Provider Profile
Crystal G. Marrero, FNP-C
Unclaimed ProfileAbout Crystal Marrero
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Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (516) 571-9500
- Email not available
Practice Locations
682 UNION AVE
Westbury, NY 11590
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 6
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in Westbury 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2022 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Crystal G. Marrero?
Crystal G. Marrero is a nurse practitioner in Westbury, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
What is Crystal G. Marrero's address?
Crystal G. Marrero is listed at 682 Union Ave, Westbury, NY 11590. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Crystal G. Marrero?
The number on file is (516) 571-9500. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Crystal G. Marrero?
Crystal G. Marrero's National Provider Identifier is 1417154915. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Crystal G. Marrero train?
Crystal G. Marrero attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Crystal G. Marrero have?
Crystal G. Marrero has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
Is Crystal G. Marrero's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Crystal G. Marrero. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.