Benjamin Maser, MD
Plastic and Reconstructive Surgery Physician · San Jose, CA
Benjamin Maser, MD is a plastic and reconstructive surgery physician with a practice address in San Jose, California, and NPI 1588723068, issued on Dec 8, 2006. Check the license (California G84520, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Benjamin Maser
- Credential
- MD
- Primary taxonomy
- Plastic and Reconstructive Surgery Physician 2086S0122X
- License number
- G84520 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2581 Samaritan Dr Ste 102, San Jose, CA 95124
- Phone
- (408) 356-4241
- Enumerated
- Dec 8, 2006
- Record last updated
- Dec 3, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest plastic and reconstructive surgery physician records → All 359 in California → Look up another NPI →
Also registered at 2581 Samaritan Dr Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steven Bates, M.D.Plastic Surgery Physician1497895726
Verify Benjamin Maser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G84520Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average plastic and reconstructive surgery physician in 2024
48 Medicare Part D claims for 15 beneficiaries, against an average of 93 among the 1,895 providers of this specialty who prescribed in Part D. 16 claims were for opioids.
Most prescribed
- Oxycodone-Acetaminophen15 claims
- Cephalexin13 claims
- Ondansetron Odt13 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.
Industry payments in 2024: $29.49
1 payment: food and beverage; the largest payer was Abbvie Inc. The 2,042 providers of this specialty with any payment received $2,814.09 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Benjamin Maser among 359 plastic and reconstructive surgery physician records in California
Benjamin Maser, MD is one of 359 plastic and reconstructive surgery physician records with a practice address in California. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 60% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2020 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0122X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Plastic and Reconstructive Surgery Physician providers in California
There are 359 plastic and reconstructive surgery physician records in California.
All 359 in California → Every provider in San Jose → Plastic and Reconstructive Surgery Physician nationwide →
The 8 plastic and reconstructive surgery physician records with the nearest ZIP codes
- Melinda Costa, MDSan Jose, CA 951241831346162
- Vincent LeporeSan Jose, CA 951241356389241
- Brian Orisek, MDSan Jose, CA 951241336123561
- Yvonne Karanas, MDSan Jose, CA 951281952485120
- Zeshaan MaanSan Jose, CA 951281174907083
- Kenneth Yim, MDSan Jose, CA 951281417043084
- Fred Tomlinson, MEDICAL DOCTORScotts Valley, CA 950661679563159
- Michael Killion, MDSan Jose, CA 952141699705194
Common questions
What is Benjamin Maser, MD's NPI number?
Benjamin Maser, MD's National Provider Identifier (NPI) is 1588723068, issued on Dec 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Maser, MD located?
The NPPES record lists a practice address at 2581 Samaritan Dr Ste 102, San Jose, CA, 95124. Phone: (408) 356-4241. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Maser, MD's license?
NPPES lists California license number G84520, 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 Benjamin Maser, MD prescribe under Medicare Part D?
In 2024, Benjamin Maser, MD had 48 Medicare Part D claims for 15 beneficiaries; the average among plastic and reconstructive surgery physician prescribers was 93. 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.