Doris H. Chan, NP
- Medicare patients, 2024
- 321
- Part D claims, 2024
- 455
- Hospital affiliations
- 4
- Industry payments
- $117
- Medical group
- 1
- Practice address
- 525 N Garfield Ave, Monterey Park, CA 91754
- Practice phone
- Call (626) 573-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Doris Chan'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.
Doris H. Chan is a nurse practitioner in Monterey Park, California
Doris Chan practices at Garfield Medical Center in Monterey Park, California, part of AHMC Healthcare.
Doris Chan's NPI, 1063691004, was assigned on October 26, 2007. Doris Chan graduated from Perelman School of Med at the University of Pennsylvania in 2005. Doris Chan holds Pennsylvania license SP009029.
- NPI
- 1063691004NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577879154
- NPI enumeration date
- October 26, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (626) 573-2222
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Doris H. Chan practices at Garfield Medical Center in Monterey Park, California
Doris Chan's primary practice is Garfield Medical Center, at 525 N Garfield Ave, Monterey Park, CA 91754 in Los Angeles County. The practice phone is (626) 573-2222.
- Garfield Medical Center525 N Garfield Ave, Monterey Park, CA 91754 · Los Angeles CountyPhone(626) 573-2222
Source: Dmand AI Affiliation Data
Doris H. Chan is affiliated with 5 sites of care and 1 medical group
Doris Chan's primary practice is Garfield Medical Center in Monterey Park, California, part of AHMC Healthcare. Doris Chan is also affiliated with AHMC San Gabriel Valley Medical Center. The medical group on file is Southern California Heart Centers. Dmand AI also links Doris Chan to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Doris H. Chan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Doris Chan practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Garfield Medical Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Doris H. Chan is one of 5,983 nurse practitioners in California
Nurse practitioner is Doris Chan's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Doris Chan is licensed in Pennsylvania.
Specialties and state licenses
- Nurse practitioner, PennsylvaniaPrimary
Nurse practitioners near Doris Chan
Counts of 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
Doris H. Chan treated 321 Medicare patients in 2024, average age 79
CMS counts 321 Medicare patients who saw Doris Chan in 2024. The largest group is 75 to 84, with 116 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 86% are also on Medicaid. Their average risk score is 2.77, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Doris Chan's median patient age at 75, with 42% women.
Doris Chan's Medicare patients by age, 2024
Doris Chan's Medicare patients by sex, 2024
- Women17655%
- Men14545%
Chronic conditions among Doris Chan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease64%
- Diabetes62%
- Ischemic heart disease61%
- Heart failure60%
- Arthritis48%
- Atrial fibrillation41%
Share of Medicare patients with each condition. A patient can have several.
Doris 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 75
Patient panel by sex, all payers
- Women42%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Doris H. Chan wrote 455 Medicare Part D claims in 2024
In 2024, Doris Chan wrote 455 Medicare Part D claims for 248 patients. 84% of them were for generic drugs.
Doris Chan's Part D claims by kind of drug, 2024
- Generic381 claims84%
- Brand-name74 claims16%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Doris H. Chan takes part in Medicare
Doris 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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Doris H. Chan received $117 in industry payments in 2025
CMS Open Payments shows 1 general payment to Doris Chan from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $117.
Companies that paid Doris 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
Doris H. Chan graduated from Perelman School of Med at the University of Pennsylvania
Doris Chan graduated from Perelman School of Med at the University of Pennsylvania in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Doris H. 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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 (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 |
| 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 Doris H. 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 Doris H. Chan's NPI number?
Doris H. Chan's NPI number is 1063691004. It was assigned on October 26, 2007, and it is active in the NPI Registry.
What does Doris H. Chan specialize in?
Doris H. Chan is a nurse practitioner in Monterey Park, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Doris H. Chan practice?
Doris Chan practices at 525 N Garfield Ave, Monterey Park, CA 91754. Doris Chan's primary practice is Garfield Medical Center in Monterey Park, California, part of AHMC Healthcare. Dmand AI also links Doris Chan to 2 hospitals and 1 group practice or clinic.
What is Doris H. Chan's office phone number?
The practice phone on file for Doris Chan is (626) 573-2222.
What is Doris H. Chan's medical license number?
Doris Chan holds Pennsylvania license SP009029.
Which hospitals is Doris H. Chan affiliated with?
Doris Chan practices at Garfield Medical Center in Monterey Park, California. Doris Chan is also affiliated with AHMC San Gabriel Valley Medical Center. Dmand AI links Doris Chan to 2 more hospitals.
What medical group is Doris H. Chan part of?
Doris Chan is linked to Southern California Heart Centers.
Does Doris H. Chan accept Medicare?
Yes. CMS lists Doris Chan as accepting Medicare assignment.
How many Medicare patients does Doris H. Chan see?
CMS counts 321 Medicare patients who saw Doris Chan in 2024, with an average age of 79.
Where did Doris H. Chan go to medical school?
Doris Chan graduated from Perelman School of Med at the University of Pennsylvania in 2005.
Has Doris H. Chan received payments from drug or device companies?
CMS Open Payments shows $117 in general payments to Doris Chan from 1 company from 2025 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Doris H. Chan been practicing?
Doris Chan graduated from medical school in 2005, 21 years ago.
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