Daniel Duc Mai, PA

  • Costa Mesa, CA
  • Physician assistant
NPI1811770134PAC ID8628411568
Medicare services, 2024
110
Medicare patients, 2024
32
Part D claims, 2024
777
Industry payments
$12,986
Affiliated sites
1
Practice address
3151 Airway Ave, Costa Mesa, CA 92626
Practice phone
Call (714) 545-5550
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Pacific Neuropsychiatric Specialists Inc.

Costa Mesa, California

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Daniel Duc Mai is a physician assistant in Costa Mesa, California

Daniel Mai practices at Pacific Neuropsychiatric Specialists Inc. in Costa Mesa, California.

Daniel Mai's NPI, 1811770134, was assigned on August 18, 2023.

NPI and contact details
Medicare PAC ID
8628411568
NPI enumeration date
August 18, 2023
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(714) 545-5550
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
29
Medical school graduation
2023

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

Daniel Duc Mai practices at Pacific Neuropsychiatric Specialists Inc. in Costa Mesa, California

Daniel Mai's primary practice is Pacific Neuropsychiatric Specialists Inc., at 3151 Airway Ave, Costa Mesa, CA 92626 in Orange County. The practice phone is (714) 545-5550.

  • Pacific Neuropsychiatric Specialists Inc.
    3151 Airway Ave, Costa Mesa, CA 92626 · Orange CountyPhone(714) 545-5550

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Daniel Duc Mai is affiliated with 2 sites of care and 1 medical group

Daniel Mai's primary practice is Pacific Neuropsychiatric Specialists Inc. in Costa Mesa, California. The medical group on file is Pacific Neuropsychiatric Specialists. Dmand AI also links Daniel Mai to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Daniel Mai

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

Dmand AI tracks the EHR system at Daniel Duc Mai's practice

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

EHR by site
SiteEHR vendor and product
Pacific Neuropsychiatric Specialists Inc.Available with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Daniel Duc Mai is one of 11,482 physician assistants in California

Physician assistant is Daniel Mai's primary specialty in the NPI Registry, under taxonomy code 363A00000X.

Specialties and state licenses

  • Physician assistantPrimarytaxonomy 363A00000X

Physician assistants near Daniel Mai

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 Duc Mai billed Medicare for 110 services in 2024

CMS data shows 110 Medicare services from Daniel Mai across 4 procedure codes in 2024, for 32 Medicare patients. Medicare paid $9,668 for them. Every service was in an office.

Medicare services, 2024110
Medicare patients32
Paid by Medicare$9,668
Procedure codes4

Daniel Mai's Medicare services by type, 2024

  1. Office and hospital visits89
  2. Tests and treatments21

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

  • Daniel Mai
  • California median
Medicare services
110vs 20446% below
Medicare patients
32vs 10570% below
Part D claims
611vs 2432.5 times

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

Daniel Mai'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 Daniel Mai

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

Daniel Duc Mai treated 32 Medicare patients in 2024, average age 64

CMS counts 32 Medicare patients who saw Daniel Mai in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have anxiety, and 75% have mood disorders. 63% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Daniel Mai's median patient age at 41, with 48% women.

Medicare patients, 202432
Average age64
Average risk score1.24
Also on Medicaid63%

Daniel Mai's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Daniel Mai's Medicare patients by sex, 2024

  • Women1959%
  • Men1341%

Chronic conditions among Daniel Mai's Medicare patients, 2024

  1. Anxiety75%
  2. Mood disorders75%
  3. Depression72%
  4. High cholesterol69%
  5. High blood pressure53%
  6. Bipolar disorder34%

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

Daniel Mai's patients across all payers

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

Patient panel by age, all payers

Median age 41

Patient panel by sex, all payers

  • Women48%
  • Men51%

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

Daniel Duc Mai wrote 777 Medicare Part D claims in 2024

In 2024, Daniel Mai wrote 777 Medicare Part D claims for 89 patients. 86% of them were for generic drugs. CMS names the drug for 611 of them, across 25 drugs with 11 or more claims each, at $85,841 in total drug cost.

Part D claims, 2024777
Drugs named by CMS25
Total drug cost$85,841
Part D patients89

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

  • Generic669 claims86%
  • Brand-name108 claims14%

Daniel Mai'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 Mai's Part D claims, 2024

  • Antipsychotics, patients 65 and over5%41 of 777 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 Mai

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

Daniel Duc Mai offers telehealth to Medicare patients

Daniel Mai accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Daniel Mai as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Daniel Duc Mai received $12,986 in industry payments from 2024 to 2025

CMS Open Payments shows 483 general payments to Daniel Mai from 23 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $1,895.

General payments to Daniel Mai by program year, 2024 to 2025

General payments to Daniel Mai by kind, 2024 to 2025

$13Kin total
  • Food and beverage$12,949100%
  • Education$270%
  • Travel and lodging$100%

Companies that paid Daniel Mai the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Daniel Mai

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Daniel Duc Mai'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Duc Mai

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 Duc Mai's NPI number?

Daniel Duc Mai's NPI number is 1811770134. It was assigned on August 18, 2023, and it is active in the NPI Registry.

What does Daniel Duc Mai specialize in?

Daniel Duc Mai is a physician assistant in Costa Mesa, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Daniel Duc Mai practice?

Daniel Mai practices at 3151 Airway Ave, Costa Mesa, CA 92626. Daniel Mai's primary practice is Pacific Neuropsychiatric Specialists Inc. in Costa Mesa, California. Dmand AI also links Daniel Mai to 1 group practice or clinic.

What is Daniel Duc Mai's office phone number?

The practice phone on file for Daniel Mai is (714) 545-5550.

What medical group is Daniel Duc Mai part of?

Daniel Mai is linked to Pacific Neuropsychiatric Specialists.

Does Daniel Duc Mai accept Medicare?

Yes. CMS data shows Daniel Mai billed Medicare for 110 services in 2024, and Daniel Mai accepts Medicare assignment.

Does Daniel Duc Mai offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Daniel Mai as offering telehealth services.

How many Medicare patients does Daniel Duc Mai see?

CMS counts 32 Medicare patients who saw Daniel Mai in 2024, with an average age of 64.

What services does Daniel Duc Mai bill to Medicare?

In 2024, Daniel Mai's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, established patient (99213).

What drugs does Daniel Duc Mai prescribe most?

In 2024 Medicare Part D data, Daniel Mai's most prescribed drugs by claims were Quetiapine Fumarate, Fluoxetine HCl and Trazodone HCl.

Has Daniel Duc Mai received payments from drug or device companies?

CMS Open Payments shows $12,986 in general payments to Daniel Mai from 23 companies from 2024 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Daniel Duc Mai been practicing?

Daniel Mai graduated from medical school in 2023, 3 years ago.

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