DR. CARLOS A ALVAREZ MD
NPI 1891805610
Internal Medicine in Bakersfield, CA

Q: What is Carlos Alvarez's NPI number?

The NPI number for Carlos Alvarez is 1891805610. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Q: What is Carlos Alvarez's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Carlos Alvarez was last updated on November 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 30, 2006PECOS Enrolled

35.48/100

CMS Quality Rating

6001-B TRUXTUN AVE #220, BAKERSFIELD, CA 93309(661) 489-9999(661) 489-5991 Get Directions Write a Review

NPPES record last updated: November 4, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 4, 2022, Jan 8, 2019, Dec 22, 2016 (3 updates tracked since 2016).

On this page

About Dr. Carlos A Alvarez Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CARLOS A ALVAREZ MD (NPI 1891805610) is an individual internal medicine provider in Bakersfield, California, licensed in California (A429860) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1981).

NPPES Registry Identity

NPI1891805610

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. CARLOS A ALVAREZCredential: MD

Location Address6001-B TRUXTUN AVE #220Bakersfield, CA 93309-9330

Mailing AddressPo Box 640Shafter, CA 93263-0640 · (661) 489-5999 · Fax (661) 489-5991

Phone(661) 489-9999

Fax(661) 489-5991

Sole ProprietorYes

Medical School CMSOtherGraduated 1981

Enumeration DateAugust 30, 2006

Last NPPES UpdateNovember 4, 20223 updates tracked since enumeration

NPPES CertifiedNovember 2, 2022

✔ NPI 1891805610 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · A429860

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Other Identifiers 2

OtherP00072073CA · Medicare Railroad

Medicaid00A429860CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Carlos A Alvarez Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID244124774

PECOS Enrollment IDI20040217000626

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Carlos Alvarez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Carlos A. Alvarez, M.D., Inc

Internal Medicine

9905 BACE AVE
Bakersfield, CA 93307

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Carlos A Alvarez MD Inc
4 clinicians in this Medicare group

NPI 1114484037 (661) 831-1100

Downtown Wellness A California Medical Corporation

Family Medicine

2901 F ST
Bakersfield, CA 93301

Reassigned Medicare billing, California enrollment
3 clinicians in this Medicare group

NPI 1811135320 (661) 374-4949

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 17

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

4,010 services608 patients

Therapy procedure using massage, each 15 minutes 97124

This therapy involves the application of pressure to your body's soft tissues using hands. It helps alleviate pain, reduce stress, and promote relaxation. Each session lasts for 15 minutes and can be tailored to your specific needs.

1,724 services45 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

1,705 services333 patients

Blood glucose (sugar) test performed by hand-held instrument 82962

A blood glucose test uses a handheld device to measure the amount of sugar in your blood. A small prick on your finger allows a drop of blood to be placed on a test strip, which is then read by the device. This helps monitor and manage diabetes effectively.

1,499 services290 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

1,190 services226 patients

Injection, ceftriaxone sodium, per 250 mg J0696

Ceftriaxone sodium is an antibiotic injection used to treat a variety of bacterial infections. Each injection contains 250 mg of the medicine. It works by stopping the growth of bacteria in your body.

990 services157 patients

Injection, ketorolac tromethamine, per 15 mg J1885

Ketorolac tromethamine is a medication administered through injection, often used to manage moderate to severe pain. Each 15 mg dose helps to reduce hormones causing inflammation and pain in the body. It is not recommended for long-term use.

769 services176 patients

Injection, dexamethasone sodium phosphate, 1 mg J1100

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

758 services89 patients

Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg J3420

This is a procedure where a small dose of Vitamin B-12, also known as Cyanocobalamin, is injected into your body. This vitamin is essential for nerve function and the production of red blood cells. It's often used to treat vitamin B-12 deficiency.

400 services158 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

199 services119 patients

Blood glucose (sugar) level 82947

A blood glucose level test measures the amount of sugar in your blood. It's often used to monitor and manage conditions like diabetes. High or low levels can indicate a health issue. The test is usually done by pricking your finger for a small blood sample.

167 services100 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

98 services98 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

80 services75 patients

Injection, depo-estradiol cypionate, up to 5 mg J1000

Depo-Estradiol Cypionate is an injection administered to supplement or replace the body's natural hormone levels. It can be used for a variety of health-related needs. The dose may vary, but will not exceed 5 mg. This is a routine, safe procedure.

48 services11 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

37 services37 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

21 services21 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

20 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93309 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$135.05 typical visit price

range $59.26 – $178.09

Typical copayment $33.76 (range $14.81 – $44.52)

Most-billed visit code 99204

Established Patient

$104.09 typical visit price

range $19.34 – $145.64

Typical copayment $26.02 (range $4.83 – $36.41)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

35.48/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

Improvement Activities

Cost

74.69

Referred Medical Equipment & Supplies CMS DME claims 14

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

41 suppliers160 claims336 services$5.58 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

29 suppliers64 claims72 services$0.89 avg. paid by Medicare

Ostomy skin barrier, with flange (solid, flexible or accordion), without built-in convexity, 4 x 4 inches or smaller, each A4414

DME-Orthotic Devices · category DF010N

1 supplier11 claims500 services$4.70 avg. paid by Medicare

Skin barrier, wipes or swabs, each A5120

DME-Orthotic Devices · category DF010N

2 suppliers11 claims500 services$0.23 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

3 suppliers30 claims30 services$13.84 avg. paid by Medicare

Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466

DME-Other DME · category DE005N

2 suppliers51 claims51 services$778.69 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Carlos Alvarez's NPI number?

The NPI number for Carlos Alvarez is 1891805610. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Where is Carlos Alvarez located?

Carlos Alvarez practices at 6001-B Truxtun Ave #220, Bakersfield, CA 93309. The listed phone number is (661) 489-9999.

What is Carlos Alvarez's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Carlos Alvarez enrolled in Medicare?

Yes. Carlos Alvarez is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Carlos Alvarez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carlos Alvarez reassigns Medicare benefits to 2 organizations: Carlos A. Alvarez, M.D., Inc (Bakersfield, CA) and Downtown Wellness A California Medical Corporation (Bakersfield, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Carlos Alvarez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Carlos Alvarez was last updated on November 4, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.