Siddhartha Shyam Nadkarni, M.D.
Epilepsy Physician · New York, NY
Siddhartha Shyam Nadkarni, M.D. is an epilepsy physician with a practice address in New York, New York, and NPI 1861400814, issued on Aug 4, 2006. Check the license (New York 219164, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Siddhartha Shyam Nadkarni
- Credential
- M.D.
- Primary taxonomy
- Epilepsy Physician 2084E0001X
- License numbers
- 219164 NY
25MA11349100 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 223 E 34TH St, New York, NY 10016
- Phone
- (646) 558-0807
- Enumerated
- Aug 4, 2006
- Record last updated
- Jan 4, 2026
- Medicaid ID
- 2677916 NY
- Medicare enrollment
- Enrolled (PECOS I20220324003000); accepts Medicare assignment
- Medical or professional school
- University Of Miami, Lm Miller School Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest epilepsy physician records → All 29 in New York → Look up another NPI →
Also registered at 223 E 34TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Isabelle Avildsen, PHDClinical Neuropsychologist1497598080
- William Barr, PH.D.Clinical Neuropsychologist1922016963
- Judith Bluvstein, M.D.Neurology with Special Qualifications in Child Neurology Physician1063647832
- Tracy Butler, MDNeurology Physician1659430833
- Macy Carobene, NPPediatric Nurse Practitioner1588897912
- Andrew Christiana, M.D.Neurology Physician1336595628
Verify Siddhartha Shyam Nadkarni in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 219164Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average epilepsy physician in 2024
1,911 Medicare Part D claims for 82 beneficiaries, against an average of 934 among the 476 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 18 claims were for opioids.
Most prescribed
- Venlafaxine Hcl Er126 claims
- Clonazepam114 claims
- Quetiapine Fumarate104 claims
- Mirtazapine91 claims
- Sertraline Hcl82 claims
- Lamotrigine71 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $16.41
1 payment: food and beverage; the largest payer was Jazz Pharmaceuticals Inc. The 345 providers of this specialty with any payment received $6,278.39 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Epilepsy And Neurophysiology Medical Consultants PAHackensack, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Siddhartha Shyam Nadkarni among 29 epilepsy physician records in New York
Siddhartha Shyam Nadkarni, M.D. is one of 29 epilepsy physician records with a practice address in New York. 100% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 76% newer
- In a Medicare fileYes · 100% of these records are
- In the CMS Doctors and Clinicians fileYes · 97% of these records are
- Graduated1997 · median 2011 among the 28 with a school on file
- Record last updated2026 · 0% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084E0001X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Epilepsy Physician providers in New York
There are 29 epilepsy physician records in New York.
All 29 in New York → Every provider in New York → Epilepsy Physician nationwide →
The 8 epilepsy physician records with the nearest ZIP codes
- Patricia Dugan, M.D.New York, NY 100161467789107
- Daniel Friedman, MDNew York, NY 100161407900152
- Priya PurushothamanNew York, NY 100161104357391
- Christopher ElderNew York, NY 100171033553979
- Hai ChenNew York, NY 100651013237270
- Kyung Wha Kim, M.D.New York, NY 100651255607966
- Sheryl Haut, MDBronx, NY 104671679658991
- Saroj KunnakkatBronx, NY 104671124515507
Common questions
What is Siddhartha Shyam Nadkarni, M.D.'s NPI number?
Siddhartha Shyam Nadkarni, M.D.'s National Provider Identifier (NPI) is 1861400814, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Siddhartha Shyam Nadkarni, M.D. located?
The NPPES record lists a practice address at 223 E 34TH St, New York, NY, 10016. Phone: (646) 558-0807. Providers update this record themselves, so call before visiting.
How can I verify Siddhartha Shyam Nadkarni, M.D.'s license?
NPPES lists New York license number 219164, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Siddhartha Shyam Nadkarni, M.D. prescribe under Medicare Part D?
In 2024, Siddhartha Shyam Nadkarni, M.D. had 1,911 Medicare Part D claims for 82 beneficiaries; the average among epilepsy physician prescribers was 934. Part D covers Medicare prescriptions only.
What is Siddhartha Shyam Nadkarni, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.