Joseph Daniel Grubic
- Medicare services, 2024
- 27
- Medicare patients, 2024
- 32
- Part D claims, 2024
- 187
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 9333 Imperial Highway, Downey, CA 90242
- Practice phone
- Call (562) 461-6007
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Joseph Grubic's professional email, personal email and mobile number
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Joseph Daniel Grubic is an emergency medicine physician in Downey, California
Joseph Grubic practices at Downey Medical Center in Downey, California, part of Kaiser Permanente.
Joseph Grubic's NPI, 1033405030, was assigned on June 28, 2011. Joseph Grubic graduated from David Geffen School of Medicine at UCLA in 2011. Joseph Grubic holds California license A135581.
- NPI
- 1033405030NPI Registry (opens in a new tab)
- NPI enumeration date
- June 28, 2011
- NPI status
- Active
- Practice phone
- (562) 461-6007
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Joseph Daniel Grubic practices at Downey Medical Center in Downey, California
Joseph Grubic's primary practice is Downey Medical Center, at 9333 Imperial Highway, Downey, CA 90242 in Los Angeles County. The practice phone is (562) 461-6007.
- Downey Medical Center9333 Imperial Highway, Downey, CA 90242 · Los Angeles CountyPhone(562) 461-6007
Source: Dmand AI Affiliation Data
Joseph Daniel Grubic is affiliated with 2 sites of care and 1 medical group
Joseph Grubic's primary practice is Downey Medical Center in Downey, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Joseph Grubic to 1 more breast imaging center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Joseph Daniel Grubic's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Joseph Grubic practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Downey Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Joseph Daniel Grubic is one of 7,423 emergency medicine physicians in California
Emergency medicine is Joseph Grubic's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Joseph Grubic is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Joseph Grubic's licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- Illinois license
Emergency medicine physicians near Joseph Grubic
Counts of emergency medicine physicians 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
Joseph Daniel Grubic billed Medicare for 27 services in 2024
CMS data shows 27 Medicare services from Joseph Grubic across 1 procedure code in 2024, for 32 Medicare patients. Medicare paid $1,861 for them. Every service was in a facility, such as a hospital, rather than an office.
Joseph Grubic's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 172024: 2759%
Joseph Grubic compared with the California median for emergency medicine physicians, 2024
- Joseph Grubic
- California median
- Medicare services
- 27vs 26590% below
- Medicare patients
- 32vs 24387% below
- Part D claims
- 65vs 62Close to median
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Joseph Grubic'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Joseph Grubic and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Joseph Daniel Grubic treated 32 Medicare patients in 2024, average age 70
CMS counts 32 Medicare patients who saw Joseph Grubic in 2024. The largest group is 65 to 74, with 14 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 3.22, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Joseph Grubic's median patient age at 53, with 63% women.
Joseph Grubic's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Joseph Grubic's Medicare patients by sex, 2024
- Women2063%
- Men1238%
Chronic conditions among Joseph Grubic's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes69%
- Chronic kidney disease56%
- Arthritis47%
- Depression38%
- Heart failure38%
- Mood disorders38%
Share of Medicare patients with each condition. A patient can have several.
Joseph Grubic's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Joseph Daniel Grubic wrote 187 Medicare Part D claims in 2024
In 2024, Joseph Grubic wrote 187 Medicare Part D claims for 132 patients. 92% of them were for generic drugs. CMS names the drug for 65 of them, across 2 drugs with 11 or more claims each, at $662 in total drug cost. In 2023, CMS named 49 claims across 3 drugs.
Joseph Grubic's Part D claims by kind of drug, 2024
- Generic172 claims92%
- Brand-name15 claims8%
Joseph Grubic'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 Joseph Grubic's Part D claims, 2024
- Opioids9%17 of 187 claims
- Antibiotics36%67 of 187 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: 492024: 6533%
Drugs named by CMS: 2 in 2024, 3 in 2023.
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
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Joseph Daniel Grubic graduated from David Geffen School of Medicine at UCLA
Joseph Grubic graduated from David Geffen School of Medicine at UCLA in 2011.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Joseph Daniel Grubic accepts plans from 1 insurance carrier
Joseph Grubic is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Joseph Grubic accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Joseph Daniel Grubic's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Joseph Daniel Grubic
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Joseph Daniel Grubic's NPI number?
Joseph Daniel Grubic's NPI number is 1033405030. It was assigned on June 28, 2011, and it is active in the NPI Registry.
What does Joseph Daniel Grubic specialize in?
Joseph Daniel Grubic is an emergency medicine physician in Downey, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Joseph Daniel Grubic practice?
Joseph Grubic practices at 9333 Imperial Highway, Downey, CA 90242. Joseph Grubic's primary practice is Downey Medical Center in Downey, California, part of Kaiser Permanente. Dmand AI also links Joseph Grubic to 1 breast imaging center.
What is Joseph Daniel Grubic's office phone number?
The practice phone on file for Joseph Grubic is (562) 461-6007.
What is Joseph Daniel Grubic's medical license number?
Joseph Grubic holds California license A135581, one of the licenses on file in 2 states.
Which states has Joseph Daniel Grubic been licensed in?
Dmand AI has state licenses on file for Joseph Grubic in California (2015 to 2027) and Illinois (2014 to 2015).
Which hospitals is Joseph Daniel Grubic affiliated with?
Joseph Grubic practices at Downey Medical Center in Downey, California.
What medical group is Joseph Daniel Grubic part of?
Joseph Grubic is linked to Southern California Permanente Medical Group.
Does Joseph Daniel Grubic accept Medicare?
Yes. CMS data shows Joseph Grubic billed Medicare for 27 services in 2024.
How many Medicare patients does Joseph Daniel Grubic see?
CMS counts 32 Medicare patients who saw Joseph Grubic in 2024, with an average age of 70.
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Is Joseph Daniel Grubic board certified?
Yes. Joseph Grubic is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Joseph Daniel Grubic bill to Medicare?
In 2024, Joseph Grubic's most billed Medicare services were emergency department visit (99284).
Where did Joseph Daniel Grubic go to medical school?
Joseph Grubic graduated from David Geffen School of Medicine at UCLA in 2011.
What drugs does Joseph Daniel Grubic prescribe most?
In 2024 Medicare Part D data, Joseph Grubic's most prescribed drugs by claims were Cephalexin and Meloxicam.
How long has Joseph Daniel Grubic been practicing?
Joseph Grubic graduated from medical school in 2011, 15 years ago.
What insurance does Joseph Daniel Grubic accept?
Joseph Grubic is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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