Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mrs. Katherine Marciano, MS, FNP-C

Individual provider Family Nurse Practitioner · NPI 1356951008

Mrs. Katherine Marciano, MS, FNP-C is a Nurse Practitioner in Boston, Massachusetts. Qualified in 2020, 6 years ago. Practices with The General Hospital Corporation, a 1,276-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Massachusetts.

Years since qualifying
6
Licensed in
MA
In the registry since
2020
Specialties on file
2
What do these letters mean?
MS — Master of Science
A graduate science degree.
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

55 Fruit St
Boston, MA 02114-2696
Phone: (617) 312-8446
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence RN2279392 (MA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence RN2279392 (MA)

Record details

NPI number1356951008
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , FNP-C
Sole proprietorNo
NPI enumeratedAugust 7, 2020
Last updated in NPPESJanuary 22, 2021
Certification dateJanuary 22, 2021

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice The General Hospital Corporation — 1276 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients53
Services billed 124 a service is one billed item, such as a visit, a test or a procedure
Average patient age66

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at The General Hospital Corporation

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1276 clinicians in the practice; 12 are shown here.

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