Christopher Ryan Chan, NP
- Part D claims, 2024
- 458
- Industry payments
- $347
- Affiliated sites
- 1
- Medical groups
- 2
- State license
- 1
- Practice address
- 403 W Adams Blvd, Los Angeles, CA 90007
- Practice phone
- Call (213) 742-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Orthopaedic Hospital
Los Angeles, California
Find Christopher Chan's professional email, personal email and mobile number
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Christopher Ryan Chan is a family nurse practitioner in Los Angeles, California
Christopher Chan practices at Orthopaedic Hospital in Los Angeles, California.
Christopher Chan's NPI, 1790037356, was assigned on October 8, 2012. Christopher Chan holds California license 21917.
- NPI
- 1790037356NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284875170
- NPI enumeration date
- October 8, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (213) 742-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Christopher Ryan Chan practices at Orthopaedic Hospital in Los Angeles, California
Christopher Chan's primary practice is Orthopaedic Hospital, at 403 W Adams Blvd, Los Angeles, CA 90007 in Los Angeles County. The practice phone is (213) 742-1000.
- Orthopaedic Hospital403 W Adams Blvd, Los Angeles, CA 90007 · Los Angeles CountyPhone(213) 742-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Christopher Ryan Chan is affiliated with 2 sites of care and 2 medical groups
Christopher Chan's primary practice is Orthopaedic Hospital in Los Angeles, California. The medical group on file is Luskin Orthopaedic Institute for Children. Dmand AI also links Christopher Chan to 1 more ambulatory surgery center and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Christopher Ryan Chan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Christopher Chan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Orthopaedic Hospital | 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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Christopher Ryan Chan is one of 13,532 family nurse practitioners in California
Family is Christopher Chan's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Christopher Chan is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Family nurse practitioners near Christopher Chan
Counts of family nurse practitioners 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
Christopher Ryan Chan's patients have a median age of 42
Across all payers, Dmand AI patient panel data puts Christopher Chan's median patient age at 42, with 8% women.
Christopher Chan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women8%
- Men92%
Source: Dmand AI Patient Panel Data
Christopher Ryan Chan wrote 458 Medicare Part D claims in 2024
In 2024, Christopher Chan wrote 458 Medicare Part D claims for 30 patients. 86% of them were for generic drugs.
Christopher Chan's Part D claims by kind of drug, 2024
- Generic395 claims86%
- Brand-name and other63 claims14%
Drug classes CMS tracks in Christopher Chan's Part D claims, 2024
- Opioids15%70 of 458 claims
- Antibiotics3%13 of 458 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Christopher Ryan Chan takes part in Medicare
Christopher Chan 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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Christopher Ryan Chan received $347 in industry payments in 2025
CMS Open Payments shows 9 general payments to Christopher Chan from 7 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Genentech, Inc. paid the most, $136.
Companies that paid Christopher Chan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Christopher Ryan Chan'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Christopher Ryan Chan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Christopher Ryan Chan's NPI number?
Christopher Ryan Chan's NPI number is 1790037356. It was assigned on October 8, 2012, and it is active in the NPI Registry.
What does Christopher Ryan Chan specialize in?
Christopher Ryan Chan is a family nurse practitioner in Los Angeles, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Christopher Ryan Chan practice?
Christopher Chan practices at 403 W Adams Blvd, Los Angeles, CA 90007. Christopher Chan's primary practice is Orthopaedic Hospital in Los Angeles, California. Dmand AI also links Christopher Chan to 1 ambulatory surgery center and 1 medical group.
What is Christopher Ryan Chan's office phone number?
The practice phone on file for Christopher Chan is (213) 742-1000.
What is Christopher Ryan Chan's medical license number?
Christopher Chan holds California license 21917.
What medical group is Christopher Ryan Chan part of?
Christopher Chan is linked to Luskin Orthopaedic Institute for Children. Dmand AI links Christopher Chan to 1 more medical group.
Does Christopher Ryan Chan accept Medicare?
Yes. CMS lists Christopher Chan as accepting Medicare assignment.
Has Christopher Ryan Chan received payments from drug or device companies?
CMS Open Payments shows $347 in general payments to Christopher Chan from 7 companies from 2025 to 2025. The largest total came from Genentech, Inc.
How long has Christopher Ryan Chan been practicing?
Christopher Chan graduated from medical school in 2012, 14 years ago.
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