Robert A. Fierro, PA
- Part D claims, 2024
- 195
- Industry payments
- $14
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 9965 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente - Fontana Medical Center
Fontana, California
Find Robert Fierro'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.
Robert A. Fierro is a physician assistant in Fontana, California
Robert Fierro practices at Kaiser Permanente - Fontana Medical Center in Fontana, California.
Robert Fierro's NPI, 1497871644, was assigned on March 21, 2007. Robert Fierro holds California license PA15043.
- NPI
- 1497871644NPI Registry (opens in a new tab)
- NPI enumeration date
- March 21, 2007
- NPI status
- Active
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Robert A. Fierro practices at Kaiser Permanente - Fontana Medical Center in Fontana, California
Robert Fierro's primary practice is Kaiser Permanente - Fontana Medical Center, at 9965 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Kaiser Permanente - Fontana Medical Center9965 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Robert A. Fierro is affiliated with 2 sites of care and 1 medical group
Robert Fierro's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Robert Fierro to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Robert A. Fierro's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Robert Fierro practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente - Fontana Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Robert A. Fierro is one of 11,482 physician assistants in California
Physician assistant is Robert Fierro's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Robert Fierro is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Robert Fierro is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Robert Fierro
Counts of physician assistants 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
Robert A. Fierro's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Robert Fierro's median patient age at 64, with 31% women.
Robert Fierro's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women31%
- Men69%
Source: Dmand AI Patient Panel Data
Robert A. Fierro wrote 195 Medicare Part D claims in 2024
In 2024, Robert Fierro wrote 195 Medicare Part D claims for 57 patients. 94% of them were for generic drugs. CMS names the drug for 137 of them, across 8 drugs with 11 or more claims each, at $1,521 in total drug cost.
Robert Fierro's Part D claims by kind of drug, 2024
- Generic184 claims94%
- Brand-name and other11 claims6%
Robert Fierro'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 Robert Fierro's Part D claims, 2024
- Opioids8%15 of 195 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
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Robert A. Fierro received $14 in industry payments in 2025
CMS Open Payments shows 1 general payment to Robert Fierro from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. MAQUET Cardiovascular U.S. Sales, L.L.C. paid the most, $14.
Companies that paid Robert Fierro the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Robert A. Fierro is board certified in certified physician assistant
Robert Fierro is a member of AAPA.
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Robert A. Fierro'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 |
| 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) |
| Industry payments | Open Payments (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 Robert A. Fierro
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Robert A. Fierro's NPI number?
Robert A. Fierro's NPI number is 1497871644. It was assigned on March 21, 2007, and it is active in the NPI Registry.
What does Robert A. Fierro specialize in?
Robert A. Fierro is a physician assistant in Fontana, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Robert A. Fierro practice?
Robert Fierro practices at 9965 Sierra Ave, Fontana, CA 92335. Robert Fierro's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. Dmand AI also links Robert Fierro to 1 group practice or clinic.
What is Robert A. Fierro's office phone number?
The practice phone on file for Robert Fierro is (909) 427-5000.
What is Robert A. Fierro's medical license number?
Robert Fierro holds California license PA15043.
What medical group is Robert A. Fierro part of?
Robert Fierro is linked to Southern California Permanente Medical Group.
Is Robert A. Fierro board certified?
Yes. Robert Fierro is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What drugs does Robert A. Fierro prescribe most?
In 2024 Medicare Part D data, Robert Fierro's most prescribed drugs by claims were Furosemide, Potassium Chloride and Bisoprolol Fumarate.
Has Robert A. Fierro received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Robert Fierro from 1 company from 2025 to 2025. The largest total came from MAQUET Cardiovascular U.S. Sales, L.L.C.
How long has Robert A. Fierro been practicing?
Robert Fierro graduated from medical school in 1999, 27 years ago.
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