Doctor profile · Federal record

Dr. Mary Nkwain

Psychiatric/Mental Health Nurse Practitioner · San Antonio, TX

  • NPI 1669109666
  • 4 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
8535 Tom Slick
San Antonio, TX 782293367
(210) 616-3900
Additional location
329 Sanford Dr Ste B
Morganton, NC 286552576
(828) 430-9120
Mailing address
5788 Eckhert RD
San Antonio, TX 782403900

Credentials & registration

NPPES · NUCC
NPI registered
August 2022 — 4 yrs on file
Profile last updated
May 7, 2024
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Texas #1093159

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669109666. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
623
Distinct HCPCS
6
Medicare allowed
$39,853
HCPCS Description Services Patients Avg allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 408 45 $61
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 120 26 $39
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 32 20 $87
99306 Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 28 28 $149
90791 Psychiatric diagnostic evaluation 20 19 $125
99238 Hospital discharge day management, 30 minutes or less 15 14 $66

In context: peer comparison

Among 36 peers in this city , average services per provider: 182. This provider delivers 3.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
127
Patients
19
Total drug cost
$1,248
Drug Type Claims Patients Total cost
Trazodone Hcl Generic 25 19 $90
Sertraline Hcl Generic 23 0 $263
Risperidone Generic 22 0 $135
Divalproex Sodium Generic 18 0 $280
Quetiapine Fumarate Generic 16 0 $149
Hydroxyzine Pamoate Generic 12 0 $135
Buspirone Hcl Generic 11 0 $196

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Nkwain's medical specialty?
Dr. Mary Nkwain practices Psychiatric/Mental Health Nurse Practitioner in San Antonio, TX.
Where does Dr. Mary Nkwain practice?
Dr. Mary Nkwain practices at 8535 Tom Slick, San Antonio, TX 782293367. Office phone: 2106163900.
What is Dr. Mary Nkwain's NPI?
Dr. Mary Nkwain's National Provider Identifier (NPI) is 1669109666, issued by NPPES.
What procedures does Dr. Mary Nkwain commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309). Source: CMS Medicare Physician & Other Practitioners file.