KATHERINE LONGO (FNP) – Family Nurse Practitioner, NPI 1912522822

KATHERINE LONGO (FNP) is a healthcare provider. based in Lexington, Massachusetts. specializing in Family Nurse Practitioner. They hold the professional credentials FNP. They hold a License No. RN2309167 (MA). The NPI Number for KATHERINE LONGO (FNP) is 1912522822

Main info

Female
Sole Proprietor
Name
KATHERINE LONGO (FNP)
NPI
1912522822
Phone
(339) 223-1370
Address
37 PERCY RD
Enumeration Date
16 June 2020
Last Update Date
13 October 2021
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience34
Completeness75
Years active:5State licenses:1Digital endpointsOther names

Provider Addresses for KATHERINE LONGO (FNP)

  • 37 PERCY RD

    LEXINGTON, MA 024215637

    Phone: (339) 223-1370

    Type: Mailing

  • 147 MILK ST

    BOSTON, MA 021094806

    Phone: (617) 654-7200

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2021-06-18

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20210618001100INurse PractitionerMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99213Established patient office or other outpatient visit, 20-29 minutes6455$0
36415Insertion of needle into vein for collection of blood sample4329$0
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit2525$0
80061Blood test, lipids (cholesterol and triglycerides)2524$0
99214Established patient office or other outpatient visit, 30-39 minutes2418$0
View full utilization report →

Insurance plans in this area (ZIP 02421)

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Reviews

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Frequently asked questions

Where can patients find KATHERINE LONGO (FNP)'s NPI?
You can confirm KATHERINE LONGO (FNP) with NPI 1912522822; it appears in the national provider directory.
Does this profile mean KATHERINE LONGO (FNP) is currently active?
Yes — KATHERINE LONGO (FNP) appears active in the national provider directory.
What field does KATHERINE LONGO (FNP) work in?
You can think of KATHERINE LONGO (FNP) as practicing within Family Nurse Practitioner. Clinical services aligned with this taxonomy classification.
Where is KATHERINE LONGO (FNP)'s primary listing?
We display Lexington, Massachusetts because that is what the record indicates for KATHERINE LONGO (FNP).
Is KATHERINE LONGO (FNP) a real provider?
This page reflects official NPPES data for NPI 1912522822. Always confirm identity and privileges with the practice and licensing boards.

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