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Dr. Crystal Emerald Tan, MD, MS
NPI1346683489PAC ID5799009619
- Medicare services, 2020
- 77
- Medicare patients, 2024
- 22
- Publications
- 3
- Hospital affiliations
- 3
- Industry payments
- $242
- Practice address
- 101 City Drive South, Orange, CA 92868
- Practice phone
- Call (714) 456-7890
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tan's professional email, personal email and mobile number
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Dr. Crystal Emerald Tan is an anesthesiologist in Orange, California
Dr. Tan practices at UCI Health - Orange in Orange, California, part of UC Irvine.
Dr. Tan's NPI, 1346683489, was assigned on April 8, 2013. Dr. Tan graduated from University of California, San Francisco School of Medicine in 2013. Dr. Tan holds California license A161886.
NPI and contact details
- NPI
- 1346683489NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799009619
- NPI enumeration date
- April 8, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 456-7890
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Crystal Emerald Tan practices at UCI Health - Orange in Orange, California
Dr. Tan's primary practice is UCI Health - Orange, at 101 City Drive South, Orange, CA 92868 in Orange County. The practice phone is (714) 456-7890.
- UCI Health - Orange101 City Drive South, Orange, CA 92868 · Orange CountyPhone(714) 456-7890
Source: Dmand AI Affiliation Data
Dr. Crystal Emerald Tan is affiliated with 3 sites of care and 5 medical groups
Dr. Tan's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Dr. Tan is also affiliated with Long Beach Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Tan to 1 more hospital and 4 medical groups, each named with a free account.
Long Beach Medical CenterSouthern California Permanente Medical Group1 hospitalName with a free account4 medical groupsNames with a free account
See all 8 affiliations for Dr. TanSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Crystal Emerald Tan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tan practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCI Health - Orange | Available with a free account |
| +2 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Crystal Emerald Tan is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Tan's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Tan is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Tan
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
6,593anesthesiologists in California223anesthesiologists in Orange134anesthesiologists at UCI Health - Orange
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Crystal Emerald Tan billed Medicare for 77 services in 2020
CMS data shows 77 Medicare services from Dr. Tan across 4 procedure codes in 2020, for 22 Medicare patients. Medicare paid $4,335 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202077
Medicare patients22
Paid by Medicare$4,335
Procedure codes4
Dr. Tan's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Surgery
- 2019: 112020: 33200%
- Imaging
- 2019: 02020: 29
- Anesthesia
- 2019: 222020: 1532%
Dr. Tan compared with the California median for anesthesiologists, 2020
- Dr. Tan
- California median
- Medicare services
- 77vs 727% above
- Medicare patients
- 22vs 14385% below
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Tan's most billed Medicare procedure codes, 2020
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. Tan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tan and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Crystal Emerald Tan treated 22 Medicare patients in 2024, average age 69
CMS counts 22 Medicare patients who saw Dr. Tan in 2024. 75% of them have high cholesterol, and 64% have high blood pressure. Their average risk score is 1.09, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tan's median patient age at 61, with 54% women.
Medicare patients, 202422
Average age69
Average risk score1.09
Dr. Tan's Medicare patients by sex, 2024
- Women1150%
- Men1150%
Chronic conditions among Dr. Tan's Medicare patients, 2024
- High cholesterol75%
- High blood pressure64%
- Arthritis55%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
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. Crystal Emerald Tan takes part in Medicare
Dr. Tan 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. Crystal Emerald Tan has 3 publications on record
Dmand AI links 3 papers to Dr. Tan in 2013. The most frequent topics are Public Health and Smoking.
Papers3
Topics Dr. Tan writes about most
- Public Health
- Smoking
Recent publications by Dr. Tan
Cerebrovascular DisordersHeart DiseasesPublic Facilities
See who Dr. Tan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tan works with, so you can find a warm path to the right anesthesiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Crystal Emerald Tan received $242 in industry payments from 2024 to 2025
CMS Open Payments shows 4 general payments to Dr. Tan from 1 drug or device company from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Abiomed paid the most, $242.
General payments to Dr. Tan by program year, 2024 to 2025
Companies that paid Dr. Tan the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Crystal Emerald Tan graduated from University of California, San Francisco School of Medicine
Dr. Tan graduated from University of California, San Francisco School of Medicine in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Crystal Emerald Tan'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 |
| 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. Crystal Emerald Tan
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. Crystal Emerald Tan's NPI number?
Dr. Crystal Emerald Tan's NPI number is 1346683489. It was assigned on April 8, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Crystal Emerald Tan?
Dr. Crystal Emerald Tan is an anesthesiologist in Orange, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Crystal Emerald Tan practice?
Dr. Tan practices at 101 City Drive South, Orange, CA 92868. Dr. Tan's primary practice is UCI Health - Orange in Orange, California, part of UC Irvine. Dmand AI also links Dr. Tan to 1 hospital and 4 medical groups.
What is Dr. Crystal Emerald Tan's office phone number?
The practice phone on file for Dr. Tan is (714) 456-7890.
What is Dr. Crystal Emerald Tan's medical license number?
Dr. Tan holds California license A161886.
Which hospitals is Dr. Crystal Emerald Tan affiliated with?
Dr. Tan practices at UCI Health - Orange in Orange, California. Dr. Tan is also affiliated with Long Beach Medical Center. Dmand AI links Dr. Tan to 1 more hospital.
What medical group is Dr. Crystal Emerald Tan part of?
Dr. Tan is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Tan to 4 more medical groups.
Does Dr. Crystal Emerald Tan accept Medicare?
Yes. CMS data shows Dr. Tan billed Medicare for 77 services in 2020, and Dr. Tan accepts Medicare assignment.
How many Medicare patients does Dr. Crystal Emerald Tan see?
CMS counts 22 Medicare patients who saw Dr. Tan in 2024, with an average age of 69.
What services does Dr. Crystal Emerald Tan bill to Medicare?
In 2020, Dr. Tan's most billed Medicare services were ultrasound (76937), surgery: heart and blood vessels (36620) and surgery: heart and blood vessels (36556).
Show 4 more questionsShow fewer questions
Where did Dr. Crystal Emerald Tan go to medical school?
Dr. Tan graduated from University of California, San Francisco School of Medicine in 2013.
Has Dr. Crystal Emerald Tan received payments from drug or device companies?
CMS Open Payments shows $242 in general payments to Dr. Tan from 1 company from 2024 to 2025. The largest total came from Abiomed.
How long has Dr. Crystal Emerald Tan been practicing?
Dr. Tan graduated from medical school in 2013, 13 years ago.
Does Dr. Crystal Emerald Tan do research?
Dmand AI links 3 publications to Dr. Tan.
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