Daniel M. Chan, PA

  • Orange, CA
  • Physician assistant
NPI1871671420PAC ID5092971523
Medicare services, 2024
351
Medicare patients, 2024
172
Part D claims, 2024
844
Affiliated sites
2
Medical group
1
Practice address
2501 E. Chapman Ave. Ste. 102, Orange, CA 92869
Practice phone
Call (714) 628-3305
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

St. Joseph Heritage Orange - Chapman Mammogram Screening

Mammography / Breast Imaging Center · Orange, California

See all 3 affiliations

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Daniel M. Chan is a physician assistant in Orange, California

Daniel Chan practices at St. Joseph Heritage Orange - Chapman Mammogram Screening in Orange, California.

Daniel Chan's NPI, 1871671420, was assigned on November 1, 2006. Daniel Chan holds California license PA12825.

NPI and contact details
Medicare PAC ID
5092971523
NPI enumeration date
November 1, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(714) 628-3305
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
62
Medical school graduation
1990

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Daniel M. Chan practices at St. Joseph Heritage Orange - Chapman Mammogram Screening in Orange, California

Daniel Chan's primary practice is St. Joseph Heritage Orange - Chapman Mammogram Screening, at 2501 E. Chapman Ave. Ste. 102, Orange, CA 92869. The practice phone is (714) 628-3305.

  • St. Joseph Heritage Orange - Chapman Mammogram Screening
    2501 E. Chapman Ave. Ste. 102, Orange, CA 92869Phone(714) 628-3305

Source: Dmand AI Affiliation Data

Daniel M. Chan is affiliated with 2 sites of care and 1 medical group

Daniel Chan's primary practice is St. Joseph Heritage Orange - Chapman Mammogram Screening in Orange, California. The medical group on file is St. Jude Heritage Medical Group. Dmand AI also links Daniel Chan to 1 more group practice or clinic, named with a free account. Daniel Chan's employer is on file too: a breast imaging center.

See all 3 affiliations for Daniel Chan

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Daniel M. Chan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Daniel Chan practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
St. Joseph Heritage Orange - Chapman Mammogram ScreeningAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Daniel M. Chan is one of 11,482 physician assistants in California

Physician assistant is Daniel Chan's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Daniel Chan is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Daniel Chan is licensed in California.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense PA12825 · taxonomy 363A00000X

Clinical focus

Dmand AI lists acute sinusitis, acute skin infection, ankle or foot injury, chest wall injury, conjunctivitis, ear eustachian tube disorders, ear infection and enthesopathy in foot or ankle among the conditions Daniel Chan treats.

Physician assistants near Daniel Chan

Counts of physician assistants 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

Daniel M. Chan billed Medicare for 351 services in 2024

CMS data shows 351 Medicare services from Daniel Chan across 10 procedure codes in 2024, for 172 Medicare patients. Medicare paid $15,620 for them. Every service was in an office.

Medicare services, 2024351
Medicare patients172
Paid by Medicare$15,620
Procedure codes10

Daniel Chan's Medicare services by type, 2024

  1. Office and hospital visits164
  2. Lab and pathology160
  3. Imaging15
  4. Tests and treatments12

Daniel Chan compared with the California median for physician assistants, 2024

  • Daniel Chan
  • California median
Medicare services
351vs 20472% above
Medicare patients
172vs 10564% above
Part D claims
641vs 2432.6 times

Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.

Daniel Chan'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.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Daniel M. Chan treated 172 Medicare patients in 2024, average age 74

CMS counts 172 Medicare patients who saw Daniel Chan in 2024. The largest group is 65 to 74, with 76 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 20% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Daniel Chan's median patient age at 58, with 60% women.

Medicare patients, 2024172
Average age74
Average risk score1.17
Also on Medicaid20%

Daniel Chan's Medicare patients by age, 2024

Daniel Chan's Medicare patients by sex, 2024

  • Women11064%
  • Men6236%

Chronic conditions among Daniel Chan's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure72%
  3. Arthritis54%
  4. Diabetes28%
  5. Ischemic heart disease27%
  6. Osteoporosis23%
  7. Chronic kidney disease21%
  8. Cancer19%

Share of Medicare patients with each condition. A patient can have several.

Daniel 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 58

Patient panel by sex, all payers

  • Women60%
  • Men39%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Daniel M. Chan wrote 844 Medicare Part D claims in 2024

In 2024, Daniel Chan wrote 844 Medicare Part D claims for 531 patients. 93% of them were for generic drugs. CMS names the drug for 641 of them, across 21 drugs with 11 or more claims each, at $12,501 in total drug cost.

Part D claims, 2024844
Drugs named by CMS21
Total drug cost$12,501
Part D patients531

Daniel Chan's Part D claims by kind of drug, 2024

  • Generic788 claims93%
  • Brand-name41 claims5%
  • Other15 claims2%

Daniel Chan's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Daniel Chan's Part D claims, 2024

  • Opioids4%32 of 844 claims
  • Antibiotics50%423 of 844 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Daniel Chan

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Daniel M. Chan takes part in Medicare

Daniel 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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Daniel M. Chan is board certified in certified physician assistant

Daniel Chan is a member of Pri-Med West.

  1. Board certified in certified physician assistantNational Commission on Certification of Physician Assistants (NCCPA)

Source: Dmand AI Professional Profile Data

Sources for Daniel M. Chan's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Daniel M. 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 Daniel M. Chan's NPI number?

Daniel M. Chan's NPI number is 1871671420. It was assigned on November 1, 2006, and it is active in the NPI Registry.

What does Daniel M. Chan specialize in?

Daniel M. Chan is a physician assistant in Orange, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Daniel M. Chan practice?

Daniel Chan practices at 2501 E. Chapman Ave. Ste. 102, Orange, CA 92869. Daniel Chan's primary practice is St. Joseph Heritage Orange - Chapman Mammogram Screening in Orange, California. Dmand AI also links Daniel Chan to 1 group practice or clinic.

What is Daniel M. Chan's office phone number?

The practice phone on file for Daniel Chan is (714) 628-3305.

What is Daniel M. Chan's medical license number?

Daniel Chan holds California license PA12825.

What medical group is Daniel M. Chan part of?

Daniel Chan is linked to St. Jude Heritage Medical Group.

Does Daniel M. Chan accept Medicare?

Yes. CMS data shows Daniel Chan billed Medicare for 351 services in 2024, and Daniel Chan accepts Medicare assignment.

How many Medicare patients does Daniel M. Chan see?

CMS counts 172 Medicare patients who saw Daniel Chan in 2024, with an average age of 74.

Is Daniel M. Chan board certified?

Yes. Daniel Chan is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).

What services does Daniel M. Chan bill to Medicare?

In 2024, Daniel Chan's most billed Medicare services were office visit, established patient (99214), lab and pathology test (87804) and office visit, established patient (99213).

What drugs does Daniel M. Chan prescribe most?

In 2024 Medicare Part D data, Daniel Chan's most prescribed drugs by claims were Azithromycin, Cefdinir and Amoxicillin.

How long has Daniel M. Chan been practicing?

Daniel Chan graduated from medical school in 1990, 36 years ago.

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