Provider Profile
Based in Portsmouth, NH, Luiza Castro de Sa, DC is listed in the NPI registry under chiropractic. Luiza graduated from Sherman College of Straight Chiropractic in 2019. Luiza is also listed as specializing in chiropractor. According to Medicare claims data, the services billed most often include chiropractic manipulative treatment, 3-4 spinal regions. NPI 1134761190 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
875 GREENLAND RD UNIT A2
Portsmouth, NH 03801
Within Chiropractic generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
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262 services · 20 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Chiropractic manipulative treatment, 3-4 spinal regions | Treatment | 98941 |
262 | As often as other peers in Chiropractic |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Castro de Sa is a chiropractic in Portsmouth, NH. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Castro de Sa is listed at 875 Greenland Rd Unit A2, Portsmouth, NH 03801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (603) 380-9184. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Castro de Sa's National Provider Identifier is 1134761190. 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
Dr. Castro de Sa attended Sherman College of Straight Chiropractic, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
Dr. Castro de Sa has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Castro de Sa provides treatments such as chiropractic manipulative treatment, 3-4 spinal regions. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Castro de Sa. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.