Carina D. Buhay, MD
Internal Medicine Physician · San Bernardino, CA
Carina D. Buhay, MD is an internal medicine physician with a practice address in San Bernardino, California, and NPI 1639143530, issued on Feb 15, 2006. Check the license (California A490630, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Carina D. Buhay
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A490630 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1700 N Waterman Ave, San Bernardino, CA 92404
- Phone
- (909) 883-8611
- Enumerated
- Feb 15, 2006
- Record last updated
- Dec 6, 2025
- Medicaid ID
- 00A490630 CA
- Medicare enrollment
- Enrolled (PECOS I20080207000699); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 1700 N Waterman Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Augusto Banayat, FNPNurse Practitioner1831727700
- Anooshirvan Bozorgmehr, DOFamily Medicine Physician1689019200
- Peter Csapoczi, MDInternal Medicine Physician1841357118
Verify Carina D. Buhay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A490630Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.3 times the Medicare Part D claims of the average internal medicine physician in 2024
16,728 Medicare Part D claims for 741 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 225 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,254 claims
- Amlodipine Besylate761 claims
- Lisinopril662 claims
- Gabapentin501 claims
- Omeprazole471 claims
- Metformin Hcl440 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: $857.60
8 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 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 2 group practices
- Beaver Medical Group P CBeaumont, CA
- Pinnacle Medical Group IncSan Bernardino, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
58 internal medicine physician records list a practice address in San Bernardino
They are 58 of the 5,645 NPPES records with a practice address in San Bernardino, and 17,696 internal medicine physician records in California.
All 58 in San Bernardino → All 17,696 in California → Every provider in San Bernardino →
Other internal medicine physician records in California
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- 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 Carina D. Buhay, MD's NPI number?
Carina D. Buhay, MD's National Provider Identifier (NPI) is 1639143530, issued on Feb 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carina D. Buhay, MD located?
The NPPES record lists a practice address at 1700 N Waterman Ave, San Bernardino, CA, 92404. Phone: (909) 883-8611. Providers update this record themselves, so call before visiting.
How can I verify Carina D. Buhay, MD's license?
NPPES lists California license number A490630, 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 Carina D. Buhay, MD prescribe under Medicare Part D?
In 2024, Carina D. Buhay, MD had 16,728 Medicare Part D claims for 741 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.