Ben Tantayanubutr, MD
Family Medicine Physician · Lancaster, CA
Ben Tantayanubutr, MD is a family medicine physician with a practice address in Lancaster, California, and NPI 1881880110, issued on Sep 20, 2007. Check the license (California A95887, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ben Tantayanubutr
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A95887 CA
Self-reported in NPPES; status is on the state search - Practice location
- 43112 15TH St W, Lancaster, CA 93534
- Phone
- (818) 375-2809
- Enumerated
- Sep 20, 2007
- Record last updated
- Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080423000723); accepts Medicare assignment
- Medical or professional school
- Medical College Of Ohio, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 43112 15TH St W
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ben Tantayanubutr in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A95887Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average family medicine physician in 2024
7,609 Medicare Part D claims for 852 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 485 claims were for opioids.
Most prescribed
- Atorvastatin Calcium555 claims
- Amlodipine Besylate407 claims
- Lisinopril342 claims
- Losartan Potassium305 claims
- Hydrocodone-Acetaminophen255 claims
- Levothyroxine Sodium234 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupPanorama City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ben Tantayanubutr among 17,133 family medicine physician records in California
Ben Tantayanubutr, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2004 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
45 family medicine physician records list a practice address in Lancaster
They are 45 of the 4,273 NPPES records with a practice address in Lancaster, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Lancaster → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Manuel Arroyo, M.D.Lancaster, CA 935341508860412
- Emelie Baguio Ngo, MDLancaster, CA 935341144230152
- Bryan Benefiel, M.D.Lancaster, CA 935341508854282
- Thelma Fernandez, M.D.Lancaster, CA 935341861505158
- Ruben Hernandez, MDLancaster, CA 935341700879897
- Siamak Heshmati, MDLancaster, CA 935341972550077
- Richard Kling, M.D.Lancaster, CA 935341265453690
- Pratibha Kumar, M.D.Lancaster, CA 935341881653285
Common questions
What is Ben Tantayanubutr, MD's NPI number?
Ben Tantayanubutr, MD's National Provider Identifier (NPI) is 1881880110, issued on Sep 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ben Tantayanubutr, MD located?
The NPPES record lists a practice address at 43112 15TH St W, Lancaster, CA, 93534. Phone: (818) 375-2809. Providers update this record themselves, so call before visiting.
How can I verify Ben Tantayanubutr, MD's license?
NPPES lists California license number A95887, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ben Tantayanubutr, MD prescribe under Medicare Part D?
In 2024, Ben Tantayanubutr, MD had 7,609 Medicare Part D claims for 852 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.