Tracy V. Dau, PA

  • Mission Viejo, CA
  • Physician assistant
NPI1104855105
Medicare services, 2024
35
Medicare patients, 2024
45
Part D claims, 2024
59
Hospital affiliations
1
Medical groups
2
Practice address
27700 Medical Center Rd, Mission Viejo, CA 92691
Practice phone
Call (949) 365-2447
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mission Hospital - Unit

Acute Care Hospital-Unit · Mission Viejo, California

See all 3 affiliations

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Tracy V. Dau is a physician assistant in Mission Viejo, California

Tracy Dau practices at Mission Hospital - Unit in Mission Viejo, California.

Tracy Dau's NPI, 1104855105, was assigned on July 2, 2006. Tracy Dau holds New Jersey license 25MP00066100.

NPI and contact details
NPI enumeration date
July 2, 2006
NPI status
Active
Practice phone
(949) 365-2447
Professional email
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Personal email
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Mobile number
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Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Tracy V. Dau practices at Mission Hospital - Unit in Mission Viejo, California

Tracy Dau's primary practice is Mission Hospital - Unit, at 27700 Medical Center Rd, Mission Viejo, CA 92691 in Orange County. The practice phone is (949) 365-2447.

  • Mission Hospital - Unit
    27700 Medical Center Rd, Mission Viejo, CA 92691 · Orange CountyPhone(949) 365-2447

Source: Dmand AI Affiliation Data

Tracy V. Dau is affiliated with 1 site of care and 2 medical groups

Tracy Dau's primary practice is Mission Hospital - Unit in Mission Viejo, California. The medical group on file is Emergency Medicine Physicians. Dmand AI also links Tracy Dau to 1 more medical group, named with a free account.

Mission Hospital - UnitAcute Care Hospital-Unit · Mission Viejo, CaliforniaPrimary
Emergency Medicine PhysiciansEmergency and hospital medicine group, Canton, OH1 medical groupName with a free account
See all 3 affiliations for Tracy Dau

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Tracy V. Dau's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Tracy Dau practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mission Hospital - UnitAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Tracy V. Dau is one of 11,482 physician assistants in California

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

Specialties and state licenses

  • Physician assistant, New JerseyPrimaryLicense 25MP00066100 · taxonomy 363A00000X

Physician assistants near Tracy Dau

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

Tracy V. Dau billed Medicare for 35 services in 2024

CMS data shows 35 Medicare services from Tracy Dau across 2 procedure codes in 2024, for 45 Medicare patients. Medicare paid $3,478 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202435
Medicare patients45
Paid by Medicare$3,478
Procedure codes2

Tracy Dau compared with the California median for physician assistants, 2024

  • Tracy Dau
  • California median
Medicare services
35vs 20483% below
Medicare patients
45vs 10557% below
Part D claims
13vs 24395% below

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

Tracy Dau'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.

See all procedures by Tracy Dau

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Medicare shows one payer. Book a meeting to get commercial claims data for Tracy Dau and other physician assistants in California.

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

Tracy V. Dau treated 45 Medicare patients in 2024, average age 75

CMS counts 45 Medicare patients who saw Tracy Dau in 2024. The largest group is 65 to 74, with 19 patients. 73% of them have high cholesterol, and 67% have high blood pressure. Their average risk score is 1.43, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Tracy Dau's median patient age at 43, with 59% women.

Medicare patients, 202445
Average age75
Average risk score1.43

Tracy Dau's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Tracy Dau's Medicare patients by sex, 2024

  • Women3169%
  • Men1431%

Chronic conditions among Tracy Dau's Medicare patients, 2024

  1. High cholesterol73%
  2. High blood pressure67%
  3. Arthritis44%
  4. Ischemic heart disease31%
  5. Diabetes29%

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

Tracy Dau's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 43

Patient panel by sex, all payers

  • Women59%
  • Men41%

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

Tracy V. Dau wrote 59 Medicare Part D claims in 2024

In 2024, Tracy Dau wrote 59 Medicare Part D claims for 43 patients. 100% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $73 in total drug cost.

Part D claims, 202459
Drugs named by CMS1
Total drug cost$73
Part D patients43

Tracy Dau'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 Tracy Dau's Part D claims, 2024

  • Opioids20%12 of 59 claims
  • Antibiotics53%31 of 59 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 Tracy Dau

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

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Tracy V. Dau is board certified in certified physician assistant

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

Source: Dmand AI Professional Profile Data

Sources for Tracy V. Dau'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 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)
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 Tracy V. Dau

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Tracy V. Dau's NPI number?

Tracy V. Dau's NPI number is 1104855105. It was assigned on July 2, 2006, and it is active in the NPI Registry.

What does Tracy V. Dau specialize in?

Tracy V. Dau is a physician assistant in Mission Viejo, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Tracy V. Dau practice?

Tracy Dau practices at 27700 Medical Center Rd, Mission Viejo, CA 92691. Tracy Dau's primary practice is Mission Hospital - Unit in Mission Viejo, California. Dmand AI also links Tracy Dau to 1 medical group.

What is Tracy V. Dau's office phone number?

The practice phone on file for Tracy Dau is (949) 365-2447.

What is Tracy V. Dau's medical license number?

Tracy Dau holds New Jersey license 25MP00066100.

What medical group is Tracy V. Dau part of?

Tracy Dau is linked to Emergency Medicine Physicians. Dmand AI links Tracy Dau to 1 more medical group.

Does Tracy V. Dau accept Medicare?

Yes. CMS data shows Tracy Dau billed Medicare for 35 services in 2024.

How many Medicare patients does Tracy V. Dau see?

CMS counts 45 Medicare patients who saw Tracy Dau in 2024, with an average age of 75.

Is Tracy V. Dau board certified?

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

What services does Tracy V. Dau bill to Medicare?

In 2024, Tracy Dau's most billed Medicare services were emergency department visit (99284) and emergency department visit (99285).

What drugs does Tracy V. Dau prescribe most?

In 2024 Medicare Part D data, Tracy Dau's most prescribed drugs by claims were Cephalexin.

How long has Tracy V. Dau been practicing?

Tracy Dau's NPI was assigned in 2006.

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