Pei Shan Tan, FNP
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 779
- Industry payments
- $445
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 437 N Euclid Avenue, Ontario, CA 91762
- Practice phone
- Call (909) 988-2555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Unicare Community Health Center - Ontario (N Euclid Ave)
FQHC - Main Site · Ontario, California
Find Pei Shan Tan'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.
Pei Shan Tan is a family nurse practitioner in Ontario, California
Pei Shan Tan practices at Unicare Community Health Center - Ontario (N Euclid Ave) in Ontario, California.
Pei Shan Tan's NPI, 1932837168, was assigned on August 15, 2022. Pei Shan Tan holds California license 95021262.
- NPI
- 1932837168NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496127334
- NPI enumeration date
- August 15, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 988-2555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Pei Shan Tan practices at Unicare Community Health Center - Ontario (N Euclid Ave) in Ontario, California
Pei Shan Tan's primary practice is Unicare Community Health Center - Ontario (N Euclid Ave), at 437 N Euclid Avenue, Ontario, CA 91762 in San Bernardino County. The practice phone is (909) 988-2555.
- Unicare Community Health Center - Ontario (N Euclid Ave)437 N Euclid Avenue, Ontario, CA 91762 · San Bernardino CountyPhone(909) 988-2555
Source: Dmand AI Affiliation Data
Pei Shan Tan is affiliated with 1 site of care and 1 medical group
Pei Shan Tan's primary practice is Unicare Community Health Center - Ontario (N Euclid Ave) in Ontario, California. The medical group on file is Unicare Community Health Center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Pei Shan Tan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Pei Shan Tan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Unicare Community Health Center - Ontario (N Euclid Ave) | Available with a free account |
Source: Dmand AI Technology Install Data
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Pei Shan Tan is one of 13,532 family nurse practitioners in California
Family is Pei Shan Tan's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Pei Shan Tan is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Family nurse practitioners near Pei Shan Tan
Counts of family nurse practitioners 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
Pei Shan Tan treated 12 Medicare patients in 2024, average age 70
CMS counts 12 Medicare patients who saw Pei Shan Tan in 2024. The largest group is 75 to 84, with 0 patients. 75% of them have high blood pressure. Their average risk score is 2.64, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Pei Shan Tan's median patient age at 39, with 67% women.
Pei Shan Tan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Pei Shan Tan's Medicare patients, 2024
- High blood pressure75%
Share of Medicare patients with each condition. A patient can have several.
Pei Shan Tan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Pei Shan Tan wrote 779 Medicare Part D claims in 2024
In 2024, Pei Shan Tan wrote 779 Medicare Part D claims for 108 patients. 84% of them were for generic drugs.
Pei Shan Tan's Part D claims by kind of drug, 2024
- Generic656 claims84%
- Brand-name and other123 claims16%
Drug classes CMS tracks in Pei Shan Tan's Part D claims, 2024
- Opioids2%15 of 779 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Pei Shan Tan takes part in Medicare
Pei Shan Tan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Pei Shan Tan received $445 in industry payments in 2025
CMS Open Payments shows 14 general payments to Pei Shan Tan from 5 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $182.
Companies that paid Pei Shan Tan 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 Pei Shan Tan'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| 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 Pei Shan Tan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Pei Shan Tan's NPI number?
Pei Shan Tan's NPI number is 1932837168. It was assigned on August 15, 2022, and it is active in the NPI Registry.
What does Pei Shan Tan specialize in?
Pei Shan Tan is a family nurse practitioner in Ontario, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Pei Shan Tan practice?
Pei Shan Tan practices at 437 N Euclid Avenue, Ontario, CA 91762. Pei Shan Tan's primary practice is Unicare Community Health Center - Ontario (N Euclid Ave) in Ontario, California.
What is Pei Shan Tan's office phone number?
The practice phone on file for Pei Shan Tan is (909) 988-2555.
What is Pei Shan Tan's medical license number?
Pei Shan Tan holds California license 95021262.
What medical group is Pei Shan Tan part of?
Pei Shan Tan is linked to Unicare Community Health Center.
Does Pei Shan Tan accept Medicare?
Yes. CMS lists Pei Shan Tan as accepting Medicare assignment.
How many Medicare patients does Pei Shan Tan see?
CMS counts 12 Medicare patients who saw Pei Shan Tan in 2024, with an average age of 70.
Has Pei Shan Tan received payments from drug or device companies?
CMS Open Payments shows $445 in general payments to Pei Shan Tan from 5 companies from 2025 to 2025. The largest total came from Novo Nordisk Inc.
How long has Pei Shan Tan been practicing?
Pei Shan Tan graduated from medical school in 2022, 4 years ago.
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