Doctor profile · Federal record

Dr. Mary O'Malley, M.D., PHD.

Psychiatry Physician (CMS: Psychiatry) · Sleep Medicine (Psychiatry & Neurology) Physician · Sanford, ME

  • NPI 1649498742
  • Accepts Medicare
  • 33 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
Smmc, Dept of Psychiatry, 25 June St
Sanford, ME 04073
(207) 324-4310
Additional location
434B Stockbridge RD Lowr Level
Great Barrington, MA 012301295
(203) 556-4846
Mailing address
434B Stockbridge RD Lowr Level
Great Barrington, MA 012301295

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
July 28, 2021
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
Massachusetts #242178

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649498742. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
270
Distinct HCPCS
5
Medicare allowed
$25,996
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 168 112 $92
99442 Telephone medical discussion with physician, 11-20 minutes 49 22 $70
99214 Established patient office or other outpatient visit, 30-39 minutes 23 19 $126
90792 Psychiatric diagnostic evaluation with medical services 17 17 $205
99212 Established patient office or other outpatient visit, 10-19 minutes 13 12 $56

In context: peer comparison

Among 4 peers in Sanford Psychiatry Physician, average services per provider: 64. This provider delivers 4.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$245
Transactions
8
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Neurocrine Biosciences, INC. 2 $77.79
Indivior INC. 2 $63.89
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 2 $58.91
Otsuka America Pharmaceutical, INC. 1 $25.85
Abbvie INC. 1 $18.21

By nature of payment

Food and Beverage
$245

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,239
Patients
426
Total drug cost
$22,364
Drug Type Claims Patients Total cost
Clonazepam Generic 160 39 $1,424
Gabapentin Generic 121 48 $1,953
Trazodone Hcl Generic 107 42 $1,198
Escitalopram Oxalate Generic 95 34 $1,487
Quetiapine Fumarate Generic 92 34 $2,214
Duloxetine Hcl Generic 91 26 $1,869
Sertraline Hcl Generic 89 27 $1,094
Lamotrigine Generic 87 29 $1,153
Venlafaxine Hcl ER (Venlafaxine Hcl) Brand 72 24 $1,837
Mirtazapine Generic 62 31 $1,413

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary O'Malley's medical specialty?
Dr. Mary O'Malley practices Psychiatry Physician in Sanford, ME.
Where does Dr. Mary O'Malley practice?
Dr. Mary O'Malley practices at Smmc, Dept of Psychiatry, Sanford, ME 04073. Office phone: 2073244310.
What is Dr. Mary O'Malley's NPI?
Dr. Mary O'Malley's National Provider Identifier (NPI) is 1649498742, issued by NPPES.
Does Dr. Mary O'Malley accept Medicare assignment?
Yes. Dr. Mary O'Malley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary O'Malley commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Telephone medical discussion with physician (HCPCS 99442); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.