DR. RUBEN RUIZ M.D.
NPI 1912901471
Specialist in Rialto, CA

Q: What is Ruben Ruiz's NPI number?

The NPI number for Ruben Ruiz is 1912901471. It was assigned to this individual provider in the NPPES registry on June 10, 2005.

Q: What is Ruben Ruiz's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Ruben Ruiz was last updated on January 16, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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 June 10, 2005PECOS Enrolled

98.44/100

CMS Quality Rating

436 S RIVERSIDE AVE, RIALTO, CA 92376(909) 877-8868(909) 877-0008 Get Directions Write a Review

NPPES record last updated: January 16, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Ruben Ruiz M.d. NPPES

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

DR. RUBEN RUIZ M.D. (NPI 1912901471) is an individual specialist in Rialto, California, licensed in California (G052245) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of University Of California, Geffen School Of Medicine (1982).

NPPES Registry Identity

NPI1912901471

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameDR. RUBEN RUIZCredential: M.D.

Location Address436 S RIVERSIDE AVERialto, CA 92376

Mailing Address833 W Whittier BlvdMontebello, CA 90640-4735 · (323) 712-4811 · Fax (323) 544-6488

Phone(909) 877-8868

Fax(909) 877-0008

Sole ProprietorNo

Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 1982

Enumeration DateJune 10, 2005

Last NPPES UpdateJanuary 16, 2019

✔ NPI 1912901471 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in CA · G052245

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

436 S RIVERSIDE AVE, Rialto, CA 92376

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Secondary Practice Locations 3

Location 1901 W Whittier BlvdMontebello, CA 90640-4737 · Phone (323) 728-8588 · Fax (323) 728-4444

Location 2403 W F StOntario, CA 91762-3207 · Phone (909) 988-3288 · Fax (909) 988-6767

Location 3833 W Whittier BlvdMontebello, CA 90640-4735 · Phone (323) 712-4811 · Fax (323) 544-6488

Other Identifiers 3

MedicaidGR0060101CA

MedicaidGR0060100CA

MedicaidGR0060102CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ruben Ruiz M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3375431125

PECOS Enrollment IDI20061208000384

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 Ruben Ruiz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

R Ruiz M D A Medical Corp

Same address

Primary Care

436 S RIVERSIDE AVE
Rialto, CA 92376

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

NPI 1578599809 (909) 877-8868

Ruben Ruiz M D A Medical Corporation

18 mi

Primary Care

403 W F ST
Ontario, CA 91762

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

NPI 1043241821 (909) 988-3288

R Ruiz M D A Professional Corporation

43 mi

Primary Care

833 W WHITTIER BLVD
Montebello, CA 90640

Reassigned Medicare billing, California enrollment
Medicare enrollment name: R. Ruiz MD A Professional Corporation
4 clinicians in this Medicare group

NPI 1245261023 (213) 276-6776

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 36

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.

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.

1,800 services145 patients

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.

1,248 services417 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

944 services404 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.

730 services224 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

643 services379 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.

400 services120 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.

358 services77 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.

231 services231 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

126 services126 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.

120 services21 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.

115 services60 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.

110 services97 patients

Annual alcohol misuse screening, 5 to 15 minutes G0442

An annual alcohol misuse screening is a 15-minute check-up to assess your drinking habits. It helps identify if you're consuming alcohol in a way that could harm your health. This is not a judgment, but a tool to promote your wellbeing.

109 services109 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

105 services103 patients

Face-to-face behavioral counseling for obesity, 15 minutes G0447

This is a 15-minute consultation where a healthcare professional discusses your eating habits, physical activity, and goals to help manage your weight. The aim is to provide personalized strategies to promote a healthier lifestyle and combat obesity.

100 services71 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

83 services67 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.

65 services65 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

41 services40 patients

Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes G0446

This is a yearly, personal consultation focused on behaviors affecting heart health. It lasts 15 minutes and may cover topics like diet, exercise, and stress management. It's about learning healthy habits to protect your heart.

29 services29 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

26 services24 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

26 services24 patients

Stool analysis for blood to screen for colon tumors 82270

A stool analysis for blood is a non-invasive procedure used to check for the presence of hidden blood in your stool. This can be an early sign of colon tumors. The test involves collecting a small sample of stool at home and sending it to a lab for analysis.

23 services23 patients

Removal of impacted ear wax 69210

Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.

22 services22 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

22 services22 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.

20 services17 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

20 services20 patients

Transitional care management services for problem of high complexity 99496

Transitional care management services are designed to ensure a smooth transition from a hospital to home or another care setting for patients with complex health issues. These services include medication management, patient education, and coordination with healthcare providers.

19 services17 patients

Ultrasound of leg arteries or artery grafts 93925

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

18 services18 patients

Inhalation treatment for airway obstruction or sputum production 94640

Inhalation treatment, also known as nebulizer therapy, helps clear airway obstructions and reduce sputum production. It involves breathing in medication through a device, turning it into a mist. This can open up the airways, making breathing easier and helping to cough out mucus.

18 services16 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

17 services17 patients

Influenza vaccine, quadrivalent, 0.5 ml dosage 90688

The Influenza vaccine, quadrivalent, 0.5 ml dosage, is a flu shot to protect against four strains of the flu virus. It's given as a small injection, typically in the arm, to help your body build immunity and fight off potential flu infections.

15 services15 patients

Complete ultrasound scan of pelvis 76856

A complete ultrasound scan of the pelvis is a safe, non-invasive imaging procedure. It uses sound waves to create pictures of your lower abdomen area, helping doctors to evaluate and diagnose any potential issues. It's painless and usually takes about 30 minutes.

14 services14 patients

Complete ultrasound scan of joint 76881

A complete ultrasound scan of a joint is a non-invasive procedure using sound waves to create images of your joint. It helps identify problems like inflammation, injury, or disease. It's painless, safe, and doesn't involve radiation.

11 services11 patients

Blood count, hemoglobin 85018

A blood count, specifically hemoglobin, is a standard test that measures the amount of hemoglobin in your blood. Hemoglobin is a protein in red blood cells that carries oxygen throughout your body. This test helps assess your overall health and detect a variety of disorders such as anemia or polycythemia.

11 services11 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.

11 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.

11 services11 patients

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.

98.44/100

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

Individually scored

Quality

91.16

Improvement Activities

Cost

80.83

Reported Quality Measures

Breast Cancer Screening

68%172 patients3/55-star benchmark: 100%

Controlling High Blood Pressure

100%538 patients5/55-star benchmark: 98%

Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)

Lower rates are better for this measure.

48%523 patients3/55-star benchmark: 98%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

99%466 patients4/55-star benchmark: 100%

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

100%648 patients5/55-star benchmark: 100%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 100% · 3,326 patients

Patients screened: 100% · 3,326 patients

100%21 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 10

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

10 suppliers23 claims43 services$6.88 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

8 suppliers15 claims19 services$1.19 avg. paid by Medicare

For diabetics only, fitting (including follow-up), custom preparation and supply of off-the-shelf depth-inlay shoe manufactured to accommodate multi-density insert(s), per shoe A5500

DME-Orthotic Devices · category DF000N

2 suppliers16 claims32 services$61.54 avg. paid by Medicare

For diabetics only, multiple density insert, custom molded from model of patient's foot, total contact with patient's foot, including arch, base layer minimum of 3/16 inch material of shore a 35 durometer (or higher), includes arch filler and other shaping material, custom fabricated, each A5513

DME-Orthotic Devices · category DF000N

2 suppliers16 claims96 services$35.83 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 suppliers34 claims34 services$12.70 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

2 suppliers12 claims12 services$3.82 avg. paid by Medicare

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

Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MR. JESUS OMAR VALENZUELA FNP

Nurse Practitioner (Family)

436 S RIVERSIDE AVE
RIALTO, CA 92376

San Bernardino County (909) 877-8868

MRS. YESENIA VALLEJO CHW

Community Health Worker

436 S RIVERSIDE AVE
RIALTO, CA 92376

San Bernardino County (909) 877-8868

MS. MELISSA BARRIOS CHW

Community Health Worker

436 S RIVERSIDE AVE
RIALTO, CA 92376

San Bernardino County (909) 877-8868

OH J. KWON DDS, INC

Dentist

436 S RIVERSIDE AVE, SUITE B
RIALTO, CA 92376

San Bernardino County (909) 874-5200

MR. DARSHAN SATISH BHAKTA PHARM. D.

Pharmacist

436 S RIVERSIDE AVE
RIALTO, CA 92376

San Bernardino County (909) 961-2288

LLAXMI RX INC

Pharmacy (Community/Retail Pharmacy)

436 S RIVERSIDE AVE
RIALTO, CA 92376

San Bernardino County (909) 961-2288

VISTA PHARMACIES INC

Pharmacy (Community/Retail Pharmacy)

436 S RIVERSIDE AVE
RIALTO, CA 92376

San Bernardino County (909) 875-7260

MR. DIEGO H SEVILLA PHYSICIAN ASSISTANT

Physician Assistant

436 S RIVERSIDE AVE
RIALTO, CA 92376

San Bernardino County (909) 877-8868

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 Ruben Ruiz's NPI number?

The NPI number for Ruben Ruiz is 1912901471. It was assigned to this individual provider in the NPPES registry on June 10, 2005.

Where is Ruben Ruiz located?

Ruben Ruiz practices at 436 S Riverside Ave, Rialto, CA 92376. The listed phone number is (909) 877-8868.

What is Ruben Ruiz's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Ruben Ruiz enrolled in Medicare?

Yes. Ruben Ruiz is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ruben Ruiz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ruben Ruiz reassigns Medicare benefits to 3 organizations: R Ruiz M D A Medical Corp (Rialto, CA), Ruben Ruiz M D A Medical Corporation (Ontario, CA) and R Ruiz M D A Professional Corporation (Montebello, 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 Ruben Ruiz'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 Ruben Ruiz was last updated on January 16, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.