Dr. Loi K. Phuong, MD
- Medicare services, 2024
- 1,073
- Medicare patients, 2024
- 322
- Part D claims, 2024
- 48
- MIPS score, 2024
- 50
- Hospital affiliations
- 5
- Practice address
- 2001 W 86th St, Indianapolis, IN 46260
- Practice phone
- Call (317) 338-2172
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ascension St Vincent Hospital- Indianapolis
Indianapolis, Indiana
Find Dr. Phuong'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. Loi K. Phuong is a neurosurgeon in Indianapolis, Indiana
Dr. Phuong practices at Ascension St Vincent Hospital- Indianapolis in Indianapolis, Indiana.
Dr. Phuong's NPI, 1841297041, was assigned on July 1, 2005. Dr. Phuong graduated from University of California, Irvine, California College of Medicine in 1997. Dr. Phuong holds Indiana license 01057259A.
- NPI
- 1841297041NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355241910
- NPI enumeration date
- July 1, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (317) 338-2172
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Loi K. Phuong practices at Ascension St Vincent Hospital- Indianapolis in Indianapolis, Indiana
Dr. Phuong's primary practice is Ascension St Vincent Hospital- Indianapolis, at 2001 W 86th St, Indianapolis, IN 46260 in Marion County. The practice phone is (317) 338-2172.
- Ascension St Vincent Hospital- Indianapolis2001 W 86th St, Indianapolis, IN 46260 · Marion CountyPhone(317) 338-2172
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Loi K. Phuong is affiliated with 9 sites of care and 3 medical groups
Dr. Phuong's primary practice is Ascension St Vincent Hospital- Indianapolis in Indianapolis, Indiana. Dr. Phuong is also affiliated with Parkview Regional Medical Center. The medical group on file is IU Health Medical Group. Dmand AI also links Dr. Phuong to 4 more hospitals, 3 group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Loi K. Phuong's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Phuong practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension St Vincent Hospital- Indianapolis | Available with a free account |
| +8 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Loi K. Phuong is one of 121 neurosurgeons in Indiana
Neurological surgery is Dr. Phuong's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Phuong is licensed in Indiana.
Specialties and state licenses
- Neurological surgery, IndianaPrimary
Neurosurgeons near Dr. Phuong
Counts of neurosurgeons 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. Loi K. Phuong billed Medicare for 1,073 services in 2024
CMS data shows 1,073 Medicare services from Dr. Phuong across 21 procedure codes in 2024, for 322 Medicare patients. Medicare paid $220,999 for them.
Dr. Phuong's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6662024: 57713%
- Surgery
- 2023: 4722024: 4965%
Where Dr. Phuong's Medicare services took place, 2024
- In an office38836%
- In a facility68564%
Dr. Phuong compared with the Indiana median for neurosurgeons, 2024
- Dr. Phuong
- Indiana median
- Medicare services
- 1,073vs 2005.4 times
- Medicare patients
- 322vs 1562.1 times
- Part D claims
- 21vs 4351% below
Medians across 106 neurosurgeons in Indiana with Dmand AI profiles that report each measure.
Dr. Phuong'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. Phuong and other neurosurgeons in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Loi K. Phuong treated 322 Medicare patients in 2024, average age 72
CMS counts 322 Medicare patients who saw Dr. Phuong in 2024. The largest group is 65 to 74, with 173 patients. 75% of them have arthritis, and 75% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.46, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Phuong's median patient age at 63, with 56% women.
Dr. Phuong's Medicare patients by age, 2024
Dr. Phuong's Medicare patients by sex, 2024
- Women17454%
- Men14846%
Chronic conditions among Dr. Phuong's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease40%
- Anxiety39%
- Diabetes39%
- Mood disorders39%
- Depression37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Phuong's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Loi K. Phuong wrote 48 Medicare Part D claims in 2024
In 2024, Dr. Phuong wrote 48 Medicare Part D claims for 35 patients. 100% of them were for generic drugs. CMS names the drug for 21 of them, across 1 drug with 11 or more claims each, at $178 in total drug cost. In 2023, CMS named 164 claims across 4 drugs.
Dr. Phuong'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. Phuong's Part D claims, 2024
- Opioids54%26 of 48 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: 1642024: 2187%
Drugs named by CMS: 1 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. Loi K. Phuong scored 50 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 50 out of 100 for Dr. Phuong for performance year 2024, reported as part of a group. Dr. Phuong accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 364 procedures of spinal fusion by Dr. Phuong, more than 97% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Phuong's MIPS scores, performance year 2024
- 50of 100Final score
- 41.6of 100Quality
- 0of 100Promoting Interoperability
- 40of 100Improvement Activities
- 73of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Phuong ranks in Medicare procedure volume
- Spinal fusion
- 97th percentile364 procedures
- Laminectomy or laminotomy (partial removal of spine bones)
- 97th percentile138 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Loi K. Phuong received $19,872 in industry payments from 2016 to 2025
CMS Open Payments shows 63 general payments to Dr. Phuong from 11 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 74% of the total. Zimmer Biomet Holdings, Inc. paid the most, $18,429.
General payments to Dr. Phuong by program year, 2016 to 2025
General payments to Dr. Phuong by kind, 2016 to 2025
- Consulting fees$14,80074%
- Travel and lodging$3,16916%
- Food and beverage$1,8839%
- Education$200%
Companies that paid Dr. Phuong 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. Loi K. Phuong graduated from University of California, Irvine, California College of Medicine
Dr. Phuong graduated from University of California, Irvine, California College of Medicine in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Loi K. Phuong'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 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)Doctors and Clinicians Utilization Data (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. Loi K. Phuong
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. Loi K. Phuong's NPI number?
Dr. Loi K. Phuong's NPI number is 1841297041. It was assigned on July 1, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Loi K. Phuong?
Dr. Loi K. Phuong is a neurosurgeon in Indianapolis, Indiana. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Loi K. Phuong practice?
Dr. Phuong practices at 2001 W 86th St, Indianapolis, IN 46260. Dr. Phuong's primary practice is Ascension St Vincent Hospital- Indianapolis in Indianapolis, Indiana. Dmand AI also links Dr. Phuong to 4 hospitals, 3 group practices and clinics and 2 medical groups.
What is Dr. Loi K. Phuong's office phone number?
The practice phone on file for Dr. Phuong is (317) 338-2172.
What is Dr. Loi K. Phuong's medical license number?
Dr. Phuong holds Indiana license 01057259A.
Which hospitals is Dr. Loi K. Phuong affiliated with?
Dr. Phuong is affiliated with Parkview Regional Medical Center. Dmand AI links Dr. Phuong to 4 more hospitals.
What medical group is Dr. Loi K. Phuong part of?
Dr. Phuong is linked to IU Health Medical Group. Dmand AI links Dr. Phuong to 2 more medical groups.
Does Dr. Loi K. Phuong accept Medicare?
Yes. CMS data shows Dr. Phuong billed Medicare for 1,073 services in 2024, and Dr. Phuong accepts Medicare assignment.
What is Dr. Loi K. Phuong's MIPS score?
Dr. Phuong's MIPS final score for performance year 2024 is 50 out of 100, reported as part of a group.
How many Medicare patients does Dr. Loi K. Phuong see?
CMS counts 322 Medicare patients who saw Dr. Phuong in 2024, with an average age of 72.
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What services does Dr. Loi K. Phuong bill to Medicare?
In 2024, Dr. Phuong's most billed Medicare services were care management and other visits (99442), surgery: brain, spine and nerves (63048) and surgery: bones and joints (22614).
Where did Dr. Loi K. Phuong go to medical school?
Dr. Phuong graduated from University of California, Irvine, California College of Medicine in 1997.
What drugs does Dr. Loi K. Phuong prescribe most?
In 2024 Medicare Part D data, Dr. Phuong's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Loi K. Phuong received payments from drug or device companies?
CMS Open Payments shows $19,872 in general payments to Dr. Phuong from 11 companies from 2016 to 2025. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. Loi K. Phuong been practicing?
Dr. Phuong graduated from medical school in 1997, 29 years ago.
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