Karen Marder, M.D.
NPI 1710057369 · Neurology Physician · New York, NY
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Marder, M.D. is a Neurology Physician provider in New York, NY (NPI 1710057369).
Provider details
- NPI number
- 1710057369
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 158652 (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
430 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 194 | $149 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 139 | $19 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 55 | $260 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 29 | $106 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 13 | $212 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Donepezil Hcl | 155 | 43 |
| Escitalopram Oxalate | 121 | 36 |
| Memantine Hclbrand: Memantine Hcl Er | 63 | 11 |
| Galantamine Hbrbrand: Galantamine Er | 60 | 17 |
| Sertraline Hcl | 59 | 15 |
| Olanzapine | 48 | — |
| Quetiapine Fumarate | 46 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$507 across 7 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
- 2006-11-09
- Last updated
- 2010-02-16
Frequently asked questions
- What is Karen Marder's NPI number?
- Karen Marder's National Provider Identifier (NPI) is 1710057369, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Marder's specialty?
- Karen Marder is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Marder located?
- Karen Marder's practice location on file with NPPES is 710 W 168th St, New York, NY 10032-3726.
- What is Karen Marder's phone number?
- The practice phone number listed in the NPPES registry for Karen Marder is (212) 305-6939.
- Does Karen Marder accept Medicare?
- Karen Marder is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Marder's NPI active?
- Yes — Karen Marder's NPI (1710057369) is active in the NPPES registry as of the last update on 2010-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.