Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Brian Lorenzen, FNP

Individual provider Family Nurse Practitioner · NPI 1154932036

Brian Lorenzen, FNP is a Nurse Practitioner in Cortlandt Manor, New York. Qualified in 2019, 7 years ago. Practices with Optum Medical Care PC, a 1,018-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
7
Licensed in
NY
In the registry since
2020
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

1978 Crompond Rd
Cortlandt Manor, NY 10567-4111
Phone: (763) 797-2146
Fax: (914) 739-2185
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 25 Barker St Apt 513, Mount Kisco, NY 10549-1635 — (914) 275-6772

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 345684 (NY)

Record details

NPI number1154932036
Entity typeIndividual (Type 1)
GenderMale
Credentials FNP
Sole proprietorNo
NPI enumeratedAugust 13, 2020
Last updated in NPPESJune 23, 2026
Certification dateJune 23, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Optum Medical Care Pc — 1018 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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