Dr. Diep Ngoc Dao, DO

  • Chula Vista, CA
  • Internist
NPI1679916407PAC ID5890084255
Medicare services, 2024
337
Medicare patients, 2024
132
Part D claims, 2024
382
Hospital affiliations
1
Industry payments
$304
Practice address
435 H St, Chula Vista, CA 91910
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Chula Vista / Mri - HOPD

Acute Care Hospital outpatient department · Chula Vista, California

See all 4 affiliations

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Dr. Diep Ngoc Dao is an internist in Chula Vista, California

Dr. Dao practices at Chula Vista / Mri - HOPD in Chula Vista, California.

Dr. Dao's NPI, 1679916407, was assigned on April 11, 2013. Dr. Dao graduated from Arizona College of Osteopathic Medicine - Glendale in 2013. Dr. Dao holds California license 20A13600.

NPI and contact details
Medicare PAC ID
5890084255
NPI enumeration date
April 11, 2013
NPI status
Active
Accepts Medicare assignment
Yes
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
39
Medical school graduation
2013

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

Dr. Diep Ngoc Dao practices at Chula Vista / Mri - HOPD in Chula Vista, California

Dr. Dao's primary practice is Chula Vista / Mri - HOPD, at 435 H St, Chula Vista, CA 91910.

  • Chula Vista / Mri - HOPD
    435 H St, Chula Vista, CA 91910

Source: Dmand AI Affiliation Data

Dr. Diep Ngoc Dao is affiliated with 3 sites of care and 1 medical group

Dr. Dao's primary practice is Chula Vista / Mri - HOPD in Chula Vista, California. Dr. Dao is also affiliated with Scripps Mercy Hospital San Diego. The medical group on file is SHIPMG Radiology. Dmand AI also links Dr. Dao to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Dao

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Diep Ngoc Dao's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dao practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Chula Vista / Mri - HOPDAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Diep Ngoc Dao is one of 16,751 internists in California

Internal medicine is Dr. Dao's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Dao is board certified in internal medicine by the American Board of Internal Medicine. Dr. Dao is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense 20A13600 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acute stomach ulcer, circulation problems, circulatory problems in extremities, congestive heart failure, gastrointestinal bleeding, sepsis and urinary tract infection among the conditions Dr. Dao treats.

Internists near Dr. Dao

Counts of internists 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

Dr. Diep Ngoc Dao billed Medicare for 337 services in 2024

CMS data shows 337 Medicare services from Dr. Dao across 4 procedure codes in 2024, for 132 Medicare patients. Medicare paid $31,957 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024337
Medicare patients132
Paid by Medicare$31,957
Procedure codes4

Dr. Dao's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3162024: 3377%

Dr. Dao compared with the California median for internists, 2024

  • Dr. Dao
  • California median
Medicare services
337vs 3617% below
Medicare patients
132vs 15113% below
Part D claims
146vs 42165% below

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Dao'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

Dr. Diep Ngoc Dao treated 132 Medicare patients in 2024, average age 77

CMS counts 132 Medicare patients who saw Dr. Dao in 2024. The largest group is 65 to 74, with 47 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 69% are also on Medicaid. Their average risk score is 3.29, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Dao's median patient age at 75, with 48% women.

Medicare patients, 2024132
Average age77
Average risk score3.29
Also on Medicaid69%

Dr. Dao's Medicare patients by age, 2024

Dr. Dao's Medicare patients by sex, 2024

  • Women7355%
  • Men5945%

Chronic conditions among Dr. Dao's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes67%
  4. Chronic kidney disease59%
  5. Heart failure57%
  6. Arthritis55%
  7. Ischemic heart disease52%
  8. Mood disorders51%

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

Dr. Dao'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

  • Women48%
  • Men51%

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

Dr. Diep Ngoc Dao wrote 382 Medicare Part D claims in 2024

In 2024, Dr. Dao wrote 382 Medicare Part D claims for 122 patients. 81% of them were for generic drugs. CMS names the drug for 146 of them, across 11 drugs with 11 or more claims each, at $8,695 in total drug cost. In 2023, CMS named 57 claims across 4 drugs.

Part D claims, 2024382
Drugs named by CMS11
Total drug cost$8,695
Part D patients122

Dr. Dao's Part D claims by kind of drug, 2024

  • Generic310 claims81%
  • Brand-name and other72 claims19%

Dr. Dao'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 Dr. Dao's Part D claims, 2024

  • Antibiotics20%75 of 382 claims

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

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 572024: 146156%

Drugs named by CMS: 11 in 2024, 4 in 2023.

See all prescribing by Dr. Dao

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 Dr. Diep Ngoc Dao takes part in Medicare

Dr. Dao 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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Dr. Diep Ngoc Dao received $304 in industry payments from 2016 to 2024

CMS Open Payments shows 6 general payments to Dr. Dao from 5 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $123.

General payments to Dr. Dao by program year, 2016 to 2024

Companies that paid Dr. Dao the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Dao

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

Dr. Diep Ngoc Dao graduated from Arizona College of Osteopathic Medicine - Glendale

Dr. Dao graduated from Arizona College of Osteopathic Medicine - Glendale in 2013. Dr. Dao is a member of AOA.

  1. Medical schoolArizona College of Osteopathic Medicine - Glendale
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in 2014 - 2026CA State License

Source: Dmand AI Professional Profile Data

Dr. Diep Ngoc Dao accepts plans from 5 insurance carriers

Dr. Dao is in network with 5 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Blue Cross and Blue Shield of Kansas City. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare
  • WI State Medicaid

Plan types Dr. Dao accepts, by number of carriers

  1. HMO2
  2. Medicare2
  3. POS2
  4. PPO2
  5. EPO1
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Diep Ngoc Dao'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)
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)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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 Dr. Diep Ngoc Dao

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

What is Dr. Diep Ngoc Dao's NPI number?

Dr. Diep Ngoc Dao's NPI number is 1679916407. It was assigned on April 11, 2013, and it is active in the NPI Registry.

What kind of doctor is Dr. Diep Ngoc Dao?

Dr. Diep Ngoc Dao is an internist in Chula Vista, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Diep Ngoc Dao practice?

Dr. Dao practices at 435 H St, Chula Vista, CA 91910. Dr. Dao's primary practice is Chula Vista / Mri - HOPD in Chula Vista, California. Dmand AI also links Dr. Dao to 1 group practice or clinic.

What is Dr. Diep Ngoc Dao's medical license number?

Dr. Dao holds California license 20A13600.

Which hospitals is Dr. Diep Ngoc Dao affiliated with?

Dr. Dao is affiliated with Scripps Mercy Hospital San Diego.

What medical group is Dr. Diep Ngoc Dao part of?

Dr. Dao is linked to SHIPMG Radiology.

Does Dr. Diep Ngoc Dao accept Medicare?

Yes. CMS data shows Dr. Dao billed Medicare for 337 services in 2024, and Dr. Dao accepts Medicare assignment.

How many Medicare patients does Dr. Diep Ngoc Dao see?

CMS counts 132 Medicare patients who saw Dr. Dao in 2024, with an average age of 77.

Is Dr. Diep Ngoc Dao board certified?

Yes. Dr. Dao is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Diep Ngoc Dao bill to Medicare?

In 2024, Dr. Dao's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99239) and hospital inpatient care (99232).

Show 5 more questionsShow fewer questions

Where did Dr. Diep Ngoc Dao go to medical school?

Dr. Dao graduated from Arizona College of Osteopathic Medicine - Glendale in 2013.

What drugs does Dr. Diep Ngoc Dao prescribe most?

In 2024 Medicare Part D data, Dr. Dao's most prescribed drugs by claims were Atorvastatin Calcium, Amoxicillin-Clavulanate Potass and Furosemide.

Has Dr. Diep Ngoc Dao received payments from drug or device companies?

CMS Open Payments shows $304 in general payments to Dr. Dao from 5 companies from 2016 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Diep Ngoc Dao been practicing?

Dr. Dao graduated from medical school in 2013, 13 years ago.

What insurance does Dr. Diep Ngoc Dao accept?

Dr. Dao is in network with 5 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Blue Cross and Blue Shield of Kansas City. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.

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