Doctor profile · Federal record

Dr. Kathryn Hamann, NP

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

  • NPI 1982030961
  • Accepts Medicare
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
331 Veranda St
Portland, ME 041035545
(207) 828-2402
fax (207) 828-2425
Additional location
10 High St, Ste 105
Lewiston, ME 042407653
(207) 795-5710
fax (207) 795-2732
Mailing address
Po Box 9746
Portland, ME 041045040

Credentials & registration

NPPES · NUCC
NPI registered
September 2013 — 13 yrs on file
Profile last updated
September 29, 2020
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Maine #CNP131063

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1982030961. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
527
Distinct HCPCS
10
Medicare allowed
$21,381
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 135 79 $73
36415 Insertion of needle into vein for collection of blood sample 81 56 $7
80053 Blood test, comprehensive group of blood chemicals 57 51 $10
80061 Blood test, lipids (cholesterol and triglycerides) 53 49 $13
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 51 51 $51
83036 Hemoglobin a1c level 25 17 $9
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 18 15 $8
G0008 Administration of influenza virus vaccine 18 18 $30
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 16 16 $282
G0009 Administration of pneumococcal vaccine 16 16 $30

In context: peer comparison

Among 29 peers in this city , average services per provider: 59. This provider delivers 8.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,042
Patients
315
Total drug cost
$24,998
Drug Type Claims Patients Total cost
Lisinopril Generic 117 35 $909
Atorvastatin Calcium Generic 111 36 $3,851
Rosuvastatin Calcium Generic 98 31 $6,048
Amlodipine Besylate Generic 86 28 $812
Losartan Potassium Generic 75 21 $957
Gabapentin Generic 71 21 $2,100
Omeprazole Generic 68 25 $1,403
Metoprolol Succinate Generic 66 19 $2,067
Levothyroxine Sodium Generic 65 22 $1,220
Simvastatin Generic 61 17 $545

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathryn Hamann's medical specialty?
Dr. Kathryn Hamann practices Family Nurse Practitioner in Portland, ME.
Where does Dr. Kathryn Hamann practice?
Dr. Kathryn Hamann practices at 331 Veranda St, Portland, ME 041035545. Office phone: 2078282402.
What is Dr. Kathryn Hamann's NPI?
Dr. Kathryn Hamann's National Provider Identifier (NPI) is 1982030961, issued by NPPES.
Does Dr. Kathryn Hamann accept Medicare assignment?
Yes. Dr. Kathryn Hamann accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathryn Hamann commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.