Dr. Srinivasan Periyanayagam, MD
- Medicare services, 2024
- 4,225
- Medicare patients, 2024
- 54
- Part D claims, 2024
- 294
- Industry payments
- $88
- Affiliated sites
- 1
- Practice address
- 390 W 17th St, Hopkinsville, KY 42240
- Practice phone
- Call (270) 886-1944
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
NEUROSURGERY PSC
Physician office · Hopkinsville, Kentucky
Find Dr. Periyanayagam's professional email, personal email and mobile number
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Dr. Srinivasan Periyanayagam is a neurosurgeon in Hopkinsville, Kentucky
Dr. Periyanayagam practices at NEUROSURGERY PSC in Hopkinsville, Kentucky.
Dr. Periyanayagam's NPI, 1932201290, was assigned on September 5, 2006. Dr. Periyanayagam holds Kentucky license 24512.
- NPI
- 1932201290NPI Registry (opens in a new tab)
- NPI enumeration date
- September 5, 2006
- NPI status
- Active
- Practice phone
- (270) 886-1944
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Srinivasan Periyanayagam practices at NEUROSURGERY PSC in Hopkinsville, Kentucky
Dr. Periyanayagam's primary practice is NEUROSURGERY PSC, at 390 W 17th St, Hopkinsville, KY 42240. The practice phone is (270) 886-1944.
- NEUROSURGERY PSC390 W 17th St, Hopkinsville, KY 42240Phone(270) 886-1944
Source: Dmand AI Affiliation Data
Dr. Srinivasan Periyanayagam is affiliated with 1 site of care
Dr. Periyanayagam's primary practice is NEUROSURGERY PSC in Hopkinsville, Kentucky.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Srinivasan Periyanayagam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Periyanayagam practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| NEUROSURGERY PSC | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Srinivasan Periyanayagam is one of 100 neurosurgeons in Kentucky
Neurological surgery is Dr. Periyanayagam's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Periyanayagam is licensed in Kentucky.
Specialties and state licenses
- Neurological surgery, KentuckyPrimary
Neurosurgeons near Dr. Periyanayagam
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. Srinivasan Periyanayagam billed Medicare for 4,225 services in 2024
CMS data shows 4,225 Medicare services from Dr. Periyanayagam across 4 procedure codes in 2024, for 54 Medicare patients. Medicare paid $41,991 for them. Every service was in an office.
Dr. Periyanayagam's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 17,1722024: 4,12676%
- Office and hospital visits
- 2023: 3022024: 6578%
- Surgery
- 2023: 1902024: 3482%
Dr. Periyanayagam compared with the Kentucky median for neurosurgeons, 2024
- Dr. Periyanayagam
- Kentucky median
- Medicare services
- 4,225vs 23617.9 times
- Medicare patients
- 54vs 17369% below
- Part D claims
- 196vs 782.5 times
Medians across 96 neurosurgeons in Kentucky with Dmand AI profiles that report each measure.
Dr. Periyanayagam'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.
Need commercial claims for Dr. Periyanayagam?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Periyanayagam and other neurosurgeons in Kentucky.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Srinivasan Periyanayagam treated 54 Medicare patients in 2024, average age 68
CMS counts 54 Medicare patients who saw Dr. Periyanayagam in 2024. The largest group is 65 to 74, with 27 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 37% are also on Medicaid. Their average risk score is 1.56, 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. Periyanayagam's median patient age at 61, with 47% women.
Dr. Periyanayagam's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Periyanayagam's Medicare patients by sex, 2024
- Women3463%
- Men2037%
Chronic conditions among Dr. Periyanayagam's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis69%
- Diabetes50%
- COPD44%
- Anxiety41%
- Mood disorders41%
- Depression37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Periyanayagam's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Srinivasan Periyanayagam wrote 294 Medicare Part D claims in 2024
In 2024, Dr. Periyanayagam wrote 294 Medicare Part D claims for 50 patients. 98% of them were for generic drugs. CMS names the drug for 196 of them, across 7 drugs with 11 or more claims each, at $1,630 in total drug cost. In 2023, CMS named 696 claims across 14 drugs.
Dr. Periyanayagam's Part D claims by kind of drug, 2024
- Generic288 claims98%
- Brand-name and other6 claims2%
Dr. Periyanayagam'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. Periyanayagam's Part D claims, 2024
- Opioids13%37 of 294 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: 6962024: 19672%
Drugs named by CMS: 7 in 2024, 14 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
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Dr. Srinivasan Periyanayagam received $88 in industry payments from 2016 to 2019
CMS Open Payments shows 2 general payments to Dr. Periyanayagam from 2 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $67.
General payments to Dr. Periyanayagam by program year, 2016 to 2019
Companies that paid Dr. Periyanayagam the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Srinivasan Periyanayagam'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 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) |
| 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. Srinivasan Periyanayagam
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. Srinivasan Periyanayagam's NPI number?
Dr. Srinivasan Periyanayagam's NPI number is 1932201290. It was assigned on September 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Srinivasan Periyanayagam?
Dr. Srinivasan Periyanayagam is a neurosurgeon in Hopkinsville, Kentucky. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Srinivasan Periyanayagam practice?
Dr. Periyanayagam practices at 390 W 17th St, Hopkinsville, KY 42240. Dr. Periyanayagam's primary practice is NEUROSURGERY PSC in Hopkinsville, Kentucky.
What is Dr. Srinivasan Periyanayagam's office phone number?
The practice phone on file for Dr. Periyanayagam is (270) 886-1944.
What is Dr. Srinivasan Periyanayagam's medical license number?
Dr. Periyanayagam holds Kentucky license 24512.
Does Dr. Srinivasan Periyanayagam accept Medicare?
Yes. CMS data shows Dr. Periyanayagam billed Medicare for 4,225 services in 2024.
How many Medicare patients does Dr. Srinivasan Periyanayagam see?
CMS counts 54 Medicare patients who saw Dr. Periyanayagam in 2024, with an average age of 68.
What services does Dr. Srinivasan Periyanayagam bill to Medicare?
In 2024, Dr. Periyanayagam's most billed Medicare services were injected or infused drug (J2274), office visit, established patient (99213) and surgery: brain, spine and nerves (62370).
What drugs does Dr. Srinivasan Periyanayagam prescribe most?
In 2024 Medicare Part D data, Dr. Periyanayagam's most prescribed drugs by claims were Carisoprodol, Gabapentin and Alprazolam.
Has Dr. Srinivasan Periyanayagam received payments from drug or device companies?
CMS Open Payments shows $88 in general payments to Dr. Periyanayagam from 2 companies from 2016 to 2019. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Dr. Srinivasan Periyanayagam been practicing?
Dr. Periyanayagam graduated from medical school in 1976, 50 years ago.
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