Krystal Tan Vanichsarn, OD
- Medicare patients, 2024
- 116
- Part D claims, 2024
- 89
- MIPS score, 2024
- 89
- Industry payments
- $488
- Affiliated sites
- 3
- Practice address
- 5651 Copley Dr, San Diego, CA 92111
- Practice phone
- Call (858) 262-6666
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sharp Rees-Stealy Medical Group, Inc
San Diego, California
Find Krystal Vanichsarn'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.
Krystal Tan Vanichsarn is an optometrist in San Diego, California
Krystal Vanichsarn practices at Sharp Rees-Stealy Medical Group, Inc in San Diego, California.
Krystal Vanichsarn's NPI, 1962886283, was assigned on July 16, 2015. Krystal Vanichsarn holds California license 15449.
- NPI
- 1962886283NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496035735
- NPI enumeration date
- July 16, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (858) 262-6666
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Krystal Tan Vanichsarn practices at Sharp Rees-Stealy Medical Group, Inc in San Diego, California
Krystal Vanichsarn's primary practice is Sharp Rees-Stealy Medical Group, Inc, at 5651 Copley Dr, San Diego, CA 92111 in San Diego County. The practice phone is (858) 262-6666.
- Sharp Rees-Stealy Medical Group, Inc5651 Copley Dr, San Diego, CA 92111 · San Diego CountyPhone(858) 262-6666
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Krystal Tan Vanichsarn is affiliated with 4 sites of care and 3 medical groups
Krystal Vanichsarn's primary practice is Sharp Rees-Stealy Medical Group, Inc in San Diego, California. The medical group on file is Sharp Rees-Stealy Medical Group. Dmand AI also links Krystal Vanichsarn to 3 more group practices and clinics and 2 medical groups, each 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 Krystal Tan Vanichsarn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Krystal Vanichsarn practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sharp Rees-Stealy Medical Group, Inc | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Krystal Tan Vanichsarn is one of 7,206 optometrists in California
Optometrist is Krystal Vanichsarn's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Dmand AI has Krystal Vanichsarn's licenses on file in 2 states: California and Pennsylvania.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
- Pennsylvania license
Optometrists near Krystal Vanichsarn
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
Krystal Tan Vanichsarn treated 116 Medicare patients in 2024, average age 74
CMS counts 116 Medicare patients who saw Krystal Vanichsarn in 2024. The largest group is 65 to 74, with 61 patients. 64% of them have high cholesterol, and 56% have high blood pressure. 12% are also on Medicaid. Their average risk score is 0.94, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Krystal Vanichsarn's median patient age at 62, with 60% women.
Krystal Vanichsarn's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Krystal Vanichsarn's Medicare patients by sex, 2024
- Women7262%
- Men4438%
Chronic conditions among Krystal Vanichsarn's Medicare patients, 2024
- High cholesterol64%
- High blood pressure56%
- Arthritis36%
- Diabetes25%
- Anxiety22%
- Ischemic heart disease19%
- Mood disorders17%
- Depression16%
Share of Medicare patients with each condition. A patient can have several.
Krystal Vanichsarn'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
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Krystal Tan Vanichsarn wrote 89 Medicare Part D claims in 2024
In 2024, Krystal Vanichsarn wrote 89 Medicare Part D claims for 44 patients. 54% of them were for generic drugs.
Krystal Vanichsarn's Part D claims by kind of drug, 2024
- Generic48 claims54%
- Brand-name41 claims46%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Krystal Tan Vanichsarn scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Krystal Vanichsarn for performance year 2024, reported as part of a group. Krystal Vanichsarn accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Krystal Vanichsarn's MIPS scores, performance year 2024
- 89of 100Final score
- 81of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 82of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Krystal Tan Vanichsarn received $488 in industry payments in 2025
CMS Open Payments shows 4 general payments to Krystal Vanichsarn from 3 drug and device companies in 2025. Food and beverage make up the largest share, 80% of the total. Johnson & Johnson Vision Care, Inc. paid the most, $272.
General payments to Krystal Vanichsarn by kind, 2025 to 2025
- Food and beverage$38880%
- Entertainment$10020%
Companies that paid Krystal Vanichsarn the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Krystal Tan Vanichsarn'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Krystal Tan Vanichsarn
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Krystal Tan Vanichsarn's NPI number?
Krystal Tan Vanichsarn's NPI number is 1962886283. It was assigned on July 16, 2015, and it is active in the NPI Registry.
What does Krystal Tan Vanichsarn specialize in?
Krystal Tan Vanichsarn is an optometrist in San Diego, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Krystal Tan Vanichsarn practice?
Krystal Vanichsarn practices at 5651 Copley Dr, San Diego, CA 92111. Krystal Vanichsarn's primary practice is Sharp Rees-Stealy Medical Group, Inc in San Diego, California. Dmand AI also links Krystal Vanichsarn to 3 group practices and clinics and 2 medical groups.
What is Krystal Tan Vanichsarn's office phone number?
The practice phone on file for Krystal Vanichsarn is (858) 262-6666.
What is Krystal Tan Vanichsarn's medical license number?
Krystal Vanichsarn holds California license 15449, one of the licenses on file in 2 states.
Which states has Krystal Tan Vanichsarn been licensed in?
Dmand AI has state licenses on file for Krystal Vanichsarn in California and Pennsylvania.
What medical group is Krystal Tan Vanichsarn part of?
Krystal Vanichsarn is linked to Sharp Rees-Stealy Medical Group. Dmand AI links Krystal Vanichsarn to 2 more medical groups.
Does Krystal Tan Vanichsarn accept Medicare?
Yes. CMS lists Krystal Vanichsarn as accepting Medicare assignment.
What is Krystal Tan Vanichsarn's MIPS score?
Krystal Vanichsarn's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
How many Medicare patients does Krystal Tan Vanichsarn see?
CMS counts 116 Medicare patients who saw Krystal Vanichsarn in 2024, with an average age of 74.
Has Krystal Tan Vanichsarn received payments from drug or device companies?
CMS Open Payments shows $488 in general payments to Krystal Vanichsarn from 3 companies from 2025 to 2025. The largest total came from Johnson & Johnson Vision Care, Inc.
How long has Krystal Tan Vanichsarn been practicing?
Krystal Vanichsarn graduated from medical school in 2015, 11 years ago.
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