Dr. Ragavan Vignesh Siddharthan, MD

  • Albany, NY
  • General surgeon
NPI1841686441PAC ID9032426200
Medicare services, 2024
97
Medicare patients, 2024
109
Part D claims, 2024
43
Publications
14
Hospital affiliations
2
Practice address
2 Palisades Dr, Albany, NY 12205-1438
Practice phone
Call (518) 458-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

St. Peter's Health Partners Medical Associates

Multi-specialty group site · Albany, New York

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Dr. Ragavan Vignesh Siddharthan is a general surgeon in Albany, New York

Dr. Siddharthan practices at St. Peter's Health Partners Medical Associates in Albany, New York.

Dr. Siddharthan's NPI, 1841686441, was assigned on April 9, 2015. Dr. Siddharthan graduated from Emory University School of Medicine in 2015. Dr. Siddharthan holds Washington license MD61574196.

NPI and contact details
Medicare PAC ID
9032426200
NPI enumeration date
April 9, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(518) 458-2000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
37
Medical school graduation
2015

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Ragavan Vignesh Siddharthan practices at St. Peter's Health Partners Medical Associates in Albany, New York

Dr. Siddharthan's primary practice is St. Peter's Health Partners Medical Associates, at 2 Palisades Dr, Albany, NY 12205-1438. The practice phone is (518) 458-2000.

  • St. Peter's Health Partners Medical Associates
    2 Palisades Dr, Albany, NY 12205-1438Phone(518) 458-2000

Source: Dmand AI Affiliation Data

Dr. Ragavan Vignesh Siddharthan is affiliated with 3 sites of care and 2 medical groups

Dr. Siddharthan's primary practice is St. Peter's Health Partners Medical Associates in Albany, New York. Dr. Siddharthan is also affiliated with UW Medical Center - Montlake. The medical group on file is St. Peter's Medical Associates. Dmand AI also links Dr. Siddharthan to 1 more hospital and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Siddharthan

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Ragavan Vignesh Siddharthan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Siddharthan practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
St. Peter's Health Partners Medical AssociatesAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ragavan Vignesh Siddharthan is one of 1,604 general surgeons in New York

Surgery is Dr. Siddharthan's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Siddharthan is licensed in Washington.

Specialties and state licenses

  • Surgery, WashingtonPrimaryLicense MD61574196 · taxonomy 208600000X

General surgeons near Dr. Siddharthan

Counts of general surgeons 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. Ragavan Vignesh Siddharthan billed Medicare for 97 services in 2024

CMS data shows 97 Medicare services from Dr. Siddharthan across 5 procedure codes in 2024, for 109 Medicare patients. Medicare paid $8,081 for them.

Medicare services, 202497
Medicare patients109
Paid by Medicare$8,081
Procedure codes5

Dr. Siddharthan's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1672024: 7953%
Surgery
2023: 172024: 186%

Where Dr. Siddharthan's Medicare services took place, 2024

  • In an office7779%
  • In a facility2021%

Dr. Siddharthan compared with the New York median for general surgeons, 2024

  • Dr. Siddharthan
  • New York median
Medicare services
97vs 15437% below
Medicare patients
109vs 109Close to median
Part D claims
46vs 2492% above

Medians across 1,502 general surgeons in New York with Dmand AI profiles that report each measure.

Dr. Siddharthan'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.

See all procedures by Dr. Siddharthan

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Ragavan Vignesh Siddharthan treated 109 Medicare patients in 2024, average age 74

CMS counts 109 Medicare patients who saw Dr. Siddharthan in 2024. The largest group is 65 to 74, with 43 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 25% are also on Medicaid. Their average risk score is 1.61, 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. Siddharthan's median patient age at 59, with 51% women.

Medicare patients, 2024109
Average age74
Average risk score1.61
Also on Medicaid25%

Dr. Siddharthan's Medicare patients by age, 2024

Dr. Siddharthan's Medicare patients by sex, 2024

  • Women6560%
  • Men4440%

Chronic conditions among Dr. Siddharthan's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure72%
  3. Arthritis49%
  4. Cancer39%
  5. Mood disorders37%
  6. Anxiety36%
  7. Ischemic heart disease35%
  8. Depression33%

Share of Medicare patients with each condition. A patient can have several.

Dr. Siddharthan's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women51%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Ragavan Vignesh Siddharthan wrote 43 Medicare Part D claims in 2024

In 2024, Dr. Siddharthan wrote 43 Medicare Part D claims for 28 patients. 93% of them were for generic drugs. They cover 3 drugs, with $274 in total drug cost. In 2021, CMS named 84 claims across 7 drugs.

Part D claims, 202443
Drugs named by CMS3
Total drug cost$274
Part D patients28

Dr. Siddharthan's Part D claims by kind of drug, 2024

  • Generic40 claims93%
  • Brand-name and other3 claims7%

Dr. Siddharthan's most prescribed drugs by claims, 2023

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. Siddharthan's Part D claims, 2024

  • Antibiotics53%23 of 43 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, 2021 to 2023

  • 2021
  • 2023
Claims for drugs CMS names
2021: 842023: 4645%

Drugs named by CMS: 3 in 2023, 7 in 2021.

See all prescribing by Dr. Siddharthan

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. Ragavan Vignesh Siddharthan ranks in the 54th percentile for colonoscopy in Medicare

Dr. Siddharthan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Siddharthan as offering telehealth. CMS counts 31 procedures of colonoscopy by Dr. Siddharthan, more than 54% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Siddharthan ranks in Medicare procedure volume

Colonoscopy
54th percentile31 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. Ragavan Vignesh Siddharthan has 14 publications on record

Dmand AI links 14 papers to Dr. Siddharthan, published from 2015 to 2023. 2015 was the busiest year, with 3. The most frequent topics are Postoperative Complications, Hernias, Diaphragmatic, Congenital and Herniorrhaphy. Dr. Siddharthan has published most often in J Laparoendosc Adv Surg Tech A. Dr. Siddharthan's most frequent co-authors are Avraham David Schlager, MD, Kurt Frederick Heiss, MD and Vassiliki L. Tsikitis, MD.

Papers14
Years published2015 to 2023

Dr. Siddharthan's papers by year, 2015 to 2023

Topics Dr. Siddharthan writes about most

  • Postoperative Complications
  • Hernias, Diaphragmatic, Congenital
  • Herniorrhaphy
  • Length of Stay
  • Operative Time

Dr. Siddharthan's most frequent co-authors

Recent publications by Dr. Siddharthan

See all 14 publications and co-authors

See who Dr. Siddharthan researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Siddharthan works with, so you can find a warm path to the right general surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Ragavan Vignesh Siddharthan received $6,921 in industry payments from 2019 to 2024

CMS Open Payments shows 23 general payments to Dr. Siddharthan from 4 drug and device companies from 2019 to 2024. Education make up the largest share, 51% of the total. Intuitive Surgical, Inc. paid the most, $6,722.

General payments to Dr. Siddharthan by program year, 2019 to 2024

General payments to Dr. Siddharthan by kind, 2019 to 2024

$6.9Kin total
  • Education$3,50051%
  • Travel and lodging$2,87842%
  • Food and beverage$5428%

Companies that paid Dr. Siddharthan the most, 2019 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Siddharthan

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Ragavan Vignesh Siddharthan graduated from Emory University School of Medicine

Dr. Siddharthan graduated from Emory University School of Medicine in 2015.

  1. Medical schoolEmory University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Ragavan Vignesh Siddharthan's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Ragavan Vignesh Siddharthan

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. Ragavan Vignesh Siddharthan's NPI number?

Dr. Ragavan Vignesh Siddharthan's NPI number is 1841686441. It was assigned on April 9, 2015, and it is active in the NPI Registry.

What kind of doctor is Dr. Ragavan Vignesh Siddharthan?

Dr. Ragavan Vignesh Siddharthan is a general surgeon in Albany, New York. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Ragavan Vignesh Siddharthan practice?

Dr. Siddharthan practices at 2 Palisades Dr, Albany, NY 12205-1438. Dr. Siddharthan's primary practice is St. Peter's Health Partners Medical Associates in Albany, New York. Dmand AI also links Dr. Siddharthan to 1 hospital and 1 medical group.

What is Dr. Ragavan Vignesh Siddharthan's office phone number?

The practice phone on file for Dr. Siddharthan is (518) 458-2000.

What is Dr. Ragavan Vignesh Siddharthan's medical license number?

Dr. Siddharthan holds Washington license MD61574196.

Which hospitals is Dr. Ragavan Vignesh Siddharthan affiliated with?

Dr. Siddharthan is affiliated with UW Medical Center - Montlake. Dmand AI links Dr. Siddharthan to 1 more hospital.

What medical group is Dr. Ragavan Vignesh Siddharthan part of?

Dr. Siddharthan is linked to St. Peter's Medical Associates. Dmand AI links Dr. Siddharthan to 1 more medical group.

Does Dr. Ragavan Vignesh Siddharthan accept Medicare?

Yes. CMS data shows Dr. Siddharthan billed Medicare for 97 services in 2024, and Dr. Siddharthan accepts Medicare assignment.

Does Dr. Ragavan Vignesh Siddharthan offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Siddharthan as offering telehealth services.

How many Medicare patients does Dr. Ragavan Vignesh Siddharthan see?

CMS counts 109 Medicare patients who saw Dr. Siddharthan in 2024, with an average age of 74.

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What services does Dr. Ragavan Vignesh Siddharthan bill to Medicare?

In 2024, Dr. Siddharthan's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99231) and surgery: digestive system (46600).

Where did Dr. Ragavan Vignesh Siddharthan go to medical school?

Dr. Siddharthan graduated from Emory University School of Medicine in 2015.

What drugs does Dr. Ragavan Vignesh Siddharthan prescribe most?

In 2023 Medicare Part D data, Dr. Siddharthan's most prescribed drugs by claims were Metronidazole, Tramadol HCl and Neomycin Sulfate.

Has Dr. Ragavan Vignesh Siddharthan received payments from drug or device companies?

CMS Open Payments shows $6,921 in general payments to Dr. Siddharthan from 4 companies from 2019 to 2024. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Ragavan Vignesh Siddharthan been practicing?

Dr. Siddharthan graduated from medical school in 2015, 11 years ago.

Does Dr. Ragavan Vignesh Siddharthan do research?

Dmand AI links 14 publications to Dr. Siddharthan, published from 2015 to 2023.

Who does Dr. Ragavan Vignesh Siddharthan publish with?

Dr. Siddharthan's most frequent co-authors are Avraham David Schlager, MD (4 shared papers), Kurt Frederick Heiss, MD (3 shared papers) and Vassiliki L. Tsikitis, MD (3 shared papers).

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