Doctor profile · Federal record

Dr. Nancy Birtley, PMHNP

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Adult Psychiatric/Mental Health Clinical Nurse Specialist · Saint Peters, MO

  • NPI 1689673956
  • Accepts Medicare
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6209 Mid Rivers Mall Dr, Suite 317
Saint Peters, MO 633041102
(636) 244-4500
fax (636) 244-4505

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
February 10, 2023
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State licenses (2)
Missouri #2015034704 · Missouri #107603
Medicaid
MO #424724110

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689673956. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
459
Distinct HCPCS
7
Medicare allowed
$37,774
HCPCS Description Services Patients Avg allowed
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 154 104 $33
90792 Psychiatric diagnostic evaluation with medical services 113 113 $163
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 73 57 $62
99347 Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes 50 38 $37
90792 Psychiatric diagnostic evaluation with medical services 42 42 $143
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 16 15 $63
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 11 11 $88

In context: peer comparison

Among 4 peers in this city , average services per provider: 73. This provider delivers 6.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,143
Patients
113
Total drug cost
$13,902
Drug Type Claims Patients Total cost
Sertraline Hcl Generic 404 55 $3,809
Trazodone Hcl Generic 195 33 $1,249
Duloxetine Hcl Generic 97 0 $1,822
Divalproex Sodium Generic 72 13 $3,048
Quetiapine Fumarate Generic 69 12 $686
Fluoxetine Hcl Generic 45 0 $355
Risperidone Generic 44 0 $333
Bupropion Hcl Sr (Bupropion Hcl) Brand 42 0 $355
Donepezil Hcl Generic 42 0 $465
Escitalopram Oxalate Generic 37 0 $372

Frequently asked questions

Auto-generated from federal data
What is Dr. Nancy Birtley's medical specialty?
Dr. Nancy Birtley practices Psychiatric/Mental Health Nurse Practitioner in Saint Peters, MO.
Where does Dr. Nancy Birtley practice?
Dr. Nancy Birtley practices at 6209 Mid Rivers Mall Dr, Saint Peters, MO 633041102. Office phone: 6362444500.
What is Dr. Nancy Birtley's NPI?
Dr. Nancy Birtley's National Provider Identifier (NPI) is 1689673956, issued by NPPES.
Does Dr. Nancy Birtley accept Medicare assignment?
Yes. Dr. Nancy Birtley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nancy Birtley commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99307); Psychiatric diagnostic evaluation with medical services (HCPCS 90792); Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308). Source: CMS Medicare Physician & Other Practitioners file.