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Brian E. Butterfield, OD

  • Los Angeles, CA
  • Optometrist
NPI1922175785
Hospital affiliations
1
Medical group
1
State license
1
Year NPI issued
2006
Practice locations
2
Practice address
9961 Sierra Ave, Fontana, CA 92335
Practice phone
Call (909) 427-5000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Fontana Medical Center

Hospital · Fontana, California

Find Brian Butterfield's professional email, personal email and mobile number

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Brian E. Butterfield is an optometrist in Los Angeles, California

Brian Butterfield practices at Fontana Medical Center in Fontana, California, part of Kaiser Permanente.

Brian Butterfield's NPI, 1922175785, was assigned on November 29, 2006. Brian Butterfield holds California license OPT9443TPA.

NPI and contact details
NPI
1922175785NPI Registry (opens in a new tab)
NPI enumeration date
November 29, 2006
NPI status
Active
Practice phone
(909) 427-5000
Professional email
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Personal email
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Mobile number
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Sex
Male

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Brian E. Butterfield practices in Fontana and Los Angeles

Brian Butterfield's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000. The NPI Registry lists Brian Butterfield's practice address as 4580 W Electronics Pl, Los Angeles, CA 90039.

  • Fontana Medical CenterPrimary
    9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
  • NPI Registry address
    4580 W Electronics Pl, Los Angeles, CA 90039 · Los Angeles County

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data

Brian E. Butterfield is affiliated with 1 site of care and 1 medical group

Brian Butterfield's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.

Southern California Permanente Medical GroupPrimary care group, Pasaden, CA

Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Brian E. Butterfield's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Brian Butterfield practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Fontana Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Brian E. Butterfield is one of 7,206 optometrists in California

Optometrist is Brian Butterfield's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Brian Butterfield is licensed in California.

Specialties and state licenses

  • Optometrist, CaliforniaPrimaryLicense OPT9443TPA · taxonomy 152W00000X

Optometrists near Brian Butterfield

Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.

7,206optometrists in California283optometrists in Los Angeles40optometrists at Fontana Medical Center

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Brian E. Butterfield's patients have a median age of 60

Across all payers, Dmand AI patient panel data puts Brian Butterfield's median patient age at 60, with 100% women.

Brian Butterfield's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women100%
  • Men0%

Source: Dmand AI Patient Panel Data

Sources for Brian E. Butterfield's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Brian E. Butterfield

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Brian E. Butterfield's NPI number?

Brian E. Butterfield's NPI number is 1922175785. It was assigned on November 29, 2006, and it is active in the NPI Registry.

What does Brian E. Butterfield specialize in?

Brian E. Butterfield is an optometrist in Los Angeles, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).

Where does Brian E. Butterfield practice?

Brian Butterfield practices at 9961 Sierra Ave, Fontana, CA 92335. Brian Butterfield also practices at 4580 W Electronics Pl, Los Angeles, CA 90039. Brian Butterfield's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente.

What is Brian E. Butterfield's office phone number?

The practice phone on file for Brian Butterfield is (909) 427-5000.

What is Brian E. Butterfield's medical license number?

Brian Butterfield holds California license OPT9443TPA.

Which hospitals is Brian E. Butterfield affiliated with?

Brian Butterfield practices at Fontana Medical Center in Fontana, California.

What medical group is Brian E. Butterfield part of?

Brian Butterfield is linked to Southern California Permanente Medical Group.

How long has Brian E. Butterfield been practicing?

Brian Butterfield's NPI was assigned in 2006.

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