Doctor profile · Federal record

Dr. Spencer Thornock, MD

Psychiatry Physician (CMS: Psychiatry) · Psychiatry Physician · Alma, MI

  • NPI 1912499757
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
120 E Warwick Dr
Alma, MI 488011010
(989) 463-2779
fax (989) 463-2064
Additional location
1621 E Broomfield St Ste A
Mt Pleasant, MI 488585427
Mailing address
946 W Midland RD
Auburn, MI 486119400

Credentials & registration

NPPES · NUCC
NPI registered
June 2018 — 8 yrs on file
Profile last updated
September 16, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State licenses (2)
Michigan #4301507600 · Michigan #4301115437

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912499757. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
238
Distinct HCPCS
3
Medicare allowed
$23,390
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 164 64 $76
90792 Psychiatric diagnostic evaluation with medical services 58 53 $166
99238 Hospital discharge day management, 30 minutes or less 16 14 $78

In context: peer comparison

Among 1 peers in Alma Psychiatry Physician, average services per provider: 79. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$218
Transactions
10
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, INC 2 $53.15
Abbvie INC. 2 $38.02
Otsuka America Pharmaceutical, INC. 1 $29.28
Axsome Therapeutics, INC. 1 $27.66
Corium, LLC 2 $26.21
Alkermes, INC. 1 $25.76
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 1 $17.90

By nature of payment

Food and Beverage
$218

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
265
Patients
11
Total drug cost
$301,168
Drug Type Claims Patients Total cost
Spravato (Esketamine Hcl) Brand 265 11 $301,168

Frequently asked questions

Auto-generated from federal data
What is Dr. Spencer Thornock's medical specialty?
Dr. Spencer Thornock practices Psychiatry Physician in Alma, MI.
Where does Dr. Spencer Thornock practice?
Dr. Spencer Thornock practices at 120 E Warwick Dr, Alma, MI 488011010. Office phone: 9894632779.
What is Dr. Spencer Thornock's NPI?
Dr. Spencer Thornock's National Provider Identifier (NPI) is 1912499757, issued by NPPES.
Does Dr. Spencer Thornock accept Medicare assignment?
Yes. Dr. Spencer Thornock accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Spencer Thornock commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Psychiatric diagnostic evaluation with medical services (HCPCS 90792); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.