Administration, TopicalDisease Models, AnimalFibronectins
Dr. Regina Yun Baker, MD
NPI1225227812PAC ID3678610961
- Medicare services, 2024
- 53
- Medicare patients, 2024
- 50
- Publications
- 1
- Hospital affiliations
- 3
- Industry payments
- $3,295
- Practice address
- 1450 San Pablo St, Los Angeles, CA 90033
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Keck Medicine of USC - USC Roski Eye Institute - Ophthalmology - HOPD
Acute Care Hospital outpatient department · Los Angeles, California
Find Dr. Baker's professional email, personal email and mobile number
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Dr. Regina Yun Baker is a plastic surgeon in Los Angeles, California
Dr. Baker practices at Keck Medicine of USC - USC Roski Eye Institute - Ophthalmology - HOPD in Los Angeles, California.
Dr. Baker's NPI, 1225227812, was assigned on October 18, 2007. Dr. Baker graduated from Keck School of Medicine of USC in 2003. Dr. Baker holds California license A91060.
NPI and contact details
- NPI
- 1225227812NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678610961
- NPI enumeration date
- October 18, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Regina Yun Baker practices at Keck Medicine of USC - USC Roski Eye Institute - Ophthalmology - HOPD in Los Angeles, California
Dr. Baker's primary practice is Keck Medicine of USC - USC Roski Eye Institute - Ophthalmology - HOPD, at 1450 San Pablo St, Los Angeles, CA 90033.
- Keck Medicine of USC - USC Roski Eye Institute - Ophthalmology - HOPD1450 San Pablo St, Los Angeles, CA 90033
Source: Dmand AI Affiliation Data
Dr. Regina Yun Baker is affiliated with 7 sites of care and 2 medical groups
Dr. Baker's primary practice is Keck Medicine of USC - USC Roski Eye Institute - Ophthalmology - HOPD in Los Angeles, California. Dr. Baker is also affiliated with Keck Hospital of USC. The medical group on file is USC Care Medical Group. Dmand AI also links Dr. Baker to 2 more hospitals, 2 group practices and clinics, 1 other site and 1 medical group, each named with a free account. Dr. Baker's employer is on file too: a hospital.
Keck Medicine of USC - USC Roski Eye Institute - Ophthalmology - HOPDPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Regina Yun Baker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Baker practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Keck Medicine of USC - USC Roski Eye Institute - Ophthalmology - HOPD | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Regina Yun Baker is one of 778 plastic surgeons in California
Plastic surgery is Dr. Baker's primary specialty in the NPI Registry, under taxonomy code 208200000X. Dr. Baker is board certified in plastic surgery by the American Board of Plastic Surgery. Dr. Baker is licensed in California.
Specialties and state licenses
- Plastic surgery, CaliforniaPrimary
Clinical focus
Dmand AI lists breast reconstruction and breast surgery among the conditions Dr. Baker treats.
Plastic surgeons near Dr. Baker
Counts of plastic surgeons 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. Regina Yun Baker billed Medicare for 53 services in 2024
CMS data shows 53 Medicare services from Dr. Baker across 3 procedure codes in 2024, all of them office visits, for 50 Medicare patients. Medicare paid $5,457 for them. Every service was in an office.
Medicare services, 202453
Medicare patients50
Paid by Medicare$5,457
Procedure codes3
Dr. Baker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 382024: 5339%
Dr. Baker compared with the California median for plastic surgeons, 2024
- Dr. Baker
- California median
- Medicare services
- 53vs 589% below
- Medicare patients
- 50vs 5915% below
Medians across 622 plastic surgeons in California with Dmand AI profiles that report each measure.
Dr. Baker'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. Baker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Baker and other plastic surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Regina Yun Baker treated 50 Medicare patients in 2024, average age 69
CMS counts 50 Medicare patients who saw Dr. Baker in 2024. The largest group is 65 to 74, with 30 patients. 70% of them have high cholesterol, and 64% have cancer. Their average risk score is 1.00, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Baker's median patient age at 49, with 90% women.
Medicare patients, 202450
Average age69
Average risk score1.00
Dr. Baker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Baker's Medicare patients, 2024
- High cholesterol70%
- Cancer64%
- Arthritis58%
- High blood pressure56%
- Anxiety36%
- Osteoporosis32%
- Depression28%
- Mood disorders28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Baker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women90%
- Men8%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Regina Yun Baker ranks in the 72nd percentile for mastectomy in Medicare
Dr. Baker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 15 procedures of mastectomy by Dr. Baker, more than 72% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Baker ranks in Medicare procedure volume
- Mastectomy
- 72nd percentile15 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Regina Yun Baker has 1 publication on record
Dmand AI links 1 paper to Dr. Baker in 2017. Dr. Baker's most frequent co-authors are Kian Banks, Athanasios Bramos, MD and Daniel Gardner, MD.
Papers1
Dr. Baker's most frequent co-authors
- Kian Banks1 shared paper
- Athanasios Bramos, MD1 shared paper
- Daniel Gardner, MD1 shared paper
Recent publications by Dr. Baker
See who Dr. Baker researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Baker works with, so you can find a warm path to the right plastic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Regina Yun Baker received $3,295 in industry payments from 2016 to 2025
CMS Open Payments shows 19 general payments to Dr. Baker from 11 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 40% of the total. Allergan Inc. paid the most, $1,325.
General payments to Dr. Baker by program year, 2016 to 2025
General payments to Dr. Baker by kind, 2016 to 2025
$3.3Kin total
- Food and beverage$1,31140%
- Gifts$1,18436%
- Consulting fees$80024%
Companies that paid Dr. Baker the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Regina Yun Baker graduated from Keck School of Medicine of USC
Dr. Baker graduated from Keck School of Medicine of USC in 2003.
- Medical school
- Board certified in plastic surgery
Source: Dmand AI Professional Profile Data
Dr. Regina Yun Baker accepts plans from 10 insurance carriers
Dr. Baker is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Aspirus Health Plan
- CMS Medicare
- +2 more carriersWith a free account
Plan types Dr. Baker accepts, by number of carriers
- Medicare8
- PPO6
- HMO4
- POS4
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Regina Yun Baker'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Regina Yun Baker
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. Regina Yun Baker's NPI number?
Dr. Regina Yun Baker's NPI number is 1225227812. It was assigned on October 18, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Regina Yun Baker?
Dr. Regina Yun Baker is a plastic surgeon in Los Angeles, California. The primary specialty in the NPI Registry is Plastic Surgery Physician (taxonomy code 208200000X).
Where does Dr. Regina Yun Baker practice?
Dr. Baker practices at 1450 San Pablo St, Los Angeles, CA 90033. Dr. Baker's primary practice is Keck Medicine of USC - USC Roski Eye Institute - Ophthalmology - HOPD in Los Angeles, California. Dmand AI also links Dr. Baker to 2 hospitals, 2 group practices and clinics, 1 other site and 1 medical group.
What is Dr. Regina Yun Baker's medical license number?
Dr. Baker holds California license A91060.
Which hospitals is Dr. Regina Yun Baker affiliated with?
Dr. Baker is affiliated with Keck Hospital of USC. Dmand AI links Dr. Baker to 2 more hospitals.
What medical group is Dr. Regina Yun Baker part of?
Dr. Baker is linked to USC Care Medical Group. Dmand AI links Dr. Baker to 1 more medical group.
Does Dr. Regina Yun Baker accept Medicare?
Yes. CMS data shows Dr. Baker billed Medicare for 53 services in 2024, and Dr. Baker accepts Medicare assignment.
How many Medicare patients does Dr. Regina Yun Baker see?
CMS counts 50 Medicare patients who saw Dr. Baker in 2024, with an average age of 69.
Is Dr. Regina Yun Baker board certified?
Yes. Dr. Baker is board certified in plastic surgery by the American Board of Plastic Surgery.
What services does Dr. Regina Yun Baker bill to Medicare?
In 2024, Dr. Baker's most billed Medicare services were office visit, new patient (99205), office visit, established patient (99214) and office visit, established patient (99213).
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Where did Dr. Regina Yun Baker go to medical school?
Dr. Baker graduated from Keck School of Medicine of USC in 2003.
Has Dr. Regina Yun Baker received payments from drug or device companies?
CMS Open Payments shows $3,295 in general payments to Dr. Baker from 11 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. Regina Yun Baker been practicing?
Dr. Baker graduated from medical school in 2003, 23 years ago.
Does Dr. Regina Yun Baker do research?
Dmand AI links 1 publication to Dr. Baker.
Who does Dr. Regina Yun Baker publish with?
Dr. Baker's most frequent co-authors are Kian Banks (1 shared paper), Athanasios Bramos, MD (1 shared paper) and Daniel Gardner, MD (1 shared paper).
What insurance does Dr. Regina Yun Baker accept?
Dr. Baker is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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