DR. OSCAR GUILLERMO ZAMBRANO M.D.
NPI 1184628927
Internal Medicine - Cardiovascular Disease in Bell, CA

Q: What is Oscar Zambrano's NPI number?

The NPI number for Oscar Zambrano is 1184628927. It was assigned to this individual provider in the NPPES registry on June 9, 2005.

Q: What is Oscar Zambrano's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Oscar Zambrano was last updated on January 27, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 09, 2005PECOS EnrolledAccepts Medicare Assignment

6513 ATLANTIC AVE, BELL, CA 90201(323) 581-1649(323) 581-3472 Get Directions Write a Review

NPPES record last updated: January 27, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Oscar Guillermo Zambrano M.d. NPPES

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

DR. OSCAR GUILLERMO ZAMBRANO M.D. (NPI 1184628927) is an individual cardiovascular disease provider in Bell, California, licensed in California (A29529) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1972).

NPPES Registry Identity

NPI1184628927

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameDR. OSCAR GUILLERMO ZAMBRANOCredential: M.D.

Location Address6513 ATLANTIC AVEBell, CA 90201-2521

Mailing Address6513 Atlantic AveBell, CA 90201-2521 · (323) 581-1649 · Fax (323) 581-3472

Phone(323) 581-1649

Fax(323) 581-3472

Sole ProprietorNo

Medical School CMSOtherGraduated 1972

Enumeration DateJune 9, 2005

Last NPPES UpdateJanuary 27, 2011

✔ NPI 1184628927 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in CA · A29529

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

6513 ATLANTIC AVE, Bell, CA 90201

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Other Identifiers 4

Medicare UPINA83973CA

Medicare ID-Type UnspecifiedHA29529ACA · Medicare Prov #

Medicare ID-Type UnspecifiedA29529CA · Medicare Prov #

Medicaid00A295290CA

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

Dr. Oscar Guillermo Zambrano M.d. 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 ID4183621642

PECOS Enrollment IDI20061026000396

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 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.

369 services249 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.

305 services191 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.

134 services96 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.

131 services119 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

70 services69 patients

Injection, regadenoson, 0.1 mg J2785

Regadenoson injection, 0.1 mg, is a medication used to help visualize the heart during a stress test. It works by increasing blood flow in the arteries of the heart. It's injected into a vein and is generally well-tolerated.

53 services14 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.

51 services51 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.

33 services33 patients

Technetium tc-99m sestamibi, diagnostic, per study dose A9500

Technetium Tc-99m Sestamibi is a diagnostic test used to create images of your heart or breast tissues. It involves a safe radioactive substance injection that helps doctors to detect any abnormalities or changes in these tissues.

30 services15 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.

17 services17 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

16 services16 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 93015

An exercise or drug-induced heart stress test with ECG is a procedure performed by a doctor to assess how your heart responds to exertion. It involves monitoring your heart's electrical activity while you exercise or after medication is given to mimic exercise effects.

15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90201 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

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

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

Referred Medical Equipment & Supplies CMS DME claims 6

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

37 suppliers155 claims362 services$5.13 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

32 suppliers93 claims121 services$0.96 avg. paid by Medicare

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260

DME-Hospital Beds · category DB000N

1 supplier18 claims18 services$34.20 avg. paid by Medicare

Standard wheelchair K0001

DME-Wheelchairs · category DD000N

1 supplier29 claims29 services$15.13 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

1 supplier11 claims11 services$184.95 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512

Treatment-Chemotherapy · category RH012N

1 supplier11 claims15 services$12.68 avg. paid by Medicare

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

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Other Providers at the Same Location NPPES 4

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

MICHAEL DONALD WANG M.D.

Internal Medicine (Geriatric Medicine)

6513 ATLANTIC AVE
BELL, CA 90201

Los Angeles County (562) 444-5450

OSCAR ZAMBRANO M.D. INC

Internal Medicine (Cardiovascular Disease)

6513 ATLANTIC AVE
BELL, CA 90201

Los Angeles County (323) 581-1649

MARIA LEMUS FNP

Nurse Practitioner (Family)

6513 ATLANTIC AVE
BELL, CA 90201

Los Angeles County (323) 581-1649

WELCOME HEALTH CARES, P.C.

Internal Medicine

6513 ATLANTIC AVE
BELL, CA 90201

Los Angeles County (562) 444-5450

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 Oscar Zambrano's NPI number?

The NPI number for Oscar Zambrano is 1184628927. It was assigned to this individual provider in the NPPES registry on June 9, 2005.

Where is Oscar Zambrano located?

Oscar Zambrano practices at 6513 Atlantic Ave, Bell, CA 90201. The listed phone number is (323) 581-1649.

What is Oscar Zambrano's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Oscar Zambrano enrolled in Medicare?

Yes. Oscar Zambrano 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 Oscar Zambrano was last updated on January 27, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.