Dr. Apolinar F. Tiongson, MD
- Part D claims, 2024
- 32
- Industry payments
- $442
- State license
- 1
- Year NPI issued
- 2011
- Practice address
- 529 S Main St, Milpitas, CA 95035
- Practice phone
- Call (888) 678-7546
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Tiongson'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.
Dr. Apolinar F. Tiongson is a dermatologist in Milpitas, California
Dr. Tiongson practices in Milpitas, California.
Dr. Tiongson's NPI, 1750658167, was assigned on November 30, 2011. Dr. Tiongson graduated from Mathias Aznar Memorial College of Medicine in 1990. Dr. Tiongson holds California license A067316.
- NPI
- 1750658167NPI Registry (opens in a new tab)
- NPI enumeration date
- November 30, 2011
- NPI status
- Active
- Practice phone
- (888) 678-7546
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Apolinar F. Tiongson's practice address is in Milpitas, California
Dr. Tiongson's practice address in the NPI Registry is 529 S Main St, Milpitas, CA 95035. The practice phone is (888) 678-7546.
- NPI Registry address529 S Main St, Milpitas, CA 95035Phone(888) 678-7546
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Apolinar F. Tiongson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tiongson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Tiongson's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Apolinar F. Tiongson is one of 1,910 dermatologists in California
Dermatology is Dr. Tiongson's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Tiongson is licensed in California.
Specialties and state licenses
- Dermatology, CaliforniaPrimary
Dermatologists near Dr. Tiongson
Counts of dermatologists 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. Apolinar F. Tiongson wrote 32 Medicare Part D claims in 2024
In 2024, Dr. Tiongson wrote 32 Medicare Part D claims for 17 patients. 100% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $73 in total drug cost.
Dr. Tiongson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Tiongson's Part D claims, 2024
- Antibiotics38%12 of 32 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Apolinar F. Tiongson received $442 in industry payments from 2016 to 2024
CMS Open Payments shows 10 general payments to Dr. Tiongson from 3 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $381.
General payments to Dr. Tiongson by program year, 2016 to 2024
Companies that paid Dr. Tiongson the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Apolinar F. Tiongson graduated from Mathias Aznar Memorial College of Medicine
Dr. Tiongson graduated from Mathias Aznar Memorial College of Medicine in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Apolinar F. Tiongson'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 |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. Apolinar F. Tiongson
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. Apolinar F. Tiongson's NPI number?
Dr. Apolinar F. Tiongson's NPI number is 1750658167. It was assigned on November 30, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Apolinar F. Tiongson?
Dr. Apolinar F. Tiongson is a dermatologist in Milpitas, California. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).
Where does Dr. Apolinar F. Tiongson practice?
Dr. Tiongson practices at 529 S Main St, Milpitas, CA 95035.
What is Dr. Apolinar F. Tiongson's office phone number?
The practice phone on file for Dr. Tiongson is (888) 678-7546.
What is Dr. Apolinar F. Tiongson's medical license number?
Dr. Tiongson holds California license A067316.
Where did Dr. Apolinar F. Tiongson go to medical school?
Dr. Tiongson graduated from Mathias Aznar Memorial College of Medicine in 1990.
What drugs does Dr. Apolinar F. Tiongson prescribe most?
In 2024 Medicare Part D data, Dr. Tiongson's most prescribed drugs by claims were Cephalexin.
Has Dr. Apolinar F. Tiongson received payments from drug or device companies?
CMS Open Payments shows $442 in general payments to Dr. Tiongson from 3 companies from 2016 to 2024. The largest total came from Allergan Inc.
How long has Dr. Apolinar F. Tiongson been practicing?
Dr. Tiongson graduated from medical school in 1990, 36 years ago.
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