Erwin Grussie

  • Beverly Hills, CA
  • Hematologist and oncologist
NPI1679917561PAC ID0244510865
Medicare services, 2024
17,001
Medicare patients, 2024
515
Part D claims, 2024
1,587
Publications
1
Clinical trials
2
Practice address
8501 Wilshire Blvd, Beverly Hills, CA 90211
Practice phone
Call (310) 385-3200
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Cedars-Sinai Medical Care Foundation

Beverly Hills, California

See all 10 affiliations

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Erwin Grussie is a hematologist and oncologist in Beverly Hills, California

Erwin Grussie practices at Cedars-Sinai Medical Care Foundation in Beverly Hills, California.

Erwin Grussie's NPI, 1679917561, was assigned on April 22, 2013. Erwin Grussie graduated from Charité - Universitätsmedizin Berlin in 2008. Erwin Grussie holds California license A138355.

NPI and contact details
Medicare PAC ID
0244510865
NPI enumeration date
April 22, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(310) 385-3200
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
44
Medical school graduation
2008

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Erwin Grussie practices at Cedars-Sinai Medical Care Foundation in Beverly Hills, California

Erwin Grussie's primary practice is Cedars-Sinai Medical Care Foundation, at 8501 Wilshire Blvd, Beverly Hills, CA 90211 in Los Angeles County. The practice phone is (310) 385-3200.

  • Cedars-Sinai Medical Care Foundation
    8501 Wilshire Blvd, Beverly Hills, CA 90211 · Los Angeles CountyPhone(310) 385-3200

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Erwin Grussie is affiliated with 8 sites of care and 2 medical groups

Erwin Grussie's primary practice is Cedars-Sinai Medical Care Foundation in Beverly Hills, California. Erwin Grussie is also affiliated with Cedars-Sinai Medical Center. The medical group on file is Cedars-Sinai Medical Group. Dmand AI also links Erwin Grussie to 3 more hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.

See all 10 affiliations for Erwin Grussie

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Erwin Grussie's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Erwin Grussie practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Cedars-Sinai Medical Care FoundationAvailable with a free account
+7 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Erwin Grussie is one of 1,502 hematologists and oncologists in California

Hematology and oncology is Erwin Grussie's primary specialty in the NPI Registry, under taxonomy code 207RH0003X. Erwin Grussie is board certified in hematology by the American Board of Internal Medicine. Erwin Grussie is licensed in California.

Specialties and state licenses

  • Hematology and oncology, CaliforniaPrimaryLicense A138355 · 2015 to 2027 · taxonomy 207RH0003X

Clinical focus

Dmand AI lists breast cancer, chronic anemia, chronic leukemia, colorectal cancer, fluid and electrolyte imbalances, lung cancer, lymphoma and multiple myeloma among the conditions Erwin Grussie treats.

Hematologists and oncologists near Erwin Grussie

Counts of hematologists and oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Erwin Grussie billed Medicare for 17,001 services in 2024

CMS data shows 17,001 Medicare services from Erwin Grussie across 18 procedure codes in 2024, for 515 Medicare patients. Medicare paid $498,708 for them.

Medicare services, 202417,001
Medicare patients515
Paid by Medicare$498,708
Procedure codes18

Erwin Grussie's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 11,5282024: 8,70325%
Lab and pathology
2023: 3,7952024: 3,5935%
Office and hospital visits
2023: 3,1462024: 2,77112%
Surgery
2023: 1,5972024: 1,5781%
Tests and treatments
2023: 4152024: 35614%

Where Erwin Grussie's Medicare services took place, 2024

  • In an office16,15895%
  • In a facility8435%

Erwin Grussie compared with the California median for hematologists and oncologists, 2024

  • Erwin Grussie
  • California median
Medicare services
17,001vs 93218.2 times
Medicare patients
515vs 2252.3 times
Part D claims
1,306vs 3943.3 times

Medians across 1,367 hematologists and oncologists in California with Dmand AI profiles that report each measure.

Erwin Grussie's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Erwin Grussie

Need commercial claims for Erwin Grussie?

Medicare shows one payer. Book a meeting to get commercial claims data for Erwin Grussie and other hematologists and oncologists in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Erwin Grussie treated 515 Medicare patients in 2024, average age 76

CMS counts 515 Medicare patients who saw Erwin Grussie in 2024. The largest group is 75 to 84, with 191 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 48% are also on Medicaid. Their average risk score is 2.43, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Erwin Grussie's median patient age at 73, with 59% women.

Medicare patients, 2024515
Average age76
Average risk score2.43
Also on Medicaid48%

Erwin Grussie's Medicare patients by age, 2024

Erwin Grussie's Medicare patients by sex, 2024

  • Women30559%
  • Men21041%

Chronic conditions among Erwin Grussie's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis62%
  4. Cancer58%
  5. Diabetes46%
  6. Ischemic heart disease43%
  7. Chronic kidney disease37%
  8. Mood disorders36%

Share of Medicare patients with each condition. A patient can have several.

Erwin Grussie's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women59%
  • Men40%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Erwin Grussie wrote 1,587 Medicare Part D claims in 2024

In 2024, Erwin Grussie wrote 1,587 Medicare Part D claims for 220 patients. 78% of them were for generic drugs. CMS names the drug for 1,306 of them, across 39 drugs with 11 or more claims each, at $2,128,884 in total drug cost. In 2023, CMS named 981 claims across 33 drugs.

Part D claims, 20241,587
Drugs named by CMS39
Total drug cost$2.1M
Part D patients220

Erwin Grussie's Part D claims by kind of drug, 2024

  • Generic1,236 claims78%
  • Brand-name and other351 claims22%

Erwin Grussie's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Erwin Grussie's Part D claims, 2024

  • Opioids5%84 of 1,587 claims
  • Antibiotics4%64 of 1,587 claims
  • Antipsychotics, patients 65 and over2%25 of 1,587 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 9812024: 1,30633%

Drugs named by CMS: 39 in 2024, 33 in 2023.

See all prescribing by Erwin Grussie

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Erwin Grussie offers telehealth to Medicare patients

Erwin Grussie accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Erwin Grussie as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Erwin Grussie has 1 publication on record

Dmand AI links 1 paper to Erwin Grussie in 2019. Erwin Grussie's most frequent co-authors are Andrew M. Brunner, MD, Andrew A. Lane, MD, PhD and Raajit Rampal, MD.

Papers1

Erwin Grussie's most frequent co-authors

Recent publications by Erwin Grussie

See all 1 publications and co-authors

See who Erwin Grussie researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Erwin Grussie works with, so you can find a warm path to the right hematologists and oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Erwin Grussie has worked on 2 clinical trials

Dmand AI links Erwin Grussie to 2 clinical trials. 1 is still active or recruiting. Conditions studied include Breast Neoplasms, Triple Negative Breast Neoplasms and Breast Diseases.

Conditions in Erwin Grussie's trials

  • Breast Neoplasms
  • Triple Negative Breast Neoplasms
  • Breast Diseases

Investigators on the most trials with Erwin Grussie

Recent clinical trials with Erwin Grussie

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Erwin Grussie received $2,879 in industry payments from 2016 to 2025

CMS Open Payments shows 63 general payments to Erwin Grussie from 29 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Amgen Inc. paid the most, $789. It also lists 1 research payment totaling $8,324 in 2022.

General payments to Erwin Grussie by program year, 2016 to 2025

General payments to Erwin Grussie by kind, 2016 to 2025

$2.9Kin total
  • Food and beverage$2,83398%
  • Education$462%

Companies that paid Erwin Grussie the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Erwin Grussie

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Erwin Grussie graduated from Charité - Universitätsmedizin Berlin

Erwin Grussie graduated from Charité - Universitätsmedizin Berlin in 2008.

  1. Medical schoolCharité - Universitätsmedizin Berlin
  2. Board certified in hematologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine
  4. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Erwin Grussie accepts plans from 15 insurance carriers

Erwin Grussie is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • Alliant Health Plans
  • +7 more carriersWith a free account

Plan types Erwin Grussie accepts, by number of carriers

  1. PPO9
  2. HMO7
  3. Medicare7
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Erwin Grussie's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Erwin Grussie

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Erwin Grussie's NPI number?

Erwin Grussie's NPI number is 1679917561. It was assigned on April 22, 2013, and it is active in the NPI Registry.

What does Erwin Grussie specialize in?

Erwin Grussie is a hematologist and oncologist in Beverly Hills, California. The primary specialty in the NPI Registry is Hematology & Oncology Physician (taxonomy code 207RH0003X).

Where does Erwin Grussie practice?

Erwin Grussie practices at 8501 Wilshire Blvd, Beverly Hills, CA 90211. Erwin Grussie's primary practice is Cedars-Sinai Medical Care Foundation in Beverly Hills, California. Dmand AI also links Erwin Grussie to 3 hospitals, 2 group practices and clinics, 1 home health agency and 1 medical group.

What is Erwin Grussie's office phone number?

The practice phone on file for Erwin Grussie is (310) 385-3200.

What is Erwin Grussie's medical license number?

Erwin Grussie holds California license A138355.

Which hospitals is Erwin Grussie affiliated with?

Erwin Grussie is affiliated with Cedars-Sinai Medical Center. Dmand AI links Erwin Grussie to 3 more hospitals.

What medical group is Erwin Grussie part of?

Erwin Grussie is linked to Cedars-Sinai Medical Group. Dmand AI links Erwin Grussie to 1 more medical group.

Does Erwin Grussie accept Medicare?

Yes. CMS data shows Erwin Grussie billed Medicare for 17,001 services in 2024, and Erwin Grussie accepts Medicare assignment.

Does Erwin Grussie offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Erwin Grussie as offering telehealth services.

How many Medicare patients does Erwin Grussie see?

CMS counts 515 Medicare patients who saw Erwin Grussie in 2024, with an average age of 76.

Show 9 more questionsShow fewer questions

Is Erwin Grussie board certified?

Yes. Erwin Grussie is board certified in hematology by the American Board of Internal Medicine.

What services does Erwin Grussie bill to Medicare?

In 2024, Erwin Grussie's most billed Medicare services were injected or infused drug (J0897), office visit, established patient (99214) and surgery: heart and blood vessels (36415).

Where did Erwin Grussie go to medical school?

Erwin Grussie graduated from Charité - Universitätsmedizin Berlin in 2008.

What drugs does Erwin Grussie prescribe most?

In 2024 Medicare Part D data, Erwin Grussie's most prescribed drugs by claims were Eliquis, Anastrozole and Abiraterone Acetate.

Has Erwin Grussie received payments from drug or device companies?

CMS Open Payments shows $2,879 in general payments to Erwin Grussie from 29 companies from 2016 to 2025. The largest total came from Amgen Inc.

How long has Erwin Grussie been practicing?

Erwin Grussie graduated from medical school in 2008, 18 years ago.

Does Erwin Grussie do research?

Dmand AI links 1 publication to Erwin Grussie. Erwin Grussie has worked on 2 clinical trials.

Who does Erwin Grussie publish with?

Erwin Grussie's most frequent co-authors are Andrew M. Brunner, MD (1 shared paper), Andrew A. Lane, MD, PhD (1 shared paper) and Raajit Rampal, MD (1 shared paper).

What insurance does Erwin Grussie accept?

Erwin Grussie is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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