Mark Ian Brenis, DPM
Podiatrist · Watsonville, CA
Mark Ian Brenis, DPM is a podiatrist with a practice address in Watsonville, California, and NPI 1801858048, issued on Apr 4, 2006. Check the license (California E3289, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Ian Brenis
- Credential
- DPM
- Primary taxonomy
- Podiatrist 213E00000X
- License number
- E3289 CA
Self-reported in NPPES; status is on the state search - Practice location
- 47 Penny LN, Watsonville, CA 95076
- Phone
- (831) 728-8844
- Enumerated
- Apr 4, 2006
- Record last updated
- Aug 31, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (831) 763-1001
- Medicare enrollment
- Enrolled (PECOS I20081215000030); accepts Medicare assignment
- Medical or professional school
- Kent State University College Of Podiatric Medicine, 1983
- Entity
- Type 1 · individual
8 nearest podiatrist records → All 1,023 in California → Look up another NPI →
Also registered at 47 Penny LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gary Shenfield, D.D.S.Dentist1235341405
- Nicole Surdock, D.P.M.Primary Podiatric Medicine Podiatrist1174674436
Verify Mark Ian Brenis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license E3289Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average podiatrist in 2024
147 Medicare Part D claims for 77 beneficiaries, against an average of 314 among the 6,407 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Terbinafine Hcl40 claims
- Naproxen21 claims
- Ketoconazole17 claims
- Diclofenac Sodium11 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $177.25
2 payments; by number, the most common kind was food and beverage; the largest payer was Alafair Biosciences, Inc. The 4,596 providers of this specialty with any payment received $2,476.60 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.
Bills Medicare through one group practice
- Bay Area Foot Care IncWatsonville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Ian Brenis among 1,023 podiatrist records in California
Mark Ian Brenis, DPM is one of 1,023 podiatrist records with a practice address in California. 67% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 33% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1983 · median 1998 among the 593 with a school on file
- Record last updated2016 · 72% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 213E00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Podiatrist providers in California
There are 1,023 podiatrist records in California.
All 1,023 in California → Every provider in Watsonville → Podiatrist nationwide →
The 8 podiatrist records with the nearest ZIP codes
- Yuxi GuanWatsonville, CA 950761124656137
- Thomas Lemmer, DPMSoquel, CA 950731275636557
- Timothy Blakeslee, DPMSanta Cruz, CA 950651871572917
- Jillene Costa, DPMSanta Cruz, CA 950651033378468
- Aarron FlowersSanta Cruz, CA 950651144607466
- Brandon Kim, DPMSanta Cruz, CA 950651558821215
- Jon NordgaardSanta Cruz, CA 950651063482131
- Daniel Wu, DPMSanta Cruz, CA 950651588169353
Common questions
What is Mark Ian Brenis, DPM's NPI number?
Mark Ian Brenis, DPM's National Provider Identifier (NPI) is 1801858048, issued on Apr 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Ian Brenis, DPM located?
The NPPES record lists a practice address at 47 Penny LN, Watsonville, CA, 95076. Phone: (831) 728-8844. Providers update this record themselves, so call before visiting.
How can I verify Mark Ian Brenis, DPM's license?
NPPES lists California license number E3289, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Ian Brenis, DPM prescribe under Medicare Part D?
In 2024, Mark Ian Brenis, DPM had 147 Medicare Part D claims for 77 beneficiaries; the average among podiatrist prescribers was 314. Part D covers Medicare prescriptions only.
What is Mark Ian Brenis, DPM's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.