Dr. Ulysses Herrera, MD
- Medicare patients, 2024
- 14
- Part D claims, 2024
- 6,028
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Practice address
- 10800 Magnolia Avenue, Riverside, CA 92505
- Practice phone
- Call (951) 353-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Herrera'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. Ulysses Herrera is a family medicine physician in Riverside, California
Dr. Herrera practices at Riverside Medical Center in Riverside, California, part of Kaiser Permanente.
Dr. Herrera's NPI, 1588931455, was assigned on November 21, 2011. Dr. Herrera holds California license A128572.
- NPI
- 1588931455NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860623782
- NPI enumeration date
- November 21, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (951) 353-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ulysses Herrera practices at Riverside Medical Center in Riverside, California
Dr. Herrera's primary practice is Riverside Medical Center, at 10800 Magnolia Avenue, Riverside, CA 92505 in Riverside County. The practice phone is (951) 353-2000.
- Riverside Medical Center10800 Magnolia Avenue, Riverside, CA 92505 · Riverside CountyPhone(951) 353-2000
Source: Dmand AI Affiliation Data
Dr. Ulysses Herrera is affiliated with 1 site of care and 2 medical groups
Dr. Herrera's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Herrera 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. Ulysses Herrera's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Herrera practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverside Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ulysses Herrera is one of 15,680 family medicine physicians in California
Family medicine is Dr. Herrera's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Herrera is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Family medicine physicians near Dr. Herrera
Counts of family 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. Ulysses Herrera treated 14 Medicare patients in 2024, average age 70
CMS counts 14 Medicare patients who saw Dr. Herrera in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 1.37, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Herrera's median patient age at 53, with 47% women.
Dr. Herrera's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Herrera'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
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ulysses Herrera wrote 6,028 Medicare Part D claims in 2024
In 2024, Dr. Herrera wrote 6,028 Medicare Part D claims for 580 patients. 89% of them were for generic drugs. CMS names the drug for 5,474 of them, across 97 drugs with 11 or more claims each, at $290,900 in total drug cost. In 2023, CMS named 5,271 claims across 91 drugs.
Dr. Herrera's Part D claims by kind of drug, 2024
- Generic5,347 claims89%
- Brand-name564 claims9%
- Other117 claims2%
Dr. Herrera'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. Herrera's Part D claims, 2024
- Opioids5%306 of 6,028 claims
- Antibiotics3%151 of 6,028 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: 5,2712024: 5,4744%
Drugs named by CMS: 97 in 2024, 91 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. Ulysses Herrera takes part in Medicare
Dr. Herrera 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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Sources for Dr. Ulysses Herrera'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 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) |
| 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. Ulysses Herrera
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. Ulysses Herrera's NPI number?
Dr. Ulysses Herrera's NPI number is 1588931455. It was assigned on November 21, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Ulysses Herrera?
Dr. Ulysses Herrera is a family medicine physician in Riverside, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Ulysses Herrera practice?
Dr. Herrera practices at 10800 Magnolia Avenue, Riverside, CA 92505. Dr. Herrera's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente. Dmand AI also links Dr. Herrera to 1 medical group.
What is Dr. Ulysses Herrera's office phone number?
The practice phone on file for Dr. Herrera is (951) 353-2000.
What is Dr. Ulysses Herrera's medical license number?
Dr. Herrera holds California license A128572.
Which hospitals is Dr. Ulysses Herrera affiliated with?
Dr. Herrera practices at Riverside Medical Center in Riverside, California.
What medical group is Dr. Ulysses Herrera part of?
Dr. Herrera is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Herrera to 1 more medical group.
Does Dr. Ulysses Herrera accept Medicare?
Yes. CMS lists Dr. Herrera as accepting Medicare assignment.
How many Medicare patients does Dr. Ulysses Herrera see?
CMS counts 14 Medicare patients who saw Dr. Herrera in 2024, with an average age of 70.
What drugs does Dr. Ulysses Herrera prescribe most?
In 2024 Medicare Part D data, Dr. Herrera's most prescribed drugs by claims were Atorvastatin Calcium, Rosuvastatin Calcium and Amlodipine Besylate.
How long has Dr. Ulysses Herrera been practicing?
Dr. Herrera graduated from medical school in 2009, 17 years ago.
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