Dr. Dan Hai Nguyen, MD
- Medicare services, 2018
- 24
- Part D claims, 2021
- 44
- Hospital affiliations
- 2
- Industry payments
- $355
- Medical groups
- 2
- Practice address
- 777 Bannock St, Denver, CO 80204
- Practice phone
- Call (303) 602-4935
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nguyen'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.
Dr. Dan Hai Nguyen is a psychiatrist in Denver, Colorado
Dr. Nguyen practices at Denver Health Medical Center in Denver, Colorado, part of Denver Health and Hospital Authority.
Dr. Nguyen's NPI, 1639495617, was assigned on April 15, 2010. Dr. Nguyen holds Colorado license 0052192.
- NPI
- 1639495617NPI Registry (opens in a new tab)
- NPI enumeration date
- April 15, 2010
- NPI status
- Active
- Practice phone
- (303) 602-4935
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Dan Hai Nguyen practices at Denver Health Medical Center in Denver, Colorado
Dr. Nguyen's primary practice is Denver Health Medical Center, at 777 Bannock St, Denver, CO 80204 in Denver County. The practice phone is (303) 602-4935.
- Denver Health Medical Center777 Bannock St, Denver, CO 80204 · Denver CountyPhone(303) 602-4935
Source: Dmand AI Affiliation Data
Dr. Dan Hai Nguyen is affiliated with 2 sites of care and 2 medical groups
Dr. Nguyen's primary practice is Denver Health Medical Center in Denver, Colorado, part of Denver Health and Hospital Authority. Dr. Nguyen is also affiliated with HCA HealthONE Sky Ridge. The medical group on file is Denver Health. Dmand AI also links Dr. Nguyen to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Dan Hai Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Denver Health Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Denver Health and Hospital Authority and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Dan Hai Nguyen is one of 611 psychiatrists in Colorado
Psychiatry is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Nguyen is licensed in Colorado.
Specialties and state licenses
- Psychiatry, ColoradoPrimary
Psychiatrists near Dr. Nguyen
Counts of psychiatrists 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. Dan Hai Nguyen billed Medicare for 24 services in 2018
CMS data shows 24 Medicare services from Dr. Nguyen across 1 procedure code in 2018. Medicare paid $1,403 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Nguyen's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 482018: 2450%
Dr. Nguyen compared with the Colorado median for psychiatrists, 2018
- Dr. Nguyen
- Colorado median
- Medicare services
- 24vs 10978% below
- Part D claims
- 44vs 11060% below
Medians across 691 psychiatrists in Colorado with Dmand AI profiles that report each measure.
Dr. Nguyen's most billed Medicare procedure codes, 2018
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nguyen and other psychiatrists in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Dan Hai Nguyen's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 58, with 47% women.
Dr. Nguyen'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
- Women47%
- Men53%
Source: Dmand AI Patient Panel Data
Dr. Dan Hai Nguyen wrote 44 Medicare Part D claims in 2021
In 2021, Dr. Nguyen wrote 44 Medicare Part D claims. Every claim was for a generic drug. They cover 3 drugs, with $727 in total drug cost. In 2019, CMS named 17 claims across 1 drug.
Dr. Nguyen's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2021
- 2019
- 2021
- Claims for drugs CMS names
- 2019: 172021: 44159%
Drugs named by CMS: 3 in 2021, 1 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Dan Hai Nguyen received $355 in industry payments from 2021 to 2025
CMS Open Payments shows 4 general payments to Dr. Nguyen from 3 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Alkermes, Inc. paid the most, $217.
General payments to Dr. Nguyen by program year, 2021 to 2025
Companies that paid Dr. Nguyen the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Dan Hai Nguyen'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Dr. Dan Hai Nguyen
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. Dan Hai Nguyen's NPI number?
Dr. Dan Hai Nguyen's NPI number is 1639495617. It was assigned on April 15, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Dan Hai Nguyen?
Dr. Dan Hai Nguyen is a psychiatrist in Denver, Colorado. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Dan Hai Nguyen practice?
Dr. Nguyen practices at 777 Bannock St, Denver, CO 80204. Dr. Nguyen's primary practice is Denver Health Medical Center in Denver, Colorado, part of Denver Health and Hospital Authority. Dmand AI also links Dr. Nguyen to 1 medical group.
What is Dr. Dan Hai Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (303) 602-4935.
What is Dr. Dan Hai Nguyen's medical license number?
Dr. Nguyen holds Colorado license 0052192.
Which hospitals is Dr. Dan Hai Nguyen affiliated with?
Dr. Nguyen practices at Denver Health Medical Center in Denver, Colorado. Dr. Nguyen is also affiliated with HCA HealthONE Sky Ridge.
What medical group is Dr. Dan Hai Nguyen part of?
Dr. Nguyen is linked to Denver Health. Dmand AI links Dr. Nguyen to 1 more medical group.
Does Dr. Dan Hai Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 24 services in 2018.
What services does Dr. Dan Hai Nguyen bill to Medicare?
In 2018, Dr. Nguyen's most billed Medicare services were hospital inpatient care (99232).
What drugs does Dr. Dan Hai Nguyen prescribe most?
In 2021 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Furosemide, Gabapentin and Trazodone HCl.
Has Dr. Dan Hai Nguyen received payments from drug or device companies?
CMS Open Payments shows $355 in general payments to Dr. Nguyen from 3 companies from 2021 to 2025. The largest total came from Alkermes, Inc.
How long has Dr. Dan Hai Nguyen been practicing?
Dr. Nguyen's NPI was assigned in 2010.
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