Sandra Layne, M.D.
NPI 1891878419 · Gastroenterology Physician · Syosset, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandra Layne, M.D. is a Gastroenterology Physician provider in Syosset, NY (NPI 1891878419).
Provider details
- NPI number
- 1891878419
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 199473 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
672 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 190 | $138 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 115 | $411 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 102 | $96 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 97 | $182 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 62 | $394 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 209 | 83 |
| Famotidine | 208 | 89 |
| Pantoprazole Sodium | 97 | 31 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 65 | 65 |
| Linaclotidebrand: Linzess | 35 | — |
| Lubiprostone | 34 | 13 |
| Sod Sulf/Pot Chloride/Mag Sulfbrand: Sutab | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,409 across 70 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-24
- Last updated
- 2008-06-09
Frequently asked questions
- What is Sandra Layne's NPI number?
- Sandra Layne's National Provider Identifier (NPI) is 1891878419, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Layne's specialty?
- Sandra Layne is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Sandra Layne located?
- Sandra Layne's practice location on file with NPPES is 175 Jericho Tpke, Syosset, NY 11791-4532.
- What is Sandra Layne's phone number?
- The practice phone number listed in the NPPES registry for Sandra Layne is (516) 864-2700.
- Does Sandra Layne accept Medicare?
- Sandra Layne is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandra Layne's NPI active?
- Yes — Sandra Layne's NPI (1891878419) is active in the NPPES registry as of the last update on 2008-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.