Doctor profile · Federal record

Dr. Herbert Sy, NP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Lancaster, CA

  • NPI 1114512886
  • Accepts Medicare
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
43112 15Th St W
Lancaster, CA 935346219
(661) 729-4061

Credentials & registration

NPPES · NUCC
NPI registered
March 2021 — 5 yrs on file
Profile last updated
June 27, 2025
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
California #95016819

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114512886. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
87
Distinct HCPCS
2
Medicare allowed
$10,753
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 55 53 $106
99285 Emergency department visit with high level of medical decision making 32 31 $154

In context: peer comparison

Among 7 peers in this city , average services per provider: 38. This provider delivers 2.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
186
Patients
164
Total drug cost
$2,431
Drug Type Claims Patients Total cost
Prednisone Generic 38 36 $108
Ondansetron Odt (Ondansetron) Brand 35 34 $337
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 30 26 $853
Cephalexin Generic 23 22 $259
Azithromycin Generic 19 16 $75
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 16 16 $76
Tramadol Hcl Generic 14 14 $30
Ventolin Hfa (Albuterol Sulfate) Brand 11 0 $693

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Herbert Sy's medical specialty?
Dr. Herbert Sy practices Family Nurse Practitioner in Lancaster, CA.
Where does Dr. Herbert Sy practice?
Dr. Herbert Sy practices at 43112 15Th St W, Lancaster, CA 935346219. Office phone: 6617294061.
What is Dr. Herbert Sy's NPI?
Dr. Herbert Sy's National Provider Identifier (NPI) is 1114512886, issued by NPPES.
Does Dr. Herbert Sy accept Medicare assignment?
Yes. Dr. Herbert Sy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Herbert Sy commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.