Doctor profile · Federal record

Dr. Marianne Tarraza, NP

Psychiatric/Mental Health Nurse Practitioner · Psychiatric/Mental Health Registered Nurse · Portland, ME

  • NPI 1780646430
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
165 Lancaster St
Portland, ME 041012406
(207) 874-1030
fax (207) 874-1044
Mailing address
Po Box 2328
South Portland, ME 041162328

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
March 31, 2019
Specialty taxonomy
363LP0808X — NUCC code
State licenses (2)
Maine #CNP81164 · Maine #RN38186

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780646430. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
212
Distinct HCPCS
3
Medicare allowed
$16,746
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 138 28 $90
90833 Psychotherapy with evaluation and management visit, 30 minutes 42 17 $54
99213 Established patient office or other outpatient visit, 20-29 minutes 32 11 $65

In context: peer comparison

Among 11 peers in Portland Psychiatric/Mental Health Nurse Practitioner, average services per provider: 96. This provider delivers 2.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,881
Transactions
128
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 6 $1,319.71
Axsome Therapeutics, INC. 18 $545.79
Abbvie INC. 20 $430.87
Otsuka America Pharmaceutical, INC. 16 $390.61
Neurocrine Biosciences, INC. 21 $295.85
Takeda Pharmaceuticals U.S.A., INC. 15 $231.16
Alkermes, INC. 12 $213.34
Lundbeck LLC 4 $120.15
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 5 $108.41
Corium, LLC 4 $71.81
Teva Pharmaceuticals USA, INC. 3 $65.03
Janssen Pharmaceuticals, INC 2 $47.85
Idorsia Pharmaceuticals US INC 2 $40.64

By nature of payment

Food and Beverage
$2,856
Travel and Lodging
$1,025

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
975
Patients
147
Total drug cost
$95,727
Drug Type Claims Patients Total cost
Clonazepam Generic 169 19 $1,246
Lamotrigine Generic 106 22 $1,774
Lorazepam Generic 103 20 $578
Diazepam Generic 84 0 $879
Gabapentin Generic 84 17 $1,382
Bupropion Xl (Bupropion Hcl) Brand 66 18 $3,522
Mirtazapine Generic 53 15 $992
Duloxetine Hcl Generic 49 11 $3,184
Caplyta (Lumateperone Tosylate) Brand 45 0 $77,856
Escitalopram Oxalate Generic 45 13 $1,649

Frequently asked questions

Auto-generated from federal data
What is Dr. Marianne Tarraza's medical specialty?
Dr. Marianne Tarraza practices Psychiatric/Mental Health Nurse Practitioner in Portland, ME.
Where does Dr. Marianne Tarraza practice?
Dr. Marianne Tarraza practices at 165 Lancaster St, Portland, ME 041012406. Office phone: 2078741030.
What is Dr. Marianne Tarraza's NPI?
Dr. Marianne Tarraza's National Provider Identifier (NPI) is 1780646430, issued by NPPES.
What procedures does Dr. Marianne Tarraza commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Psychotherapy with evaluation and management visit (HCPCS 90833); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.