Are you Herbert Sy, NP? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 43112 15Th St W, Lancaster, CA 93534
About Herbert Sy
Herbert Sy, NP is a nurse practitioner practicing in Lancaster, CA. Herbert is also listed as specializing in nurse practitioner — family. According to Medicare claims data, Herbert cared for 84 Medicare patients across 87 services. The services billed most often include emergency department visit with moderate level of medical decision making and emergency department visit with high level of medical decision making. This provider record is associated with NPI 1114512886.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (661) 729-4061
- Email not available
Practice Locations
43112 15TH ST W
Lancaster, CA 93534
Procedures Most Often Billed to Medicare
87 services · 84 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
57 | More often than most peers in Nurse Practitioner |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
30 | As often as other peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Other nurse practitioners in Lancaster 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2020 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Herbert Sy specialize in?
Herbert Sy is a nurse practitioner in Lancaster, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Herbert Sy located?
Herbert Sy is listed at 43112 15Th St W, Lancaster, CA 93534. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Herbert Sy's phone number?
The number on file is (661) 729-4061. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Herbert Sy's NPI number?
Herbert Sy's National Provider Identifier is 1114512886. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Herbert Sy train?
Herbert Sy attended Other, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
How long has Herbert Sy been practicing?
Herbert Sy has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
What does Herbert Sy do most often?
According to Medicare billing data, Herbert Sy the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Herbert Sy confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Herbert Sy. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.