Dr. Jason Jia, MD

  • Fontana, CA
  • Ophthalmologist
NPI1558940056PAC ID5991296204
Hospital affiliations
1
Industry payments
$466
Medical group
1
State license
1
Year NPI issued
2021
Practice address
9961 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
Social profiles

Primary practice

Fontana Medical Center

Hospital · Fontana, California

Find Dr. Jia'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.

View contacts for free

Dr. Jason Jia is an ophthalmologist in Fontana, California

Dr. Jia practices at Fontana Medical Center in Fontana, California, part of Kaiser Permanente.

Dr. Jia's NPI, 1558940056, was assigned on April 3, 2021. Dr. Jia graduated from Loma Linda University School of Medicine in 2021. Dr. Jia holds California license A181201.

NPI and contact details
Medicare PAC ID
5991296204
NPI enumeration date
April 3, 2021
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(909) 427-5000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
31
Medical school graduation
2021

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

Dr. Jason Jia practices at Fontana Medical Center in Fontana, California

Dr. Jia'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.

Source: Dmand AI Affiliation Data

Dr. Jason Jia is affiliated with 1 site of care and 1 medical group

Dr. Jia'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.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Jason Jia's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Jia 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

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Jia practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Jason Jia is one of 2,621 ophthalmologists in California

Ophthalmology is Dr. Jia's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Jia is licensed in California.

Specialties and state licenses

  • Ophthalmology, CaliforniaPrimaryLicense A181201 · taxonomy 207W00000X

Ophthalmologists near Dr. Jia

Counts of ophthalmologists 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. Jason Jia's patients have a median age of 62

Across all payers, Dmand AI patient panel data puts Dr. Jia's median patient age at 62, with 64% women.

Dr. Jia's patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women64%
  • Men34%

Source: Dmand AI Patient Panel Data

How Dr. Jason Jia takes part in Medicare

Dr. Jia accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

Dr. Jason Jia received $466 in industry payments from 2024 to 2025

CMS Open Payments shows 10 general payments to Dr. Jia from 5 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $263.

General payments to Dr. Jia by program year, 2024 to 2025

Companies that paid Dr. Jia the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Jia

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Jason Jia graduated from Loma Linda University School of Medicine

Dr. Jia graduated from Loma Linda University School of Medicine in 2021.

  1. Medical schoolLoma Linda University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Jason Jia'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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 Dr. Jason Jia

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. Jason Jia's NPI number?

Dr. Jason Jia's NPI number is 1558940056. It was assigned on April 3, 2021, and it is active in the NPI Registry.

What kind of doctor is Dr. Jason Jia?

Dr. Jason Jia is an ophthalmologist in Fontana, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).

Where does Dr. Jason Jia practice?

Dr. Jia practices at 9961 Sierra Ave, Fontana, CA 92335. Dr. Jia's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente.

What is Dr. Jason Jia's office phone number?

The practice phone on file for Dr. Jia is (909) 427-5000.

What is Dr. Jason Jia's medical license number?

Dr. Jia holds California license A181201.

Which hospitals is Dr. Jason Jia affiliated with?

Dr. Jia practices at Fontana Medical Center in Fontana, California.

What medical group is Dr. Jason Jia part of?

Dr. Jia is linked to Southern California Permanente Medical Group.

Does Dr. Jason Jia accept Medicare?

Yes. CMS lists Dr. Jia as accepting Medicare assignment.

Where did Dr. Jason Jia go to medical school?

Dr. Jia graduated from Loma Linda University School of Medicine in 2021.

Has Dr. Jason Jia received payments from drug or device companies?

CMS Open Payments shows $466 in general payments to Dr. Jia from 5 companies from 2024 to 2025. The largest total came from Alcon Laboratories Inc.

How long has Dr. Jason Jia been practicing?

Dr. Jia graduated from medical school in 2021, 5 years ago.

Selling to ophthalmology practices?

See ophthalmologists in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)