Clin Colon Rectal Surg
Dr. Ragavan Vignesh Siddharthan, MD
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St. Peter's Health Partners Medical Associates
Multi-specialty group site · Albany, New York
Find Dr. Siddharthan's professional email, personal email and mobile number
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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
- 1841686441NPI Registry (opens in a new tab)
- 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
- Get email
- Mobile number
- Get number
- 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 Associates2 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.
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.
| Site | EHR vendor and product |
|---|---|
| St. Peter's Health Partners Medical Associates | Available with a free account |
| +2 more sites and 1 medical group | Available 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, WashingtonPrimary
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.
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.
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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.
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
- High cholesterol75%
- High blood pressure72%
- Arthritis49%
- Cancer39%
- Mood disorders37%
- Anxiety36%
- Ischemic heart disease35%
- 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.
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.
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.
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
- Avraham David Schlager, MD4 shared papers
- Kurt Frederick Heiss, MD3 shared papers
- Vassiliki L. Tsikitis, MD3 shared papers
Recent publications by Dr. Siddharthan
Immunohorizons
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.
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
- 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.
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.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ragavan Vignesh Siddharthan'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors 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-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. 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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