Dr. Cory Johnson, MD
- Medicare services, 2024
- 425
- Medicare patients, 2024
- 265
- Part D claims, 2024
- 369
- MIPS score, 2024
- 86
- Hospital affiliations
- 3
- Practice address
- 3440 E La Palma Ave, Anaheim, CA 92806
- Practice phone
- Call (714) 279-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Johnson's professional email, personal email and mobile number
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Dr. Cory Johnson is an emergency medicine physician in Anaheim, California
Dr. Johnson practices at Orange County - Anaheim Medical Center in Anaheim, California, part of Kaiser Permanente.
Dr. Johnson's NPI, 1780173849, was assigned on May 4, 2018. Dr. Johnson graduated from David Geffen School of Medicine at UCLA in 2021. Dr. Johnson's California license number on file is A166309.
- NPI
- 1780173849NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0749675585
- NPI enumeration date
- May 4, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 279-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Cory Johnson practices at Orange County - Anaheim Medical Center in Anaheim, California
Dr. Johnson's primary practice is Orange County - Anaheim Medical Center, at 3440 E La Palma Ave, Anaheim, CA 92806 in Orange County. The practice phone is (714) 279-4000.
- Orange County - Anaheim Medical Center3440 E La Palma Ave, Anaheim, CA 92806 · Orange CountyPhone(714) 279-4000
Source: Dmand AI Affiliation Data
Dr. Cory Johnson is affiliated with 3 sites of care and 2 medical groups
Dr. Johnson's primary practice is Orange County - Anaheim Medical Center in Anaheim, California, part of Kaiser Permanente. Dr. Johnson is also affiliated with Scripps Memorial Hospital Encinitas. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Johnson to 1 more hospital and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Cory Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Orange County - Anaheim Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Cory Johnson is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Johnson is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Johnson has a license on file in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Johnson
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
Dr. Cory Johnson billed Medicare for 425 services in 2024
CMS data shows 425 Medicare services from Dr. Johnson across 6 procedure codes in 2024, for 265 Medicare patients. Medicare paid $34,800 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3402024: 26821%
- Tests and treatments
- 2023: 2172024: 14533%
- Imaging
- 2023: 832024: 1286%
Dr. Johnson compared with the California median for emergency medicine physicians, 2024
- Dr. Johnson
- California median
- Medicare services
- 425vs 26560% above
- Medicare patients
- 265vs 2439% above
- Part D claims
- 194vs 623.1 times
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Johnson'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
Dr. Cory Johnson treated 265 Medicare patients in 2024, average age 78
CMS counts 265 Medicare patients who saw Dr. Johnson in 2024. The largest group is 75 to 84, with 106 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.82, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 48, with 58% women.
Dr. Johnson's Medicare patients by age, 2024
Dr. Johnson's Medicare patients by sex, 2024
- Women16261%
- Men10339%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis54%
- Anxiety35%
- Ischemic heart disease35%
- Mood disorders34%
- Atrial fibrillation33%
- Chronic kidney disease33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 48
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Cory Johnson wrote 369 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 369 Medicare Part D claims for 232 patients. 91% of them were for generic drugs. CMS names the drug for 194 of them, across 8 drugs with 11 or more claims each, at $1,962 in total drug cost. In 2023, CMS named 201 claims across 9 drugs.
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic334 claims91%
- Brand-name and other35 claims9%
Dr. Johnson'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 Dr. Johnson's Part D claims, 2024
- Opioids12%45 of 369 claims
- Antibiotics24%89 of 369 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: 2012024: 1943%
Drugs named by CMS: 8 in 2024, 9 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
Dr. Cory Johnson scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Johnson for performance year 2024, reported as part of a group. Dr. Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Johnson's MIPS scores, performance year 2024
- 86of 100Final score
- 81.6of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Cory Johnson graduated from David Geffen School of Medicine at UCLA
Dr. Johnson graduated from David Geffen School of Medicine at UCLA in 2021.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Cory Johnson accepts plans from 6 insurance carriers
Dr. Johnson is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Elevance
- HCSC
Plan types Dr. Johnson accepts, by number of carriers
- PPO3
- Medicare2
- POS2
- EPO1
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Cory Johnson'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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 Dr. Cory Johnson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Cory Johnson's NPI number?
Dr. Cory Johnson's NPI number is 1780173849. It was assigned on May 4, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Cory Johnson?
Dr. Cory Johnson is an emergency medicine physician in Anaheim, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Cory Johnson practice?
Dr. Johnson practices at 3440 E La Palma Ave, Anaheim, CA 92806. Dr. Johnson's primary practice is Orange County - Anaheim Medical Center in Anaheim, California, part of Kaiser Permanente. Dmand AI also links Dr. Johnson to 1 hospital and 1 medical group.
What is Dr. Cory Johnson's office phone number?
The practice phone on file for Dr. Johnson is (714) 279-4000.
What is Dr. Cory Johnson's medical license number?
Dr. Johnson's California license number on file is A166309.
Which hospitals is Dr. Cory Johnson affiliated with?
Dr. Johnson practices at Orange County - Anaheim Medical Center in Anaheim, California. Dr. Johnson is also affiliated with Scripps Memorial Hospital Encinitas. Dmand AI links Dr. Johnson to 1 more hospital.
What medical group is Dr. Cory Johnson part of?
Dr. Johnson is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Johnson to 1 more medical group.
Does Dr. Cory Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 425 services in 2024, and Dr. Johnson accepts Medicare assignment.
What is Dr. Cory Johnson's MIPS score?
Dr. Johnson's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does Dr. Cory Johnson see?
CMS counts 265 Medicare patients who saw Dr. Johnson in 2024, with an average age of 78.
Show 6 more questionsShow fewer questions
Is Dr. Cory Johnson board certified?
Yes. Dr. Johnson is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Cory Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were heart test or procedure (93010), emergency department visit (99285) and emergency department visit (99284).
Where did Dr. Cory Johnson go to medical school?
Dr. Johnson graduated from David Geffen School of Medicine at UCLA in 2021.
What drugs does Dr. Cory Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Ondansetron ODT, Hydrocodone-Acetaminophen and Ibuprofen.
How long has Dr. Cory Johnson been practicing?
Dr. Johnson graduated from medical school in 2021, 5 years ago.
What insurance does Dr. Cory Johnson accept?
Dr. Johnson is in network with 6 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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