Doctor profile · Federal record

Dr. Katherine Diconzo, APRN-CNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Portland, ME

  • NPI 1700380466
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
335 Brighton Ave
Portland, ME 04102
(207) 775-4000
Mailing address
Po Box 1849
Lewiston, ME 042411849

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Maine #CNP181035

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700380466. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
226
Distinct HCPCS
3
Medicare allowed
$16,620
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 184 118 $65
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 31 27 $98
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 11 11 $143

In context: peer comparison

Among 29 peers in Portland Family Nurse Practitioner, average services per provider: 59. This provider delivers 3.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
472
Patients
438
Total drug cost
$34,341
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 90 81 $933
Eliquis (Apixaban) Brand 65 42 $31,073
Amlodipine Besylate Generic 46 46 $179
Clopidogrel (Clopidogrel Bisulfate) Brand 37 37 $195
Lisinopril Generic 33 33 $113
Oxycodone Hcl Generic 26 26 $115
Gabapentin Generic 24 24 $403
Metoprolol Succinate Generic 22 22 $364
Tamsulosin Hcl Generic 21 21 $218
Metoprolol Tartrate Generic 20 20 $211

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Diconzo's medical specialty?
Dr. Katherine Diconzo practices Family Nurse Practitioner in Portland, ME.
Where does Dr. Katherine Diconzo practice?
Dr. Katherine Diconzo practices at 335 Brighton Ave, Portland, ME 04102. Office phone: 2077754000.
What is Dr. Katherine Diconzo's NPI?
Dr. Katherine Diconzo's National Provider Identifier (NPI) is 1700380466, issued by NPPES.
Does Dr. Katherine Diconzo accept Medicare assignment?
Yes. Dr. Katherine Diconzo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Diconzo commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.