Dr. Thien T. Nguyen, MD, PhD
- Medicare services, 2024
- 1,332
- Medicare patients, 2024
- 589
- Part D claims, 2024
- 1,699
- MIPS score, 2024
- 95
- Hospital affiliations
- 2
- Practice address
- 15200 Shady Grove Rd, Rockville, MD 20850
- Practice phone
- Call (240) 453-9182
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Pain Management Specialists
Rockville, Maryland
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. Thien T. Nguyen is a neurologist in Rockville, Maryland
Dr. Nguyen practices at Pain Management Specialists in Rockville, Maryland.
Dr. Nguyen's NPI, 1639123938, was assigned on May 20, 2006. Dr. Nguyen graduated from University of Washington School of Medicine in 1999. Dr. Nguyen holds Maryland license D0062240.
- NPI
- 1639123938NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981660131
- NPI enumeration date
- May 20, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (240) 453-9182
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thien T. Nguyen practices at Pain Management Specialists in Rockville, Maryland
Dr. Nguyen's primary practice is Pain Management Specialists, at 15200 Shady Grove Rd, Rockville, MD 20850 in Montgomery County. The practice phone is (240) 453-9182.
- Pain Management Specialists15200 Shady Grove Rd, Rockville, MD 20850 · Montgomery CountyPhone(240) 453-9182
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thien T. Nguyen is affiliated with 5 sites of care
Dr. Nguyen's primary practice is Pain Management Specialists in Rockville, Maryland. Dr. Nguyen is also affiliated with Adventist HealthCare Rehabilitation. Dmand AI also links Dr. Nguyen to 1 more hospital, 1 physician office and 1 skilled nursing facility, each named with a free account.
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. Thien T. Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pain Management Specialists | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thien T. Nguyen is one of 445 neurologists in Maryland
Neurology is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Nguyen is licensed in Maryland.
Specialties and state licenses
- Neurology, MarylandPrimary
Neurologists near Dr. Nguyen
Counts of neurologists 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. Thien T. Nguyen billed Medicare for 1,332 services in 2024
CMS data shows 1,332 Medicare services from Dr. Nguyen across 8 procedure codes in 2024, for 589 Medicare patients. Medicare paid $138,808 for them. Every service was in an office.
Dr. Nguyen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1182024: 1,122No change
- Tests and treatments
- 2023: 1682024: 21025%
Dr. Nguyen compared with the Maryland median for neurologists, 2024
- Dr. Nguyen
- Maryland median
- Medicare services
- 1,332vs 4912.7 times
- Medicare patients
- 589vs 2222.7 times
- Part D claims
- 1,483vs 2565.8 times
Medians across 394 neurologists in Maryland 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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nguyen and other neurologists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thien T. Nguyen treated 589 Medicare patients in 2024, average age 77
CMS counts 589 Medicare patients who saw Dr. Nguyen in 2024. The largest group is 75 to 84, with 241 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 31% are also on Medicaid. Their average risk score is 1.28, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 70, with 57% women.
Dr. Nguyen's Medicare patients by age, 2024
Dr. Nguyen's Medicare patients by sex, 2024
- Women35260%
- Men23740%
Chronic conditions among Dr. Nguyen's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Diabetes41%
- Ischemic heart disease29%
- Mood disorders29%
- Anxiety27%
- Depression25%
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 70
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thien T. Nguyen wrote 1,699 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 1,699 Medicare Part D claims for 304 patients. 84% of them were for generic drugs. CMS names the drug for 1,483 of them, across 37 drugs with 11 or more claims each, at $334,298 in total drug cost. In 2023, CMS named 1,374 claims across 35 drugs.
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic1,425 claims84%
- Brand-name262 claims15%
- Other12 claims1%
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
- Opioids4%63 of 1,699 claims
- Antipsychotics, patients 65 and over2%26 of 1,699 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: 1,3742024: 1,4838%
Drugs named by CMS: 37 in 2024, 35 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. Thien T. Nguyen scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Nguyen for performance year 2024, reported individually. Dr. Nguyen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Nguyen's MIPS scores, performance year 2024
- 95of 100Final score
- 93.9of 100Quality
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Thien T. Nguyen received $14,705 in industry payments from 2016 to 2025
CMS Open Payments shows 931 general payments to Dr. Nguyen from 62 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, $1,550.
General payments to Dr. Nguyen by program year, 2016 to 2025
General payments to Dr. Nguyen by kind, 2016 to 2025
- Food and beverage$14,53299%
- Education$1121%
- Speaker and faculty fees$610%
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
Dr. Thien T. Nguyen graduated from University of Washington School of Medicine
Dr. Nguyen graduated from University of Washington School of Medicine in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thien T. 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Thien T. 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. Thien T. Nguyen's NPI number?
Dr. Thien T. Nguyen's NPI number is 1639123938. It was assigned on May 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thien T. Nguyen?
Dr. Thien T. Nguyen is a neurologist in Rockville, Maryland. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Thien T. Nguyen practice?
Dr. Nguyen practices at 15200 Shady Grove Rd, Rockville, MD 20850. Dr. Nguyen's primary practice is Pain Management Specialists in Rockville, Maryland. Dmand AI also links Dr. Nguyen to 1 hospital, 1 physician office and 1 skilled nursing facility.
What is Dr. Thien T. Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (240) 453-9182.
What is Dr. Thien T. Nguyen's medical license number?
Dr. Nguyen holds Maryland license D0062240.
Which hospitals is Dr. Thien T. Nguyen affiliated with?
Dr. Nguyen is affiliated with Adventist HealthCare Rehabilitation. Dmand AI links Dr. Nguyen to 1 more hospital.
Does Dr. Thien T. Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 1,332 services in 2024, and Dr. Nguyen accepts Medicare assignment.
What is Dr. Thien T. Nguyen's MIPS score?
Dr. Nguyen's MIPS final score for performance year 2024 is 95 out of 100, reported individually.
How many Medicare patients does Dr. Thien T. Nguyen see?
CMS counts 589 Medicare patients who saw Dr. Nguyen in 2024, with an average age of 77.
What services does Dr. Thien T. Nguyen bill to Medicare?
In 2024, Dr. Nguyen's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, new patient (99205).
Show 4 more questionsShow fewer questions
Where did Dr. Thien T. Nguyen go to medical school?
Dr. Nguyen graduated from University of Washington School of Medicine in 1999.
What drugs does Dr. Thien T. Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Donepezil HCl, Carbidopa-Levodopa and Memantine HCl.
Has Dr. Thien T. Nguyen received payments from drug or device companies?
CMS Open Payments shows $14,705 in general payments to Dr. Nguyen from 62 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Thien T. Nguyen been practicing?
Dr. Nguyen graduated from medical school in 1999, 27 years ago.
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