Keith Siller, M.D.
NPI 1992714927 · Neurology Physician · Manhasset, NY
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keith Siller, M.D. is a Neurology Physician provider in Manhasset, NY (NPI 1992714927).
Provider details
- NPI number
- 1992714927
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 183913-1 (NY)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,165 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 498 | $131 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 235 | $205 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 161 | $191 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 110 | $146 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 77 | $252 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Memantine Hcl | 116 | 45 |
| Escitalopram Oxalate | 87 | 27 |
| Gabapentin | 76 | 35 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa Er | 52 | 17 |
| Clonazepam | 48 | 33 |
| Celecoxib | 44 | 23 |
| Quetiapine Fumarate | 44 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$206 across 5 records (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
Registry dates
- Enumerated
- 2006-08-07
- Last updated
- 2026-01-08
- Certified
- 2026-01-08
Frequently asked questions
- What is Keith Siller's NPI number?
- Keith Siller's National Provider Identifier (NPI) is 1992714927, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keith Siller's specialty?
- Keith Siller is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Keith Siller located?
- Keith Siller's practice location on file with NPPES is 1615 Northern Blvd Ste 105, Manhasset, NY 11030-3033.
- What is Keith Siller's phone number?
- The practice phone number listed in the NPPES registry for Keith Siller is (516) 415-0514.
- Does Keith Siller accept Medicare?
- Keith Siller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Keith Siller's NPI active?
- Yes — Keith Siller's NPI (1992714927) is active in the NPPES registry as of the last update on 2026-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.