Dr. Phithao J. Nguyen, DO
- Medicare services, 2024
- 588
- Medicare patients, 2024
- 219
- Part D claims, 2024
- 192
- Hospital affiliations
- 1
- Industry payments
- $1,659
- Practice address
- 7435 W Talcott Ave, Chicago, IL 60631
- Practice phone
- Call (773) 792-5253
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Presence Resurrection Medical Center
Chicago, Illinois
Find Dr. Nguyen's professional email, personal email and mobile number
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Dr. Phithao J. Nguyen is a gastroenterologist in Chicago, Illinois
Dr. Nguyen practices at Presence Resurrection Medical Center in Chicago, Illinois.
Dr. Nguyen's NPI, 1740261585, was assigned on November 9, 2005. Dr. Nguyen holds Illinois license 036110939.
- NPI
- 1740261585NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678537537
- NPI enumeration date
- November 9, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (773) 792-5253
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Phithao J. Nguyen practices at Presence Resurrection Medical Center in Chicago, Illinois
Dr. Nguyen's primary practice is Presence Resurrection Medical Center, at 7435 W Talcott Ave, Chicago, IL 60631 in Cook County. The practice phone is (773) 792-5253.
- Presence Resurrection Medical Center7435 W Talcott Ave, Chicago, IL 60631 · Cook CountyPhone(773) 792-5253
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Phithao J. Nguyen is affiliated with 2 sites of care and 1 medical group
Dr. Nguyen's primary practice is Presence Resurrection Medical Center in Chicago, Illinois. Dr. Nguyen is also affiliated with Resurrection Medical Center. The medical group on file is Prime Healthcare Illinois Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Phithao J. Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Presence Resurrection Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Phithao J. Nguyen is one of 771 gastroenterologists in Illinois
Gastroenterology is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Nguyen is licensed in Illinois.
Specialties and state licenses
- Gastroenterology, IllinoisPrimary
Gastroenterologists near Dr. Nguyen
Counts of gastroenterologists 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. Phithao J. Nguyen billed Medicare for 588 services in 2024
CMS data shows 588 Medicare services from Dr. Nguyen across 9 procedure codes in 2024, for 219 Medicare patients. Medicare paid $53,223 for them.
Dr. Nguyen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6372024: 47525%
- Surgery
- 2023: 1002024: 11313%
Where Dr. Nguyen's Medicare services took place, 2024
- In an office7813%
- In a facility51087%
Dr. Nguyen compared with the Illinois median for gastroenterologists, 2024
- Dr. Nguyen
- Illinois median
- Medicare services
- 588vs 49818% above
- Medicare patients
- 219vs 30729% below
- Part D claims
- 118vs 37068% below
Medians across 757 gastroenterologists in Illinois with Dmand AI profiles that report each measure.
Dr. Nguyen'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. Phithao J. Nguyen treated 219 Medicare patients in 2024, average age 76
CMS counts 219 Medicare patients who saw Dr. Nguyen in 2024. The largest group is 65 to 74, with 90 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 2.35, 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. Nguyen's median patient age at 69, with 64% women.
Dr. Nguyen's Medicare patients by age, 2024
Dr. Nguyen's Medicare patients by sex, 2024
- Women15068%
- Men6932%
Chronic conditions among Dr. Nguyen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis63%
- Heart failure52%
- Diabetes49%
- Ischemic heart disease42%
- Mood disorders41%
- Atrial fibrillation38%
Share of Medicare patients with each condition. A patient can have several.
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 69
Patient panel by sex, all payers
- Women64%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Phithao J. Nguyen wrote 192 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 192 Medicare Part D claims for 67 patients. 91% of them were for generic drugs. CMS names the drug for 118 of them, across 4 drugs with 11 or more claims each, at $2,282 in total drug cost. In 2023, CMS named 95 claims across 4 drugs.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic175 claims91%
- Brand-name17 claims9%
Dr. Nguyen'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. Nguyen's Part D claims, 2024
- Antibiotics10%20 of 192 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: 952024: 11824%
Drugs named by CMS: 4 in 2024, 4 in 2023.
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
Dr. Phithao J. Nguyen ranks in the 64th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Nguyen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 52 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Nguyen, more than 64% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Nguyen ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 64th percentile52 procedures
- Colonoscopy
- 59th percentile40 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Phithao J. Nguyen received $1,659 in industry payments from 2016 to 2025
CMS Open Payments shows 76 general payments to Dr. Nguyen from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $376.
General payments to Dr. Nguyen by program year, 2016 to 2025
General payments to Dr. Nguyen by kind, 2016 to 2025
- Food and beverage$1,64899%
- Entertainment$101%
Companies that paid Dr. Nguyen the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Phithao J. 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Phithao J. 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. Phithao J. Nguyen's NPI number?
Dr. Phithao J. Nguyen's NPI number is 1740261585. It was assigned on November 9, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Phithao J. Nguyen?
Dr. Phithao J. Nguyen is a gastroenterologist in Chicago, Illinois. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Phithao J. Nguyen practice?
Dr. Nguyen practices at 7435 W Talcott Ave, Chicago, IL 60631. Dr. Nguyen's primary practice is Presence Resurrection Medical Center in Chicago, Illinois.
What is Dr. Phithao J. Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (773) 792-5253.
What is Dr. Phithao J. Nguyen's medical license number?
Dr. Nguyen holds Illinois license 036110939.
Which hospitals is Dr. Phithao J. Nguyen affiliated with?
Dr. Nguyen is affiliated with Resurrection Medical Center.
What medical group is Dr. Phithao J. Nguyen part of?
Dr. Nguyen is linked to Prime Healthcare Illinois Medical Group.
Does Dr. Phithao J. Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 588 services in 2024, and Dr. Nguyen accepts Medicare assignment.
How many Medicare patients does Dr. Phithao J. Nguyen see?
CMS counts 219 Medicare patients who saw Dr. Nguyen in 2024, with an average age of 76.
What services does Dr. Phithao J. Nguyen bill to Medicare?
In 2024, Dr. Nguyen's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99222) and office visit, new patient (99205).
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What drugs does Dr. Phithao J. Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Famotidine.
Has Dr. Phithao J. Nguyen received payments from drug or device companies?
CMS Open Payments shows $1,659 in general payments to Dr. Nguyen from 22 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Phithao J. Nguyen been practicing?
Dr. Nguyen graduated from medical school in 1998, 28 years ago.
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