Marlene Duckoff
NPI 1659732428 · Physician Assistant · New York, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marlene Duckoff is a Physician Assistant provider in New York, NY (NPI 1659732428).
Provider details
- NPI number
- 1659732428
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 53274 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-03-08
- Last updated
- 2022-03-29
- Certified
- 2022-03-29
Frequently asked questions
- What is Marlene Duckoff's NPI number?
- Marlene Duckoff's National Provider Identifier (NPI) is 1659732428, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marlene Duckoff's specialty?
- Marlene Duckoff is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marlene Duckoff located?
- Marlene Duckoff's practice location on file with NPPES is 190 Mercer St, New York, NY 10012-1502.
- What is Marlene Duckoff's phone number?
- The practice phone number listed in the NPPES registry for Marlene Duckoff is (212) 677-3400.
- Does Marlene Duckoff accept Medicare?
- Marlene Duckoff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marlene Duckoff's NPI active?
- Yes — Marlene Duckoff's NPI (1659732428) is active in the NPPES registry as of the last update on 2022-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.