Viyada Joy Michelsen, OD

  • Vallejo, CA
  • Optometrist
NPI1740398296
Part D claims, 2024
50
Hospital affiliations
1
Industry payments
$89
Medical groups
3
State license
1
Practice address
975 Sereno Dr, Vallejo, CA 94589
Practice phone
Call (707) 651-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Vallejo Medical Center

Hospital · Vallejo, California

See all 8 affiliations

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Viyada Joy Michelsen is an optometrist in Vallejo, California

Viyada Michelsen practices at Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente.

Viyada Michelsen's NPI, 1740398296, was assigned on August 25, 2006. Viyada Michelsen graduated from University of California - School of Optometry in 2006. Viyada Michelsen holds California license 13138.

NPI and contact details
NPI enumeration date
August 25, 2006
NPI status
Active
Practice phone
(707) 651-1000
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
46
Medical school graduation
2006

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

Viyada Joy Michelsen practices at Vallejo Medical Center in Vallejo, California

Viyada Michelsen's primary practice is Vallejo Medical Center, at 975 Sereno Dr, Vallejo, CA 94589 in Solano County. The practice phone is (707) 651-1000.

Source: Dmand AI Affiliation Data

Viyada Joy Michelsen is affiliated with 5 sites of care and 3 medical groups

Viyada Michelsen's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Viyada Michelsen to 2 more group practices and clinics, 2 medical groups, 1 home health agency and 1 hospice, each named with a free account.

See all 8 affiliations for Viyada Michelsen

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

Dmand AI tracks the EHR system at Viyada Joy Michelsen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Viyada Michelsen practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Vallejo Medical CenterAvailable with a free account
+4 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Viyada Joy Michelsen is one of 7,206 optometrists in California

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

Specialties and state licenses

  • Optometrist, CaliforniaPrimaryLicense 13138 · taxonomy 152W00000X

Optometrists near Viyada Michelsen

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

Viyada Joy Michelsen's patients have a median age of 46

Across all payers, Dmand AI patient panel data puts Viyada Michelsen's median patient age at 46, with 64% women.

Viyada Michelsen's patients across all payers

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

Patient panel by age, all payers

Median age 46

Patient panel by sex, all payers

  • Women64%
  • Men35%

Source: Dmand AI Patient Panel Data

Viyada Joy Michelsen wrote 50 Medicare Part D claims in 2024

In 2024, Viyada Michelsen wrote 50 Medicare Part D claims for 34 patients. 42% of them were for generic drugs.

Part D claims, 202450
Part D patients34

Viyada Michelsen's Part D claims by kind of drug, 2024

  • Generic21 claims42%
  • Brand-name29 claims58%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Viyada Joy Michelsen received $89 in industry payments in 2025

CMS Open Payments shows 3 general payments to Viyada Michelsen from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Bausch & Lomb Americas Inc. paid the most, $38.

Companies that paid Viyada Michelsen the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Viyada Michelsen

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

Viyada Joy Michelsen graduated from University of California - School of Optometry

Viyada Michelsen graduated from University of California - School of Optometry in 2006.

  1. Medical schoolUniversity of California - School of Optometry

Source: Dmand AI Professional Profile Data

Sources for Viyada Joy Michelsen'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
Part D prescribingMedicare Part D Prescribers - by Provider (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 Viyada Joy Michelsen

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

What is Viyada Joy Michelsen's NPI number?

Viyada Joy Michelsen's NPI number is 1740398296. It was assigned on August 25, 2006, and it is active in the NPI Registry.

What does Viyada Joy Michelsen specialize in?

Viyada Joy Michelsen is an optometrist in Vallejo, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).

Where does Viyada Joy Michelsen practice?

Viyada Michelsen practices at 975 Sereno Dr, Vallejo, CA 94589. Viyada Michelsen's primary practice is Vallejo Medical Center in Vallejo, California, part of Kaiser Permanente. Dmand AI also links Viyada Michelsen to 2 group practices and clinics, 2 medical groups, 1 home health agency and 1 hospice.

What is Viyada Joy Michelsen's office phone number?

The practice phone on file for Viyada Michelsen is (707) 651-1000.

What is Viyada Joy Michelsen's medical license number?

Viyada Michelsen holds California license 13138.

Which hospitals is Viyada Joy Michelsen affiliated with?

Viyada Michelsen practices at Vallejo Medical Center in Vallejo, California.

What medical group is Viyada Joy Michelsen part of?

Viyada Michelsen is linked to The Permanente Medical Group, Inc. Dmand AI links Viyada Michelsen to 2 more medical groups.

Where did Viyada Joy Michelsen go to medical school?

Viyada Michelsen graduated from University of California - School of Optometry in 2006.

Has Viyada Joy Michelsen received payments from drug or device companies?

CMS Open Payments shows $89 in general payments to Viyada Michelsen from 3 companies from 2025 to 2025. The largest total came from Bausch & Lomb Americas Inc.

How long has Viyada Joy Michelsen been practicing?

Viyada Michelsen graduated from medical school in 2006, 20 years ago.

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