Doctor profile · Federal record

Dr. Katherine Tontillo, MD

Psychiatry Physician (CMS: Psychiatry) · Psychiatry Physician · Psychiatry Physician · Grand Rapids, MI

  • NPI 1245681873
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 68Th St Se
Grand Rapids, MI 495486927
(616) 455-5000

Credentials & registration

NPPES · NUCC
NPI registered
June 2016 — 10 yrs on file
Profile last updated
February 26, 2019
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State licenses (3)
Michigan #4351036679 · Michigan #5315075966 · Michigan #4301109737

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245681873. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
316
Distinct HCPCS
4
Medicare allowed
$30,464
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 173 56 $94
90870 Therapy using electrical currents 79 36 $102
99213 Established patient office or other outpatient visit, 20-29 minutes 44 37 $64
90792 Psychiatric diagnostic evaluation with medical services 20 20 $168

In context: peer comparison

Among 32 peers in Grand Rapids Psychiatry Physician, average services per provider: 75. This provider delivers 4.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,782
Patients
477
Total drug cost
$47,137
Drug Type Claims Patients Total cost
Gabapentin Generic 184 40 $1,796
Quetiapine Fumarate Generic 173 41 $3,188
Mirtazapine Generic 162 45 $6,367
Trazodone Hcl Generic 146 52 $2,613
Fluoxetine Hcl Generic 133 29 $2,235
Duloxetine Hcl Generic 125 32 $6,329
Escitalopram Oxalate Generic 123 36 $2,377
Alprazolam Generic 116 23 $653
Clonazepam Generic 115 18 $705
Sertraline Hcl Generic 101 37 $1,767

Frequently asked questions

Auto-generated from federal data
What is Dr. Katherine Tontillo's medical specialty?
Dr. Katherine Tontillo practices Psychiatry Physician in Grand Rapids, MI.
Where does Dr. Katherine Tontillo practice?
Dr. Katherine Tontillo practices at 300 68Th St Se, Grand Rapids, MI 495486927. Office phone: 6164555000.
What is Dr. Katherine Tontillo's NPI?
Dr. Katherine Tontillo's National Provider Identifier (NPI) is 1245681873, issued by NPPES.
Does Dr. Katherine Tontillo accept Medicare assignment?
Yes. Dr. Katherine Tontillo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Tontillo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Therapy using electrical currents (HCPCS 90870); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.