Dr. Phaniraj Iyengar, MD
- Medicare services, 2024
- 192
- Medicare patients, 2024
- 102
- Hospital affiliations
- 1
- Industry payments
- $1,965
- Medical group
- 1
- Practice address
- 2300 Patterson Street, Nashville, TN 37203
- Practice phone
- Call (615) 342-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Iyengar'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. Phaniraj Iyengar is a vascular neurology physician in Nashville, Tennessee
Dr. Iyengar practices at TriStar Centennial Medical Center in Nashville, Tennessee, part of HCA Healthcare.
Dr. Iyengar's NPI, 1922186659, was assigned on November 1, 2006. Dr. Iyengar holds Tennessee license 67975.
- NPI
- 1922186659NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032219068
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (615) 342-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Phaniraj Iyengar practices at TriStar Centennial Medical Center in Nashville, Tennessee
Dr. Iyengar's primary practice is TriStar Centennial Medical Center, at 2300 Patterson Street, Nashville, TN 37203 in Davidson County. The practice phone is (615) 342-1000.
- TriStar Centennial Medical Center2300 Patterson Street, Nashville, TN 37203 · Davidson CountyPhone(615) 342-1000
Source: Dmand AI Affiliation Data
Dr. Phaniraj Iyengar is affiliated with 2 sites of care and 1 medical group
Dr. Iyengar's primary practice is TriStar Centennial Medical Center in Nashville, Tennessee, part of HCA Healthcare. The medical group on file is Centennial Neuroscience. Dmand AI also links Dr. Iyengar to 1 more ambulatory surgery center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Phaniraj Iyengar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Iyengar practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| TriStar Centennial 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. Phaniraj Iyengar is one of 22 vascular neurology physicians in Tennessee
Vascular neurology is Dr. Iyengar's primary specialty in the NPI Registry, under taxonomy code 2084V0102X. Dmand AI has Dr. Iyengar's licenses on file in 3 states: Tennessee, California and Connecticut.
Specialties and state licenses
- Vascular neurology, TennesseePrimary
- Neurology, California
- Connecticut license
Vascular neurology physicians near Dr. Iyengar
Counts of vascular neurology physicians 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. Phaniraj Iyengar billed Medicare for 192 services in 2024
CMS data shows 192 Medicare services from Dr. Iyengar across 3 procedure codes in 2024, for 102 Medicare patients. Medicare paid $17,430 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Iyengar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2282024: 19216%
Dr. Iyengar compared with the Tennessee median for vascular neurology physicians, 2024
- Dr. Iyengar
- Tennessee median
- Medicare services
- 192vs 21511% below
- Medicare patients
- 102vs 17341% below
Medians across 20 vascular neurology physicians in Tennessee with Dmand AI profiles that report each measure.
Dr. Iyengar'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. Iyengar and other vascular neurology physicians in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Phaniraj Iyengar treated 102 Medicare patients in 2024, average age 73
CMS counts 102 Medicare patients who saw Dr. Iyengar in 2024. The largest group is 65 to 74, with 48 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.64, 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. Iyengar's median patient age at 66, with 39% women.
Dr. Iyengar's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Iyengar's Medicare patients by sex, 2024
- Women4847%
- Men5453%
Chronic conditions among Dr. Iyengar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Stroke or TIA71%
- Arthritis64%
- Diabetes56%
- Ischemic heart disease50%
- Anxiety48%
- Mood disorders45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Iyengar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women39%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Phaniraj Iyengar takes part in Medicare
Dr. Iyengar 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. Phaniraj Iyengar received $1,965 in industry payments from 2016 to 2025
CMS Open Payments shows 56 general payments to Dr. Iyengar from 11 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic Vascular, Inc. paid the most, $1,232.
General payments to Dr. Iyengar by program year, 2016 to 2025
Companies that paid Dr. Iyengar 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. Phaniraj Iyengar'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 DataMedicare Physician & Other Practitioners - 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) |
| 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. Phaniraj Iyengar
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. Phaniraj Iyengar's NPI number?
Dr. Phaniraj Iyengar's NPI number is 1922186659. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Phaniraj Iyengar?
Dr. Phaniraj Iyengar is a vascular neurology physician in Nashville, Tennessee. The primary specialty in the NPI Registry is Vascular Neurology Physician (taxonomy code 2084V0102X).
Where does Dr. Phaniraj Iyengar practice?
Dr. Iyengar practices at 2300 Patterson Street, Nashville, TN 37203. Dr. Iyengar's primary practice is TriStar Centennial Medical Center in Nashville, Tennessee, part of HCA Healthcare. Dmand AI also links Dr. Iyengar to 1 ambulatory surgery center.
What is Dr. Phaniraj Iyengar's office phone number?
The practice phone on file for Dr. Iyengar is (615) 342-1000.
What is Dr. Phaniraj Iyengar's medical license number?
Dr. Iyengar holds Tennessee license 67975, one of the licenses on file in 3 states.
Which states has Dr. Phaniraj Iyengar been licensed in?
Dmand AI has state licenses on file for Dr. Iyengar in Tennessee, California and Connecticut.
Which hospitals is Dr. Phaniraj Iyengar affiliated with?
Dr. Iyengar practices at TriStar Centennial Medical Center in Nashville, Tennessee.
What medical group is Dr. Phaniraj Iyengar part of?
Dr. Iyengar is linked to Centennial Neuroscience.
Does Dr. Phaniraj Iyengar accept Medicare?
Yes. CMS data shows Dr. Iyengar billed Medicare for 192 services in 2024, and Dr. Iyengar accepts Medicare assignment.
How many Medicare patients does Dr. Phaniraj Iyengar see?
CMS counts 102 Medicare patients who saw Dr. Iyengar in 2024, with an average age of 73.
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What services does Dr. Phaniraj Iyengar bill to Medicare?
In 2024, Dr. Iyengar's most billed Medicare services were hospital inpatient care (99223), hospital inpatient care (99232) and hospital inpatient care (99233).
Has Dr. Phaniraj Iyengar received payments from drug or device companies?
CMS Open Payments shows $1,965 in general payments to Dr. Iyengar from 11 companies from 2016 to 2025. The largest total came from Medtronic Vascular, Inc.
How long has Dr. Phaniraj Iyengar been practicing?
Dr. Iyengar graduated from medical school in 1988, 38 years ago.
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