Derek Joseph Orejel

  • Los Angeles, CA
  • Hospitalist
NPI1245520790PAC ID6103040787
Medicare services, 2024
44
Medicare patients, 2024
37
Part D claims, 2024
235
Hospital affiliations
1
Medical groups
2
Practice address
6041 Cadillac Ave, Los Angeles, CA 90034
Practice phone
Call (213) 857-2201
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

West Los Angeles Medical Center

Hospital · Los Angeles, California

See all 4 affiliations

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Derek Joseph Orejel is a hospitalist in Los Angeles, California

Derek Orejel practices at West Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente.

Derek Orejel's NPI, 1245520790, was assigned on April 18, 2011. Derek Orejel graduated from University of California, Geffen School of Medicine in 2011. Derek Orejel holds California license A124440.

NPI and contact details
Medicare PAC ID
6103040787
NPI enumeration date
April 18, 2011
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(213) 857-2201
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; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Derek Joseph Orejel practices at West Los Angeles Medical Center in Los Angeles, California

Derek Orejel's primary practice is West Los Angeles Medical Center, at 6041 Cadillac Ave, Los Angeles, CA 90034 in Los Angeles County. The practice phone is (213) 857-2201.

Source: Dmand AI Affiliation Data

Derek Joseph Orejel is affiliated with 2 sites of care and 2 medical groups

Derek Orejel's primary practice is West Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Derek Orejel to 1 more dialysis center and 1 medical group, each named with a free account.

See all 4 affiliations for Derek Orejel

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Derek Joseph Orejel's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Derek Orejel practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
West Los Angeles Medical CenterAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Derek Joseph Orejel is one of 3,186 hospitalists in California

Hospitalist is Derek Orejel's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Derek Orejel is licensed in California.

Specialties and state licenses

  • Hospitalist, CaliforniaPrimaryLicense A124440 · taxonomy 208M00000X

Hospitalists near Derek Orejel

Counts of hospitalists 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

Derek Joseph Orejel billed Medicare for 44 services in 2024

CMS data shows 44 Medicare services from Derek Orejel across 2 procedure codes in 2024, for 37 Medicare patients. Medicare paid $4,437 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202444
Medicare patients37
Paid by Medicare$4,437
Procedure codes2

Derek Orejel's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 572024: 4423%

Derek Orejel compared with the California median for hospitalists, 2024

  • Derek Orejel
  • California median
Medicare services
44vs 43090% below
Medicare patients
37vs 20182% below
Part D claims
64vs 697% below

Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.

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

Derek Joseph Orejel treated 37 Medicare patients in 2024, average age 72

CMS counts 37 Medicare patients who saw Derek Orejel in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 3.03, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Derek Orejel's median patient age at 67, with 56% women.

Medicare patients, 202437
Average age72
Average risk score3.03

Derek Orejel's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Derek Orejel's Medicare patients by sex, 2024

  • Women1849%
  • Men1951%

Chronic conditions among Derek Orejel's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Heart failure70%
  4. Diabetes65%
  5. Anxiety59%
  6. Chronic kidney disease59%
  7. Arthritis54%
  8. Ischemic heart disease51%

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

Derek Orejel's patients across all payers

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

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women56%
  • Men43%

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

Derek Joseph Orejel wrote 235 Medicare Part D claims in 2024

In 2024, Derek Orejel wrote 235 Medicare Part D claims for 97 patients. 85% of them were for generic drugs. CMS names the drug for 64 of them, across 4 drugs with 11 or more claims each, at $842 in total drug cost. In 2023, CMS named 133 claims across 8 drugs.

Part D claims, 2024235
Drugs named by CMS4
Total drug cost$842
Part D patients97

Derek Orejel's Part D claims by kind of drug, 2024

  • Generic200 claims85%
  • Brand-name and other35 claims15%

Derek Orejel'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 Derek Orejel's Part D claims, 2024

  • Antibiotics19%44 of 235 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: 1332024: 6452%

Drugs named by CMS: 4 in 2024, 8 in 2023.

See all prescribing by Derek Orejel

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

Derek Joseph Orejel offers telehealth to Medicare patients

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

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Derek Joseph Orejel graduated from University of California, Geffen School of Medicine

Derek Orejel graduated from University of California, Geffen School of Medicine in 2011.

  1. Medical schoolUniversity of California, Geffen School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Derek Joseph Orejel'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy 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)
Training, board certification and membershipsDmand AI Professional Profile 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 Derek Joseph Orejel

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

What is Derek Joseph Orejel's NPI number?

Derek Joseph Orejel's NPI number is 1245520790. It was assigned on April 18, 2011, and it is active in the NPI Registry.

What does Derek Joseph Orejel specialize in?

Derek Joseph Orejel is a hospitalist in Los Angeles, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Derek Joseph Orejel practice?

Derek Orejel practices at 6041 Cadillac Ave, Los Angeles, CA 90034. Derek Orejel's primary practice is West Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente. Dmand AI also links Derek Orejel to 1 dialysis center and 1 medical group.

What is Derek Joseph Orejel's office phone number?

The practice phone on file for Derek Orejel is (213) 857-2201.

What is Derek Joseph Orejel's medical license number?

Derek Orejel holds California license A124440.

Which hospitals is Derek Joseph Orejel affiliated with?

Derek Orejel practices at West Los Angeles Medical Center in Los Angeles, California.

What medical group is Derek Joseph Orejel part of?

Derek Orejel is linked to Southern California Permanente Medical Group. Dmand AI links Derek Orejel to 1 more medical group.

Does Derek Joseph Orejel accept Medicare?

Yes. CMS data shows Derek Orejel billed Medicare for 44 services in 2024, and Derek Orejel accepts Medicare assignment.

Does Derek Joseph Orejel offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Derek Orejel as offering telehealth services.

How many Medicare patients does Derek Joseph Orejel see?

CMS counts 37 Medicare patients who saw Derek Orejel in 2024, with an average age of 72.

Show 4 more questionsShow fewer questions

What services does Derek Joseph Orejel bill to Medicare?

In 2024, Derek Orejel's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99223).

Where did Derek Joseph Orejel go to medical school?

Derek Orejel graduated from University of California, Geffen School of Medicine in 2011.

What drugs does Derek Joseph Orejel prescribe most?

In 2024 Medicare Part D data, Derek Orejel's most prescribed drugs by claims were Cefpodoxime Proxetil, Prednisone and Amlodipine Besylate.

How long has Derek Joseph Orejel been practicing?

Derek Orejel graduated from medical school in 2011, 15 years ago.

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