SHARON GREWAL MD
NPI 1831719624
Internal Medicine in Northridge, CA

Active since April 21, 2020PECOS EnrolledAccepts Medicare Assignment
18546 ROSCOE BLVD STE 300, NORTHRIDGE, CA 91324(818) 886-4028 Get Directions Write a Review

NPPES record last updated: February 9, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 21, 2026, Dec 16, 2025, Jun 4, 2025 and 1 more (4 updates tracked since 2020).

About Sharon Grewal Md NPPES

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

SHARON GREWAL MD (NPI 1831719624) is an individual internal medicine provider in Northridge, California, licensed in California (A197172) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1831719624
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameSHARON GREWALCredential: MD
Location Address18546 ROSCOE BLVD STE 300Northridge, CA 91324-5458
Mailing AddressPo Box 35380Las Vegas, NV 89133-5380 · (702) 579-3203
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateApril 21, 2020
Last NPPES UpdateFebruary 9, 20264 updates tracked since enumeration
NPPES CertifiedFebruary 9, 2026
NPI 1831719624 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses Licensed in CA · A197172 Licensed in OR · MD218612
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.
18546 ROSCOE BLVD STE 300, Northridge, CA 91324

Accepted Insurance

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

Sharon Grewal 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 ID1254720808
PECOS Enrollment IDI20250328002563
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 4

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.
157 services102 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.
113 services93 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.
48 services48 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.
20 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91324 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.

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.

Family Medicine (Adult Medicine)
18546 ROSCOE BLVD STE 300
NORTHRIDGE, CA 91324
Internal Medicine
18546 ROSCOE BLVD STE 300
NORTHRIDGE, CA 91324
Internal Medicine
18546 ROSCOE BLVD STE 300
NORTHRIDGE, CA 91324
Nurse Practitioner (Family)
18546 ROSCOE BLVD STE 300
NORTHRIDGE, CA 91324
Nurse Practitioner (Family)
18546 ROSCOE BLVD STE 300
NORTHRIDGE, CA 91324
Family Medicine
18546 ROSCOE BLVD STE 300
NORTHRIDGE, CA 91324

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 Sharon Grewal's NPI number?

The NPI number for Sharon Grewal is 1831719624. It was assigned to this individual provider in the NPPES registry on April 21, 2020.

Where is Sharon Grewal located?

Sharon Grewal practices at 18546 Roscoe Blvd Ste 300, Northridge, CA 91324. The listed phone number is (818) 886-4028.

What is Sharon Grewal's specialty?

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

Is Sharon Grewal enrolled in Medicare?

Yes. Sharon Grewal 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.

What insurance does Sharon Grewal accept?

Health plans from BridgeSpan Health Company, Providence Health Plan and Regence BlueCross BlueShield of Oregon list Sharon Grewal as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Sharon Grewal was last updated on February 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.