Doctor profile · Federal record

Dr. Thaddeus Shattuck, MD

Psychiatry Physician · Sleep Medicine (Psychiatry & Neurology) Physician · Lewiston, ME

  • NPI 1285798447
  • MIPS 93.1 / 100 · 2023
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
330 Sabattus St Ste A
Lewiston, ME 042405553
(207) 777-8959
fax (207) 753-3093
Additional location
65 Lancaster St
Portland, ME 04101
(207) 874-1030
fax (207) 874-1044
Mailing address
165 Lancaster St
Portland, ME 041012406

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
March 27, 2024
Specialty taxonomy
2084P0800X — NUCC code
State licenses (2)
Maine #018527 · Maine #MD18527

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285798447. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
291
Distinct HCPCS
6
Medicare allowed
$27,879
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 137 60 $104
95810 Sleep study in sleep lab (6 years or older) 39 39 $114
95800 Sleep study including heart rate, breathing, and sleep time 38 38 $39
95811 Sleep study in sleep lab with continuous airway pressure (6 years or older) 38 37 $115
99213 Established patient office or other outpatient visit, 20-29 minutes 25 24 $64
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $127

In context: peer comparison

Among 4 peers in this city , average services per provider: 49. This provider delivers 5.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$568
Transactions
16
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
JAZZ PHARMACEUTICALS INC. 6 $260.72
HARMONY BIOSCIENCES LLC 3 $140.15
Philips North America LLC 2 $54.29
GENZYME CORPORATION 2 $42.58
Mallinckrodt Hospital Products Inc. 1 $28.02
Regeneron Healthcare Solutions, Inc. 1 $23.94
GlaxoSmithKline, LLC. 1 $18.68

By nature of payment

Food and Beverage
$468
Education
$100

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
772
Patients
140
Total drug cost
$26,552
Drug Type Claims Patients Total cost
Gabapentin Generic 90 16 $1,589
Clonazepam Generic 78 28 $677
Bupropion Xl (Bupropion Hcl) Brand 76 11 $1,994
Trazodone Hcl Generic 76 23 $969
Lamotrigine Generic 53 0 $907
Lorazepam Generic 51 18 $263
Venlafaxine Hcl Er (Venlafaxine Hcl) Brand 47 11 $1,252
Olanzapine Generic 42 0 $1,412
Pramipexole Dihydrochloride (Pramipexole Di-Hcl) Brand 42 16 $552
Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) Brand 40 17 $1,988

Frequently asked questions

Auto-generated from federal data
What is Dr. Thaddeus Shattuck's medical specialty?
Dr. Thaddeus Shattuck practices Psychiatry Physician in Lewiston, ME.
Where does Dr. Thaddeus Shattuck practice?
Dr. Thaddeus Shattuck practices at 330 Sabattus St Ste A, Lewiston, ME 042405553. Office phone: 2077778959.
What is Dr. Thaddeus Shattuck's NPI?
Dr. Thaddeus Shattuck's National Provider Identifier (NPI) is 1285798447, issued by NPPES.
What procedures does Dr. Thaddeus Shattuck commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Sleep study in sleep lab (6 years or older) (HCPCS 95810); Sleep study including heart rate, breathing, and sleep time (HCPCS 95800). Source: CMS Medicare Physician & Other Practitioners file.