Francis Arenas, M.D
NPI 1275717647 · Internal Medicine Physician · Bakersfield, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Francis Arenas, M.D is a Internal Medicine Physician provider in Bakersfield, CA (NPI 1275717647).
Provider details
- NPI number
- 1275717647
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- No
- License
- A105582 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
4,115 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,455 | $127 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 785 | $16 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 746 | $3 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 389 | $14 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 233 | $83 |
| X-Ray of Chest, 2 Views |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 112 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 530 | 181 |
| Rosuvastatin Calcium | 360 | 112 |
| Metformin Hcl | 352 | 125 |
| Losartan Potassium | 332 | 122 |
| Levothyroxine Sodium | 312 | 92 |
| Dapagliflozin Propanediolbrand: Farxiga | 290 | 66 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$310 across 13 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 5401 White LnBakersfield, CA 93309-6279Phone: (661) 836-4000Fax: (661) 847-4097
Registry dates
- Enumerated
- 2007-12-20
- Last updated
- 2020-01-30
- Certified
- 2020-01-30
Frequently asked questions
- What is Francis Arenas's NPI number?
- Francis Arenas's National Provider Identifier (NPI) is 1275717647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Francis Arenas's specialty?
- Francis Arenas is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Francis Arenas located?
- Francis Arenas's practice location on file with NPPES is 620 34th St, Bakersfield, CA 93301-2208.
- What is Francis Arenas's phone number?
- The practice phone number listed in the NPPES registry for Francis Arenas is (661) 777-7707.
- Does Francis Arenas accept Medicare?
- Francis Arenas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Francis Arenas's NPI active?
- Yes — Francis Arenas's NPI (1275717647) is active in the NPPES registry as of the last update on 2020-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.