Dr. John Jae Yang, MD
- Medicare services, 2024
- 159
- Medicare patients, 2024
- 274
- Hospital affiliations
- 2
- Industry payments
- $252
- Medical groups
- 2
- Practice address
- 27700 Medical Center Rd, Mission Viejo, CA 92691
- Practice phone
- Call (949) 365-2447
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Mission Hospital - Unit
Acute Care Hospital-Unit · Mission Viejo, California
Find Dr. Yang's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John Jae Yang is an anesthesiologist in Mission Viejo, California
Dr. Yang practices at Mission Hospital - Unit in Mission Viejo, California.
Dr. Yang's NPI, 1043211659, was assigned on August 4, 2005. Dr. Yang graduated from Perelman School of Medicine - Philadelphia in 2000. Dr. Yang's Maryland license number on file is D0061732.
- NPI
- 1043211659NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406836279
- NPI enumeration date
- August 4, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (949) 365-2447
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Jae Yang practices at Mission Hospital - Unit in Mission Viejo, California
Dr. Yang's primary practice is Mission Hospital - Unit, at 27700 Medical Center Rd, Mission Viejo, CA 92691 in Orange County. The practice phone is (949) 365-2447.
- Mission Hospital - Unit27700 Medical Center Rd, Mission Viejo, CA 92691 · Orange CountyPhone(949) 365-2447
Source: Dmand AI Affiliation Data
Dr. John Jae Yang is affiliated with 2 sites of care and 2 medical groups
Dr. Yang's primary practice is Mission Hospital - Unit in Mission Viejo, California. Dr. Yang is also affiliated with Providence Mission Hospital. The medical group on file is Mission Anesthesia Consultants. Dmand AI also links Dr. Yang to 1 more medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Jae Yang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mission Hospital - Unit | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Jae Yang is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Yang's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Yang is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Yang's licenses on file in 2 states: Maryland and California.
Specialties and state licenses
- Anesthesiology, MarylandPrimary
- California license
Anesthesiologists near Dr. Yang
Counts of anesthesiologists 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. John Jae Yang billed Medicare for 159 services in 2024
CMS data shows 159 Medicare services from Dr. Yang across 6 procedure codes in 2024, for 274 Medicare patients. Medicare paid $19,580 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Yang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 1222024: 15930%
- Surgery
- 2023: 122024: 0100%
Dr. Yang compared with the California median for anesthesiologists, 2024
- Dr. Yang
- California median
- Medicare services
- 159vs 722.2 times
- Medicare patients
- 274vs 14392% above
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Yang'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.
Need commercial claims for Dr. Yang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Yang and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Jae Yang treated 274 Medicare patients in 2024, average age 75
CMS counts 274 Medicare patients who saw Dr. Yang in 2024. The largest group is 65 to 74, with 128 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.44, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Yang's median patient age at 68, with 54% women.
Dr. Yang's Medicare patients by age, 2024
Dr. Yang's Medicare patients by sex, 2024
- Women14653%
- Men12847%
Chronic conditions among Dr. Yang's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis50%
- Ischemic heart disease30%
- Diabetes28%
- Chronic kidney disease24%
- Mood disorders23%
- Anxiety22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Yang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. John Jae Yang takes part in Medicare
Dr. Yang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John Jae Yang received $252 in industry payments from 2016 to 2023
CMS Open Payments shows 15 general payments to Dr. Yang from 8 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $80.
General payments to Dr. Yang by program year, 2016 to 2023
Companies that paid Dr. Yang the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Jae Yang graduated from Perelman School of Medicine - Philadelphia
Dr. Yang graduated from Perelman School of Medicine - Philadelphia in 2000.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. John Jae Yang accepts plans from 1 insurance carrier
Dr. Yang is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. John Jae Yang'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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. John Jae Yang
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. John Jae Yang's NPI number?
Dr. John Jae Yang's NPI number is 1043211659. It was assigned on August 4, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John Jae Yang?
Dr. John Jae Yang is an anesthesiologist in Mission Viejo, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. John Jae Yang practice?
Dr. Yang practices at 27700 Medical Center Rd, Mission Viejo, CA 92691. Dr. Yang's primary practice is Mission Hospital - Unit in Mission Viejo, California. Dmand AI also links Dr. Yang to 1 medical group.
What is Dr. John Jae Yang's office phone number?
The practice phone on file for Dr. Yang is (949) 365-2447.
What is Dr. John Jae Yang's medical license number?
Dr. Yang's Maryland license number on file is D0061732, one of the licenses on file in 2 states.
Which states has Dr. John Jae Yang been licensed in?
Dmand AI has state licenses on file for Dr. Yang in Maryland (2004 to 2021) and California (2020 to 2026).
Which hospitals is Dr. John Jae Yang affiliated with?
Dr. Yang is affiliated with Providence Mission Hospital. Dmand AI links Dr. Yang to 1 more hospital.
What medical group is Dr. John Jae Yang part of?
Dr. Yang is linked to Mission Anesthesia Consultants. Dmand AI links Dr. Yang to 1 more medical group.
Does Dr. John Jae Yang accept Medicare?
Yes. CMS data shows Dr. Yang billed Medicare for 159 services in 2024, and Dr. Yang accepts Medicare assignment.
How many Medicare patients does Dr. John Jae Yang see?
CMS counts 274 Medicare patients who saw Dr. Yang in 2024, with an average age of 75.
Show 6 more questionsShow fewer questions
Is Dr. John Jae Yang board certified?
Yes. Dr. Yang is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. John Jae Yang bill to Medicare?
In 2024, Dr. Yang's most billed Medicare services were anesthesia (00142), anesthesia (00731) and anesthesia (00811).
Where did Dr. John Jae Yang go to medical school?
Dr. Yang graduated from Perelman School of Medicine - Philadelphia in 2000.
Has Dr. John Jae Yang received payments from drug or device companies?
CMS Open Payments shows $252 in general payments to Dr. Yang from 8 companies from 2016 to 2023. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. John Jae Yang been practicing?
Dr. Yang graduated from medical school in 2000, 26 years ago.
What insurance does Dr. John Jae Yang accept?
Dr. Yang is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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