ALEXANDRA LAHEY FNP-BC
NPI 1952254435
Nurse Practitioner - Family in Watertown, MA

Active since February 16, 2026PECOS EnrolledAccepts Medicare Assignment
189 WATERTOWN ST, WATERTOWN, MA 02472(866) 389-2727 Get Directions Write a Review

NPPES record last updated: March 24, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 24, 2026, Mar 10, 2026, Mar 4, 2026 (3 updates tracked since 2026).

About Alexandra Lahey Fnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALEXANDRA LAHEY FNP-BC (NPI 1952254435) is an individual family provider in Watertown, Massachusetts, licensed in Massachusetts (RN9520261) and active in the NPI registry since February 2026. She is enrolled in Medicare PECOS and is a graduate of Other (2026).

NPPES Registry Identity

NPI1952254435
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameALEXANDRA LAHEYCredential: FNP-BC
Location Address189 WATERTOWN STWatertown, MA 02472-2571
Mailing Address189 Watertown StWatertown, MA 02472-2571
Sole ProprietorNo
Medical School CMSOtherGraduated 2026
Enumeration DateFebruary 16, 2026
Last NPPES UpdateMarch 24, 20263 updates tracked since enumeration
NPPES CertifiedMarch 24, 2026
NPI 1952254435 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in MA · RN9520261
189 WATERTOWN ST, Watertown, MA 02472

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Alexandra Lahey Fnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9032686787
PECOS Enrollment IDI20260430000582
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02472 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
189 WATERTOWN ST
WATERTOWN, MA 02472
Pharmacist
189 WATERTOWN ST
WATERTOWN, MA 02472
Pharmacist
189 WATERTOWN ST
WATERTOWN, MA 02472
Nurse Practitioner (Family)
189 WATERTOWN ST
WATERTOWN, MA 02472
Pharmacy
189 WATERTOWN ST
WATERTOWN, MA 02472
Nurse Practitioner (Family)
189 WATERTOWN ST
WATERTOWN, MA 02472
Pharmacist
189 WATERTOWN ST
WATERTOWN, MA 02472
Nurse Practitioner (Family)
189 WATERTOWN ST
WATERTOWN, MA 02472

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alexandra Lahey's NPI number?

The NPI number for Alexandra Lahey is 1952254435. It was assigned to this individual provider in the NPPES registry on February 16, 2026.

Where is Alexandra Lahey located?

Alexandra Lahey practices at 189 Watertown St, Watertown, MA 02472. The listed phone number is (866) 389-2727.

What is Alexandra Lahey's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Alexandra Lahey enrolled in Medicare?

Yes. Alexandra Lahey is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Alexandra Lahey was last updated on March 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.