Doctor profile · Federal record

Dr. Thomasina Blackwater, MD

Family Medicine Physician (CMS: Family Practice) · Los Angeles, CA

  • NPI 1356915037
  • 5 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1300 N Mission RD Fl 2
Los Angeles, CA 900331021
(323) 409-8255
Mailing address
550 S Palos Verdes St Apt 632
San Pedro, CA 907315126

Credentials & registration

NPPES · NUCC
NPI registered
May 2021 — 5 yrs on file
Profile last updated
July 21, 2025
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A203016

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356915037. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$66
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 3 $65.99

By nature of payment

Food and Beverage
$66

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
45
Patients
11
Total drug cost
$3,390
Drug Type Claims Patients Total cost
Gabapentin Generic 18 0 $1,661
Atorvastatin Calcium Generic 15 11 $762
Diclofenac Sodium Generic 12 0 $967

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomasina Blackwater's medical specialty?
Dr. Thomasina Blackwater practices Family Medicine Physician in Los Angeles, CA.
Where does Dr. Thomasina Blackwater practice?
Dr. Thomasina Blackwater practices at 1300 N Mission RD Fl 2, Los Angeles, CA 900331021. Office phone: 3234098255.
What is Dr. Thomasina Blackwater's NPI?
Dr. Thomasina Blackwater's National Provider Identifier (NPI) is 1356915037, issued by NPPES.
Does Dr. Thomasina Blackwater accept Medicare assignment?
Dr. Thomasina Blackwater does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.