John D. Tassinari, OD

  • Pomona, CA
  • Optometrist
NPI1689770489
MIPS score, 2024
86
Industry payments
$150
Affiliated sites
1
Medical group
1
State license
1
Practice address
795 E 2nd St Suite 2 Suite 2, Pomona, CA 91766-2007
Practice phone
Call (909) 469-8673
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Westernu Health

Multi-specialty group site · Pomona, California

See all 2 affiliations

Find John Tassinari'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

John D. Tassinari is an optometrist in Pomona, California

John Tassinari practices at Westernu Health in Pomona, California.

John Tassinari's NPI, 1689770489, was assigned on September 16, 2006. John Tassinari graduated from Southern California College of Optometry in 1987. John Tassinari holds California license OPT8873TPG.

NPI and contact details
NPI enumeration date
September 16, 2006
NPI status
Active
Practice phone
(909) 469-8673
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
65
Medical school graduation
1987

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

John D. Tassinari practices at Westernu Health in Pomona, California

John Tassinari's primary practice is Westernu Health, at 795 E 2nd St Suite 2 Suite 2, Pomona, CA 91766-2007. The practice phone is (909) 469-8673.

  • Westernu Health
    795 E 2nd St Suite 2 Suite 2, Pomona, CA 91766-2007Phone(909) 469-8673

Source: Dmand AI Affiliation Data

John D. Tassinari is affiliated with 1 site of care and 1 medical group

John Tassinari's primary practice is Westernu Health in Pomona, California. Dmand AI also links John Tassinari to 1 medical group, named with a free account.

Westernu HealthMulti-specialty group site · Pomona, CaliforniaPrimary
1 medical groupName with a free account
See all 2 affiliations for John Tassinari

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at John D. Tassinari's practice

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

EHR by site
SiteEHR vendor and product
Westernu HealthAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where John Tassinari practices

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

John D. Tassinari is one of 7,206 optometrists in California

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

Specialties and state licenses

  • Optometrist, CaliforniaPrimaryLicense OPT8873TPG · taxonomy 152W00000X

Optometrists near John Tassinari

Counts of optometrists 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

John D. Tassinari's patients have a median age of 9

Across all payers, Dmand AI patient panel data puts John Tassinari's median patient age at 9, with 44% women.

John Tassinari'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

  • Women44%
  • Men55%

Source: Dmand AI Patient Panel Data

John D. Tassinari scored 86 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for John Tassinari for performance year 2024, reported as part of a group.

John Tassinari's MIPS scores, performance year 2024

  • 86of 100Final score
  • 68.8of 100Quality
  • 40of 100Improvement Activities
  • 79of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

John D. Tassinari received $150 in industry payments in 2025

CMS Open Payments shows 2 general payments to John Tassinari from 2 drug and device companies in 2025. Consulting fees make up the largest share, 100% of the total. CooperVision Inc. paid the most, $75.

Companies that paid John Tassinari the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to John Tassinari

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

John D. Tassinari graduated from Southern California College of Optometry

John Tassinari graduated from Southern California College of Optometry in 1987.

  1. Medical schoolSouthern California College of Optometry

Source: Dmand AI Professional Profile Data

Sources for John D. Tassinari'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 Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
MIPS scores, telehealth, assignment and procedure percentilesClinician Public Reporting: Overall MIPS Performance (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 John D. Tassinari

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

What is John D. Tassinari's NPI number?

John D. Tassinari's NPI number is 1689770489. It was assigned on September 16, 2006, and it is active in the NPI Registry.

What does John D. Tassinari specialize in?

John D. Tassinari is an optometrist in Pomona, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).

Where does John D. Tassinari practice?

John Tassinari practices at 795 E 2nd St Suite 2 Suite 2, Pomona, CA 91766-2007. John Tassinari's primary practice is Westernu Health in Pomona, California. Dmand AI also links John Tassinari to 1 medical group.

What is John D. Tassinari's office phone number?

The practice phone on file for John Tassinari is (909) 469-8673.

What is John D. Tassinari's medical license number?

John Tassinari holds California license OPT8873TPG.

What is John D. Tassinari's MIPS score?

John Tassinari's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.

Where did John D. Tassinari go to medical school?

John Tassinari graduated from Southern California College of Optometry in 1987.

Has John D. Tassinari received payments from drug or device companies?

CMS Open Payments shows $150 in general payments to John Tassinari from 2 companies from 2025 to 2025. The largest total came from CooperVision Inc.

How long has John D. Tassinari been practicing?

John Tassinari graduated from medical school in 1987, 39 years ago.

Selling to optometrist practices?

See optometrists 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)