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MR. GUSTAVO ALBERTO ALZA SR. MD
NPI 1942498464
Internal Medicine in Los Angeles, CA

Active since October 10, 2007PECOS EnrolledAccepts Medicare Assignment
97.74/100
CMS Quality Rating
5224 N FIGUEROA STREET, LOS ANGELES, CA 90042(323) 259-0456(323) 259-8486 Get Directions Write a Review

NPPES record last updated: December 3, 2007. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Mr. Gustavo Alberto Alza Sr. Md NPPES

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

MR. GUSTAVO ALBERTO ALZA SR. MD (NPI 1942498464) is an individual internal medicine provider in Los Angeles, California, licensed in California (G48749) and active in the NPI registry since October 2007. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (1981).

NPPES Registry Identity

NPI1942498464
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMR. GUSTAVO ALBERTO ALZA SR.Credential: MD
Location Address5224 N FIGUEROA STREETLos Angeles, CA 90042-4118
Mailing Address5224 N Figueroa StreetLos Angeles, CA 90042-4118 · (323) 259-0456 · Fax (323) 259-8486
Phone(323) 259-0456
Fax(323) 259-8486
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 1981
Enumeration DateOctober 10, 2007
Last NPPES UpdateDecember 3, 2007
✔ NPI 1942498464 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 · G48749
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.
5224 N FIGUEROA STREET, Los Angeles, CA 90042
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Other Identifiers 7

Other954049700CA · Blue Shield #
Medicaid00G487490CA
Other954049700CA · Blue Cross #
Other954049700CA · Blue Cross/blue Shield #
Medicare PINWG48749ACA
Other010017308CA · Railroad Medicare #
Medicare UPINA51160CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Gustavo Alberto Alza Sr. Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6507045531
PECOS Enrollment IDI20120210000636
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.

Areas of Expertise CMS Part B claims 12

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.
703 services99 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.
152 services89 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.
103 services67 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.
92 services92 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
74 services52 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.
73 services73 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90042 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

97.74/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality96.37
Improvement Activities40
Cost69.3

Reported Quality Measures

Appropriate Treatment for Upper Respiratory Infection (URI)
100%521 patients5/55-star benchmark: 100%
Breast Cancer Screening
47%47 patients3/55-star benchmark: 93%
Cervical Cancer Screening
2%64 patients1/55-star benchmark: 98%
Colorectal Cancer Screening
19%157 patients1/55-star benchmark: 88%
Controlling High Blood Pressure
64%142 patients3/55-star benchmark: 91%
Diabetes: Eye Exam
42%74 patients2/55-star benchmark: 100%
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
Lower rates are better for this measure.
23%74 patients4/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
99%2,095 patients4/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
81%122 patients4/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
62%340 patients3/55-star benchmark: 98%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
70%327 patients3/55-star benchmark: 97%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
37%698 patients3/55-star benchmark: 61%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients combinedPopulations: 77% · 300 patients
Patients screened: 83% · 300 patients
10%20 patients1/55-star benchmark: 100%
Use of High-Risk Medications in Older Adults
Lower rates are better for this measure.
Patients appropriateDiagnosis: 30% · 127 patients
Patients totalRate: 43% · 127 patients
25%127 patients2/55-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 8

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

Replacement battery, alkaline (other than j cell), for use with medically necessary home blood glucose monitor owned by patient, each A4233
DME-Other DME · category DE017N
2 suppliers12 claims24 services$0.44 avg. paid by Medicare
Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
12 suppliers68 claims157 services$6.76 avg. paid by Medicare
Normal, low and high calibrator solution / chips A4256
DME-Other DME · category DE000N
2 suppliers21 claims21 services$2.93 avg. paid by Medicare
Spring-powered device for lancet, each A4258
DME-Other DME · category DE000N
3 suppliers11 claims11 services$1.81 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
9 suppliers33 claims44 services$1.14 avg. paid by Medicare
Urinary drainage bag, leg or abdomen, latex, with or without tube, with straps, each A5112
DME-Orthotic Devices · category DF000N
2 suppliers13 claims13 services$27.57 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

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

GUSTAVO A ALZA MD A MEDICAL CORPORATION
Internal Medicine
5224 N FIGUEROA STREET
LOS ANGELES, CA 90042
Los Angeles County (323) 259-0456

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 Gustavo Alza's NPI number?

The NPI number for Gustavo Alza is 1942498464. It was assigned to this individual provider in the NPPES registry on October 10, 2007.

Where is Gustavo Alza located?

Gustavo Alza practices at 5224 N Figueroa Street, Los Angeles, CA 90042. The listed phone number is (323) 259-0456.

What is Gustavo Alza's specialty?

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

Is Gustavo Alza enrolled in Medicare?

Yes. Gustavo Alza is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Gustavo Alza was last updated on December 3, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.