Siddhartha Nadkarni, M.D.
NPI 1861400814 · Epilepsy Physician · New York, NY
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siddhartha Nadkarni, M.D. is a Epilepsy Physician provider in New York, NY (NPI 1861400814).
Provider details
- NPI number
- 1861400814
- Entity type
- Individual
- Primary specialty
- Epilepsy PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA11349100 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
188 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Measurement of Brain Wave Activity With Video (veeg), 12-26 Hours With Review and Report By Health Care Professional95720 | 124 | $233 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 42 | $89 |
| Measurement of Brain Wave Activity With Video (veeg), 2-12 Hours With Review and Report By Health Care Professional95718 | 11 | $151 |
| Measurement of Brain Wave Activity (eeg), Awake and Drowsy95816 | 11 | $64 |
Typical Medicare-allowed amounts for these services range $64–$233 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 60 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 126 | 15 |
| Clonazepam | 114 | 20 |
| Quetiapine Fumarate | 104 | 19 |
| Mirtazapine | 91 | 13 |
| Sertraline Hcl | 82 | — |
| Lamotrigine | 71 | 11 |
| Trazodone Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$16 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 360 Essex St Ste 303Hackensack, NJ 07601-8566Phone: (551) 996-8100Fax: (551) 996-4140
Registry dates
- Enumerated
- 2006-08-04
- Last updated
- 2026-01-04
- Certified
- 2026-01-04
Frequently asked questions
- What is Siddhartha Nadkarni's NPI number?
- Siddhartha Nadkarni's National Provider Identifier (NPI) is 1861400814, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siddhartha Nadkarni's specialty?
- Siddhartha Nadkarni is listed in the NPPES registry with a primary specialty of Epilepsy Physician (Allopathic & Osteopathic Physicians).
- Where is Siddhartha Nadkarni located?
- Siddhartha Nadkarni's practice location on file with NPPES is 223 E 34th St, New York, NY 10016-4852.
- What is Siddhartha Nadkarni's phone number?
- The practice phone number listed in the NPPES registry for Siddhartha Nadkarni is (646) 558-0807.
- Does Siddhartha Nadkarni accept Medicare?
- Siddhartha Nadkarni is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Siddhartha Nadkarni's NPI active?
- Yes — Siddhartha Nadkarni's NPI (1861400814) is active in the NPPES registry as of the last update on 2026-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.