Peralta's primary practice is AHMC Seton Medical Center in Daly City, California, part of AHMC Healthcare. Dmand AI also links Dr. De Peralta to 1 group practice or clinic and 1 medical group.
What is Dr. Ruth U. De Peralta's office phone number?
The practice phone on file for Dr. De Peralta is (650) 992-4000.
What is Dr. Ruth U. De Peralta's medical license number?
Dr. De Peralta holds California license A41727, one of the licenses on file in 2 states.
Which states has Dr. Ruth U. De Peralta been licensed in?
Dmand AI has state licenses on file for Dr. De Peralta in California (1985 to 2026) and Illinois (1983 to 1987).
Which hospitals is Dr. Ruth U. De Peralta affiliated with?
Dr. De Peralta practices at AHMC Seton Medical Center in Daly City, California.
What medical group is Dr. Ruth U. De Peralta part of?
Dr. De Peralta is linked to San Francisco Public Health Laboratory. Dmand AI links Dr. De Peralta to 1 more medical group.
Does Dr. Ruth U. De Peralta accept Medicare?
Yes. CMS data shows Dr. De Peralta billed Medicare for 56 services in 2024, and Dr. De Peralta accepts Medicare assignment.
How many Medicare patients does Dr. Ruth U. De Peralta see?
CMS counts 29 Medicare patients who saw Dr. De Peralta in 2024, with an average age of 63.
Show 6 more questionsShow fewer questions
What services does Dr. Ruth U. De Peralta bill to Medicare?
In 2024, Dr. De Peralta's most billed Medicare services were office visit, established patient (99212), office visit, established patient (99214) and office visit, established patient (99213).
Where did Dr. Ruth U. De Peralta go to medical school?
Dr. De Peralta graduated from Far Eastern University Nicanor Reyes Medical Foundation in 1965.
What drugs does Dr. Ruth U. De Peralta prescribe most?
In 2024 Medicare Part D data, Dr. De Peralta's most prescribed drugs by claims were Clonazepam, Risperidone and Olanzapine.
Has Dr. Ruth U. De Peralta received payments from drug or device companies?
CMS Open Payments shows $415 in general payments to Dr. De Peralta from 3 companies from 2016 to 2025. The largest total came from Teva Pharmaceuticals USA, Inc.
How long has Dr. Ruth U. De Peralta been practicing?
Dr. De Peralta graduated from medical school in 1965, 61 years ago.
What insurance does Dr. Ruth U. De Peralta accept?
Dr. De Peralta is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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