NPPES file of Aug 9, 2026

Katherine A. Diconzo, APRN-CNP

Family Nurse Practitioner · Portland, ME

Katherine A. Diconzo, APRN-CNP is a family nurse practitioner with a practice address in Portland, Maine, and NPI 1700380466, issued on Mar 19, 2018. Check the license (Maine CNP181035, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700380466
Name
Katherine A. Diconzo
Credential
APRN-CNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
CNP181035 ME
Self-reported in NPPES; status is on the state search
Practice location
335 Brighton Ave, Portland, ME 04102
Phone
(207) 775-4000
Enumerated
Mar 19, 2018
Record last updated
Mar 19, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180426000319); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 335 Brighton Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Victoria Ashton, M.D.Internal Medicine Physician1467533117
  2. Meredith Bennet, MDEmergency Medicine Physician1598865404
  3. Gregory Blaisdell, MDOrthopaedic Surgery Physician1689864233
  4. Matthew Camuso, MDOrthopaedic Surgery Physician1629182399
  5. Jennifer Croteau, PA-CMedical Physician Assistant1952886830
  6. Wendy Dibrigida, OTROccupational Therapist1871796094

Verify Katherine A. Diconzo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this profession
    Search for license CNP181035    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maine license search

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93% fewer Medicare Part D claims than the average family nurse practitioner in 2024

92 Medicare Part D claims for 32 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Katherine Diconzo92
  2. Specialty average1,305

Most prescribed

  1. Eliquis28 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Rehabilitation Associates PCPortland, ME

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

135 family nurse practitioner records list a practice address in Portland

They are 135 of the 6,022 NPPES records with a practice address in Portland, and 1,274 family nurse practitioner records in Maine.

All 135 in Portland → All 1,274 in Maine → Every provider in Portland →

Other family nurse practitioner records in Maine

  1. Jessica Abbatiello, NP-CPortland, ME1871811737
  2. Susan Abbott, FNP-CWaterville, ME1366776007
  3. Tammy Abbott, NPLewiston, ME1578199246
  4. Samuel Acha, FNP-BCWestbrook, ME1053832113
  5. Shannon Achorn, NPRockland, ME1891594271
  6. Christa Adams, FNPLewiston, ME1215697891
  7. Chrystal Adams, FNPBangor, ME1235180209
  8. Sarah Adams, NPLewiston, ME1891933677
  9. Katharine Addicott, FNPPortland, ME1013032036
  10. Allison Ainsworth, NPFort Fairfield, ME1487710505

Common questions

What is Katherine A. Diconzo, APRN-CNP's NPI number?

Katherine A. Diconzo, APRN-CNP's National Provider Identifier (NPI) is 1700380466, issued on Mar 19, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Katherine A. Diconzo, APRN-CNP located?

The NPPES record lists a practice address at 335 Brighton Ave, Portland, ME, 04102. Phone: (207) 775-4000. Providers update this record themselves, so call before visiting.

How can I verify Katherine A. Diconzo, APRN-CNP's license?

NPPES lists Maine license number CNP181035, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

How much does Katherine A. Diconzo, APRN-CNP prescribe under Medicare Part D?

In 2024, Katherine A. Diconzo, APRN-CNP had 92 Medicare Part D claims for 32 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.