Carlos Alvarez, MD
NPI 1891805610 · Internal Medicine Physician · Bakersfield, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Carlos Alvarez, MD is a Internal Medicine Physician provider in Bakersfield, CA (NPI 1891805610).
Provider details
- NPI number
- 1891805610
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A429860 (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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
9,560 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 | 4,010 | $122 |
| Therapy Procedure Using Massage, Each 15 Minutes97124 | 1,724 | $24 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 1,705 | $14 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 1,499 | $3 |
| Urinalysis, Manual Test81002 | 199 | $3 |
| Blood Glucose (sugar) Level82947 | 167 | $4 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 211 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 807 | 280 |
| Lisinopril | 770 | 265 |
| Metformin Hcl | 635 | 227 |
| Levothyroxine Sodium | 628 | 180 |
| Tamsulosin Hcl | 572 | 210 |
| Gabapentin | 524 | 180 |
| Amlodipine Besylate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,987 across 169 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
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2022-11-04
- Certified
- 2022-11-02
Frequently asked questions
- What is Carlos Alvarez's NPI number?
- Carlos Alvarez's National Provider Identifier (NPI) is 1891805610, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carlos Alvarez's specialty?
- Carlos Alvarez is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Carlos Alvarez located?
- Carlos Alvarez's practice location on file with NPPES is 6001-B Truxtun Ave #220, Bakersfield, CA 93309-9330.
- What is Carlos Alvarez's phone number?
- The practice phone number listed in the NPPES registry for Carlos Alvarez is (661) 489-9999.
- Does Carlos Alvarez accept Medicare?
- Carlos Alvarez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Carlos Alvarez's NPI active?
- Yes — Carlos Alvarez's NPI (1891805610) is active in the NPPES registry as of the last update on 2022-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.