Doctor profile · Federal record

Dr. Sheryl Lynn Diaz, DO, MS

Family Medicine Physician (CMS: Family Practice) · Student in an Organized Health Care Education/Training Program · Lynwood, CA

  • NPI 1255953311
  • Accepts Medicare
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3737 Martin Luther King JR Blvd Ste 402
Lynwood, CA 902623533
(310) 639-9363
fax (310) 639-9251
Additional location
400 N Pepper Ave
Colton, CA 923241801
(909) 580-3366

Credentials & registration

NPPES · NUCC
NPI registered
May 2020 — 6 yrs on file
Profile last updated
May 17, 2024
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #20A22220

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255953311. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$565
Transactions
26
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
ITI, Inc. (d/b/a Intra-Cellular Therapies, Inc.) 8 $174.25
Lilly USA, LLC 4 $100.35
SHIELD THERAPEUTICS INC 2 $60.35
ABBVIE INC. 3 $49.67
Janssen Pharmaceuticals, Inc 2 $47.24
Novo Nordisk Inc 2 $45.24
Otsuka America Pharmaceutical, Inc. 2 $40.81
Dexcom, Inc. 1 $16.49
Cranial Technologies, Inc 1 $15.59
Teva Pharmaceuticals USA, Inc. 1 $15.16

By nature of payment

Food and Beverage
$565

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
38
Patients
0
Total drug cost
$1,065
Drug Type Claims Patients Total cost
Metformin Hcl Generic 14 0 $70
Losartan Potassium Generic 13 0 $335
Lidocaine Generic 11 0 $659

Frequently asked questions

Auto-generated from federal data
What is Dr. Sheryl Lynn Diaz's medical specialty?
Dr. Sheryl Lynn Diaz practices Family Medicine Physician in Lynwood, CA.
Where does Dr. Sheryl Lynn Diaz practice?
Dr. Sheryl Lynn Diaz practices at 3737 Martin Luther King JR Blvd Ste 402, Lynwood, CA 902623533. Office phone: 3106399363.
What is Dr. Sheryl Lynn Diaz's NPI?
Dr. Sheryl Lynn Diaz's National Provider Identifier (NPI) is 1255953311, issued by NPPES.
Does Dr. Sheryl Lynn Diaz accept Medicare assignment?
Yes. Dr. Sheryl Lynn Diaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.