Doctor profile · Federal record

Dr. Margaret Parker, PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Houston, TX

  • NPI 1144791716
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3418 Highway 6 S Ste Unit311 Houston
Houston, TX 77082
(832) 569-5151

Credentials & registration

NPPES · NUCC
NPI registered
December 2018 — 8 yrs on file
Profile last updated
June 10, 2022
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363LP0808X — NUCC code
State license (1)
Texas #AP139820

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144791716. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$36
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Indivior INC. 1 $36.22

By nature of payment

Food and Beverage
$36

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
585
Patients
37
Total drug cost
$11,319
Drug Type Claims Patients Total cost
Venlafaxine Hcl ER (Venlafaxine Hcl) Brand 63 0 $898
Fluoxetine Hcl Generic 60 0 $962
Buspirone Hcl Generic 57 13 $784
Bupropion Xl (Bupropion Hcl) Brand 52 12 $949
Duloxetine Hcl Generic 50 0 $409
Aripiprazole Generic 42 0 $4,005
Hydroxyzine Pamoate Generic 38 12 $409
Sertraline Hcl Generic 37 0 $344
Lamotrigine Generic 34 0 $382
Citalopram Hbr (Citalopram Hydrobromide) Brand 32 0 $110

Frequently asked questions

Auto-generated from federal data
What is Dr. Margaret Parker's medical specialty?
Dr. Margaret Parker practices Psychiatric/Mental Health Nurse Practitioner in Houston, TX.
Where does Dr. Margaret Parker practice?
Dr. Margaret Parker practices at 3418 Highway 6 S Ste Unit311 Houston, Houston, TX 77082. Office phone: 8325695151.
What is Dr. Margaret Parker's NPI?
Dr. Margaret Parker's National Provider Identifier (NPI) is 1144791716, issued by NPPES.
Does Dr. Margaret Parker accept Medicare assignment?
Yes. Dr. Margaret Parker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.