Mario Bernaba, MD
Internal Medicine Physician · Hayward, CA
Mario Bernaba, MD is an internal medicine physician with a practice address in Hayward, California, and NPI 1205499506, issued on Apr 22, 2019. Check the license (California A177582, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mario Bernaba
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- A177582 CA
R77313 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 27303 Sleepy Hollow Ave S, Hayward, CA 94545
- Phone
- (510) 784-2769
- Enumerated
- Apr 22, 2019
- Entity
- Type 1 · individual
Also registered at 27303 Sleepy Hollow Ave S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Neelam Bhalla, M.D.Nephrology Physician1639118052
- Pooja Bhoopalam, PHARMDPharmacist1871022186
- Natalie CacAllergy & Immunology Physician1205006657
- Gregory Chen, M.D.Urology Physician1699853457
Verify Mario Bernaba in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A177582Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
100 Medicare Part D claims for 53 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Amlodipine Besylate11 claims
- Lisinopril11 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: $236.65
2 payments, mostly food and beverage; the largest payer was Alexion Pharmaceuticals, Inc.. The 65,274 providers of this specialty with any payment received $2,536.66 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.
One hospital or facility affiliation
- Permanente Medical Group IncHayward, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
42 internal medicine physician records list a Hayward practice address
They are 42 of the 3,993 NPPES records with a Hayward practice address, and 20,403 internal medicine physician records in California.
All 42 in Hayward → All 20,403 in California → Every provider in Hayward →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Mario Bernaba, MD's NPI number?
Mario Bernaba, MD's National Provider Identifier (NPI) is 1205499506, issued on Apr 22, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Mario Bernaba, MD located?
The NPPES record lists a practice address at 27303 Sleepy Hollow Ave S, Hayward, CA, 94545. Phone: (510) 784-2769. Providers update this record themselves, so call before visiting.
How can I verify Mario Bernaba, MD's license?
NPPES lists California license number A177582, 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 Mario Bernaba, MD prescribe under Medicare Part D?
In 2024, Mario Bernaba, MD had 100 Medicare Part D claims for 53 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.