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Dr. William S. Hamra, MD
NPI1134445596PAC ID4082856927
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $148
- Medical groups
- 3
- Insurance carriers
- 14
- Practice address
- 6405 Day St, Riverside, CA 92507
- Practice phone
- Call (951) 683-6370
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Riverside Medical Clinic - Moreno Valley
Riverside, California
Find Dr. Hamra'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. William S. Hamra is a pediatrician in Riverside, California
Dr. Hamra practices at Riverside Medical Clinic - Moreno Valley in Riverside, California.
Dr. Hamra's NPI, 1134445596, was assigned on April 10, 2010. Dr. Hamra graduated from Loma Linda University School Of Medicine in 2010. Dr. Hamra holds California license A120675.
NPI and contact details
- NPI
- 1134445596NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082856927
- NPI enumeration date
- April 10, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (951) 683-6370
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William S. Hamra practices at Riverside Medical Clinic - Moreno Valley in Riverside, California
Dr. Hamra's primary practice is Riverside Medical Clinic - Moreno Valley, at 6405 Day St, Riverside, CA 92507 in Riverside County. The practice phone is (951) 683-6370.
- Riverside Medical Clinic - Moreno Valley6405 Day St, Riverside, CA 92507 · Riverside CountyPhone(951) 683-6370
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. William S. Hamra is affiliated with 3 sites of care and 3 medical groups
Dr. Hamra's primary practice is Riverside Medical Clinic - Moreno Valley in Riverside, California. Dr. Hamra is also affiliated with Loma Linda University Medical Center. The medical group on file is Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI also links Dr. Hamra to 2 more medical groups and 1 group practice or clinic, each named with a free account.
Riverside Medical Clinic - Moreno ValleyPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William S. Hamra's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hamra practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverside Medical Clinic - Moreno Valley | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. William S. Hamra is one of 8,236 pediatricians in California
Pediatrics is Dr. Hamra's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Hamra is board certified in pediatrics by the American Board of Pediatrics. Dr. Hamra is licensed in California.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
Pediatricians near Dr. Hamra
Counts of pediatricians 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. William S. Hamra's patients have a median age of 9
Across all payers, Dmand AI patient panel data puts Dr. Hamra's median patient age at 9, with 46% women.
Dr. Hamra's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 9
Patient panel by sex, all payers
- Women46%
- Men54%
Source: Dmand AI Patient Panel Data
How Dr. William S. Hamra takes part in Medicare
Dr. Hamra 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)
Dr. William S. Hamra has 1 publication on record
Dmand AI links 1 paper to Dr. Hamra in 2020.
Papers1
Recent publications by Dr. Hamra
See who Dr. Hamra researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hamra works with, so you can find a warm path to the right pediatricians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. William S. Hamra received $148 in industry payments from 2023 to 2025
CMS Open Payments shows 7 general payments to Dr. Hamra from 5 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Sanofi Pasteur Inc. paid the most, $46.
General payments to Dr. Hamra by program year, 2023 to 2025
Companies that paid Dr. Hamra the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William S. Hamra graduated from Loma Linda University School Of Medicine
Dr. Hamra graduated from Loma Linda University School Of Medicine in 2010.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. William S. Hamra accepts plans from 14 insurance carriers
Dr. Hamra is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Molina
- Regence Health Plans
- +6 more carriersWith a free account
Plan types Dr. Hamra accepts, by number of carriers
- PPO9
- Medicare8
- HMO7
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. William S. Hamra'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. William S. Hamra
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. William S. Hamra's NPI number?
Dr. William S. Hamra's NPI number is 1134445596. It was assigned on April 10, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. William S. Hamra?
Dr. William S. Hamra is a pediatrician in Riverside, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. William S. Hamra practice?
Dr. Hamra practices at 6405 Day St, Riverside, CA 92507. Dr. Hamra's primary practice is Riverside Medical Clinic - Moreno Valley in Riverside, California. Dmand AI also links Dr. Hamra to 2 medical groups and 1 group practice or clinic.
What is Dr. William S. Hamra's office phone number?
The practice phone on file for Dr. Hamra is (951) 683-6370.
What is Dr. William S. Hamra's medical license number?
Dr. Hamra holds California license A120675.
Which hospitals is Dr. William S. Hamra affiliated with?
Dr. Hamra is affiliated with Loma Linda University Medical Center.
What medical group is Dr. William S. Hamra part of?
Dr. Hamra is linked to Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI links Dr. Hamra to 2 more medical groups.
Does Dr. William S. Hamra accept Medicare?
Yes. CMS lists Dr. Hamra as accepting Medicare assignment.
Is Dr. William S. Hamra board certified?
Yes. Dr. Hamra is board certified in pediatrics by the American Board of Pediatrics.
Where did Dr. William S. Hamra go to medical school?
Dr. Hamra graduated from Loma Linda University School Of Medicine in 2010.
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Has Dr. William S. Hamra received payments from drug or device companies?
CMS Open Payments shows $148 in general payments to Dr. Hamra from 5 companies from 2023 to 2025. The largest total came from Sanofi Pasteur Inc.
How long has Dr. William S. Hamra been practicing?
Dr. Hamra graduated from medical school in 2010, 16 years ago.
Does Dr. William S. Hamra do research?
Dmand AI links 1 publication to Dr. Hamra.
What insurance does Dr. William S. Hamra accept?
Dr. Hamra is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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