MARWAH SHAHID MD
NPI 1073042503
Internal Medicine - Cardiovascular Disease in Valencia, CA

Q: What is Marwah Shahid's NPI number?

The NPI number for Marwah Shahid is 1073042503. It was assigned to this individual provider in the NPPES registry on June 8, 2017.

Q: What is Marwah Shahid'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 Marwah Shahid was last updated on August 1, 2023. 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 June 08, 2017PECOS Enrolled

23861 MCBEAN PKWY STE E24, VALENCIA, CA 91355(661) 753-5461 Get Directions Write a Review

NPPES record last updated: August 1, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 25, 2022, Jun 8, 2017 (2 updates tracked since 2017).

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About Marwah Shahid Md NPPES

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

MARWAH SHAHID MD (NPI 1073042503) is an individual cardiovascular disease provider in Valencia, California, licensed in California (A170608) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (2017).

NPPES Registry Identity

NPI1073042503

Entity TypeIndividualFemale

Primary Taxonomy207RC0000X

Provider Legal NameMARWAH SHAHIDCredential: MD

Location Address23861 MCBEAN PKWY STE E24Valencia, CA 91355-4457

Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631 · (310) 301-8707

Phone(661) 753-5461

Sole ProprietorNo

Medical School CMSGeorgetown University School Of MedicineGraduated 2017

Enumeration DateJune 8, 2017

Last NPPES UpdateAugust 1, 20232 updates tracked since enumeration

NPPES CertifiedAugust 1, 2023

✔ NPI 1073042503 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 · A170608

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.

23861 MCBEAN PKWY STE E24, Valencia, CA 91355

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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 (PECOS)

Marwah Shahid Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6901263706

PECOS Enrollment IDI20230609002570

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

Henry Mayo Newhall Memorial Hospital

0.1 mi

General Acute Care Hospital

23845 MCBEAN PKWY
Valencia, CA 91355

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

NPI 1780668434 (661) 253-8000

The Regents Of The University Of California

23 mi

Internal Medicine

200 MEDICAL PLAZA, SUITE 365,530,420,250,120,214
Los Angeles, CA 90095

Reassigned Medicare billing, California enrollment
1,766 clinicians in this Medicare group

NPI 1235107566 (310) 794-1276

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 23

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.

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.

250 services95 patients

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.

244 services193 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.

152 services81 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.

131 services127 patients

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

122 services119 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.

121 services77 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

111 services39 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.

103 services93 patients

Heart muscle strain imaging 93356

Heart muscle strain imaging is a non-invasive test that uses sound waves to create pictures of your heart. It helps doctors evaluate how well your heart muscle is working and detect any damage or disease. This can aid in diagnosing heart conditions and guiding treatment plans.

51 services50 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.

51 services47 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

49 services49 patients

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

37 services35 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.

30 services30 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.

30 services30 patients

Injection, perflutren lipid microspheres, per ml Q9957

Perflutren lipid microspheres injection, per ml, is a diagnostic tool used to enhance ultrasound images. It contains tiny gas-filled bubbles that improve the clarity of the images, aiding in a more accurate diagnosis.

27 services13 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

16 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.

15 services15 patients

Injection, perflutren lipid microspheres, per ml Q9957

14 services14 patients

3d radiographic procedure 76376

A 3D radiographic procedure is a non-invasive imaging test that helps doctors visualize the internal structures of your body in three dimensions. This advanced technology provides detailed images, aiding in accurate diagnosis and treatment planning. It involves exposure to minimal radiation.

13 services13 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

12 services12 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.

12 services12 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.

12 services12 patients

Ultrasound of heart blood flow, valves and chambers 93320

An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91355 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 6

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

DR. MERI ANTOSSYAN D.O

Family Medicine

23861 MCBEAN PKWY STE E24
VALENCIA, CA 91355

Los Angeles County (661) 284-3100

JAY MUKESH PATEL M.D.

Internal Medicine (Cardiovascular Disease)

23861 MCBEAN PKWY STE E24
VALENCIA, CA 91355

Los Angeles County (661) 753-5461

DR. ERICA LYN ROMBLOM MD

Internal Medicine

23861 MCBEAN PKWY STE E24
SANTA CLARITA, CA 91355

Los Angeles County (661) 753-5464

REGENTS OF THE UNIVERSITY OF CALIFORNIA

Durable Medical Equipment & Medical Supplies

23861 MCBEAN PKWY STE E24
VALENCIA, CA 91355

Los Angeles County (661) 284-3100

TRI M TRINH M.D.

Internal Medicine (Cardiovascular Disease)

23861 MCBEAN PKWY STE E24
VALENCIA, CA 91355

Los Angeles County (661) 753-5461

DR. DAVID JOSEPH CHO MD, MBA

Internal Medicine (Cardiovascular Disease)

23861 MCBEAN PKWY STE E24
VALENCIA, CA 91355

Los Angeles County (661) 753-5461

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 Marwah Shahid's NPI number?

The NPI number for Marwah Shahid is 1073042503. It was assigned to this individual provider in the NPPES registry on June 8, 2017.

Where is Marwah Shahid located?

Marwah Shahid practices at 23861 Mcbean Pkwy Ste E24, Valencia, CA 91355. The listed phone number is (661) 753-5461.

What is Marwah Shahid's specialty?

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

Is Marwah Shahid enrolled in Medicare?

Yes. Marwah Shahid is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Marwah Shahid's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marwah Shahid reassigns Medicare benefits to 2 organizations: Henry Mayo Newhall Memorial Hospital (Valencia, CA) and The Regents Of The University Of California (Los Angeles, 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 Marwah Shahid'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 Marwah Shahid was last updated on August 1, 2023. 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.