ERWIN GRUSSIE
NPI 1679917561
Internal Medicine - Hematology in Los Angeles, CA

Active since April 22, 2013PECOS EnrolledAccepts Medicare Assignment
11800 WILSHIRE BLVD # 2F, LOS ANGELES, CA 90025(310) 231-2121 Get Directions Write a Review

NPPES record last updated: October 13, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Erwin Grussie NPPES

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

ERWIN GRUSSIE (NPI 1679917561) is an individual hematology provider in Los Angeles, California, licensed in California (A138355) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS and is a graduate of Other (2008).

NPPES Registry Identity

NPI1679917561
Entity TypeIndividualMale
Primary Taxonomy207RH0000X
Provider Legal NameERWIN GRUSSIE
Location Address11800 WILSHIRE BLVD # 2FLos Angeles, CA 90025-6602
Mailing Address181 S Buena Vista StBurbank, CA 91505-4504 · (818) 748-4900
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateApril 22, 2013
Last NPPES UpdateOctober 13, 2025
NPPES CertifiedOctober 13, 2025
NPI 1679917561 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · HematologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0000X
License Licensed in CA · A138355
Definition
An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License A138355 (CA)
11800 WILSHIRE BLVD # 2F, Los Angeles, CA 90025

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

Erwin Grussie 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 ID244510865
PECOS Enrollment IDI20200124001571
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 18

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.

Injection, denosumab, 1 mg J0897
Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.
8,640 services23 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.
1,680 services306 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.
1,578 services327 patients
Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
1,557 services330 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
1,515 services325 patients
Lactate dehydrogenase (enzyme) level 83615
A Lactate Dehydrogenase level test measures the amount of this enzyme in your body. It's often done when tissue damage is suspected, as high levels can indicate issues like heart disease, lung disease, liver disease, or blood disorders. This test helps in diagnosing and monitoring these conditions.
462 services143 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90025 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
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
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.

Referred Medical Equipment & Supplies CMS DME claims 2

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

Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier20 claims1,716 services$0.79 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
1 supplier12 claims12 services$18.95 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Erwin Grussie's NPI number?

The NPI number for Erwin Grussie is 1679917561. It was assigned to this individual provider in the NPPES registry on April 22, 2013.

Where is Erwin Grussie located?

Erwin Grussie practices at 11800 Wilshire Blvd # 2F, Los Angeles, CA 90025. The listed phone number is (310) 231-2121.

What is Erwin Grussie's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.

Is Erwin Grussie enrolled in Medicare?

Yes. Erwin Grussie 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 Erwin Grussie was last updated on October 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.