DR. SHAZIA MAHMOOD HASAN M.D.
NPI 1073565107
Internal Medicine - Cardiovascular Disease in Hawthorne, CA

Q: What is Shazia Hasan's NPI number?

The NPI number for Shazia Hasan is 1073565107. It was assigned to this individual provider in the NPPES registry on May 17, 2006.

Q: What is Shazia Hasan'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 Shazia Hasan was last updated on April 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 May 17, 2006PECOS EnrolledAccepts Medicare Assignment

11633 HAWTHORNE BLVD, SUITE 400, HAWTHORNE, CA 90250(310) 675-1400 Get Directions Write a Review

NPPES record last updated: April 13, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Shazia Mahmood Hasan M.d. NPPES

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

DR. SHAZIA MAHMOOD HASAN M.D. (NPI 1073565107) is an individual cardiovascular disease provider in Hawthorne, California, licensed in California (A55223) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (1994).

NPPES Registry Identity

NPI1073565107

Entity TypeIndividualFemale

Primary Taxonomy207RC0000X

Provider Legal NameDR. SHAZIA MAHMOOD HASANCredential: M.D.

Location Address11633 HAWTHORNE BLVD, SUITE 400Hawthorne, CA 90250-2321

Mailing Address11633 Hawthorne Blvd, Suite 400Hawthorne, CA 90250-2321 · (310) 675-1400

Phone(310) 675-1400

Sole ProprietorYes

Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 1994

Enumeration DateMay 17, 2006

Last NPPES UpdateApril 13, 2021

NPPES CertifiedApril 13, 2021

✔ NPI 1073565107 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 · A55223

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.

11633 HAWTHORNE BLVD, Hawthorne, CA 90250

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Shazia Mahmood Hasan 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 ID6305856469

PECOS Enrollment IDI20060503000619

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 Shazia Hasan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Providence Medical Institute

6.2 mi

Family Medicine

4101 TORRANCE BLVD
Torrance, CA 90503

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

NPI 1235182569 (310) 793-8075

Southern California Hospitalist Network Medical Group Inc

29 mi

Internal Medicine

625 THE CITY DR S STE 320
Orange, CA 92868

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

NPI 1790880458 (714) 202-2330

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 15

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

440 services201 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.

180 services102 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.

90 services88 patients

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

80 services79 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

75 services46 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

60 services56 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

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.

26 services25 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

21 services21 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

21 services21 patients

Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report 93351

This procedure involves using ultrasound technology to create images of your heart while you rest, exercise, or undergo drug-induced stress. An ECG continuously monitors your heart's electrical activity. It helps doctors assess heart health and function.

19 services19 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

15 services15 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.

14 services13 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

12 services11 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

12 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90250 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.

Other Providers at the Same Location NPPES 20

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

PHILIP CORDOVA PT

Physical Therapist

11633 HAWTHORNE BLVD, SUITE 201
HAWTHORNE, CA 90250

Los Angeles County (310) 263-1632

ALWAYS STAY HOME NURSING SERVICE INC.

Home Health

11633 HAWTHORNE BLVD, SUITE 220
HAWTHORNE, CA 90250

Los Angeles County (310) 219-2857

FARSHID MOOSSAZADEH M.D.

Obstetrics & Gynecology

11633 HAWTHORNE BLVD, SUITE 300
HAWTHORNE, CA 90250

Los Angeles County (310) 355-1950

HALA A.AHMED AL-SHAWE DDS

Dentist (General Practice)

11633 HAWTHORNE BLVD, #502
HAWTHORNE, CA 90250

Los Angeles County (310) 644-4464

MR. DUANE E BRIDGES M.D.

Internal Medicine (Clinical Cardiac Electrophysiology)

11633 HAWTHORNE BLVD, #400
HAWTHORNE, CA 90250

Los Angeles County (310) 973-0600

SHAZIA M HASAN MD INC

Internal Medicine (Cardiovascular Disease)

11633 HAWTHORNE BLVD, SUITE 400
HAWTHORNE, CA 90250

Los Angeles County (310) 675-1400

ALWAYS STAY HOME NURSING SERVICE INC.

Home Health

11633 HAWTHORNE BLVD, SUITE 220
HAWTHORNE, CA 90250

Los Angeles County (310) 219-2857

SOUTH BAY ELECTROPHYSIOLOGY INC

Internal Medicine (Clinical Cardiac Electrophysiology)

11633 HAWTHORNE BLVD, SUITE 400
HAWTHORNE, CA 90250

Los Angeles County (310) 973-0600

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 Shazia Hasan's NPI number?

The NPI number for Shazia Hasan is 1073565107. It was assigned to this individual provider in the NPPES registry on May 17, 2006.

Where is Shazia Hasan located?

Shazia Hasan practices at 11633 Hawthorne Blvd Suite 400, Hawthorne, CA 90250. The listed phone number is (310) 675-1400.

What is Shazia Hasan's specialty?

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

Is Shazia Hasan enrolled in Medicare?

Yes. Shazia Hasan 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.

Which organizations bill Medicare for Shazia Hasan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shazia Hasan reassigns Medicare benefits to 2 organizations: Providence Medical Institute (Torrance, CA) and Southern California Hospitalist Network Medical Group Inc (Orange, 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 Shazia Hasan'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 Shazia Hasan was last updated on April 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.