Francis Arenas, M.D
Internal Medicine Physician · Bakersfield, CA
Francis Arenas, M.D is an internal medicine physician with a practice address in Bakersfield, California, and NPI 1275717647, issued on Dec 20, 2007. Check the license (California A105582, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Francis Arenas
- Credential
- M.D
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A105582 CA
Self-reported in NPPES; status is on the state search - Practice location
- 620 34TH St, Bakersfield, CA 93301
- Phone
- (661) 777-7707
- Enumerated
- Dec 20, 2007
- Record last updated
- Jan 30, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090103000000); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 620 34TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexandra DzikowskiNurse Practitioner1508582610
- Arvind Shah, M.D.Nephrology Physician1295734218
Verify Francis Arenas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A105582Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average internal medicine physician in 2024
7,633 Medicare Part D claims for 616 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 97 claims were for opioids.
Most prescribed
- Atorvastatin Calcium530 claims
- Rosuvastatin Calcium360 claims
- Metformin Hcl352 claims
- Losartan Potassium332 claims
- Levothyroxine Sodium312 claims
- Amlodipine Besylate290 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.
The MIPS final score for 2023 (Medicare payment program): 25.4 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $310.25
13 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. 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 one group practice
- Infusion And Clinical Services IncBakersfield, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
214 internal medicine physician records list a practice address in Bakersfield
They are 214 of the 11,539 NPPES records with a practice address in Bakersfield, and 17,696 internal medicine physician records in California.
All 214 in Bakersfield → All 17,696 in California → Every provider in Bakersfield →
Other internal medicine physician records in California
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- 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 Francis Arenas, M.D's NPI number?
Francis Arenas, M.D's National Provider Identifier (NPI) is 1275717647, issued on Dec 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Francis Arenas, M.D located?
The NPPES record lists a practice address at 620 34TH St, Bakersfield, CA, 93301. Phone: (661) 777-7707. Providers update this record themselves, so call before visiting.
How can I verify Francis Arenas, M.D's license?
NPPES lists California license number A105582, 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 Francis Arenas, M.D prescribe under Medicare Part D?
In 2024, Francis Arenas, M.D had 7,633 Medicare Part D claims for 616 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Francis Arenas, M.D's MIPS final score?
The 2023 MIPS final score is 25.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.