Spencer Dauer, D.O
NPI 1356873103 · Anesthesiology Physician · Bay Shore, NY
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Spencer Dauer, D.O is a Anesthesiology Physician provider in Bay Shore, NY (NPI 1356873103).
Provider details
- NPI number
- 1356873103
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O
- Sex
- Male
- Sole proprietor
- No
- License
- 309013 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 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
251 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) |
|---|---|---|
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 49 | $48 |
| Ultrasound of Heart With Probe in Esophagus, With Report93312 | 46 | $114 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate and Valve Function93325 | 33 | $3 |
| Ultrasound of Heart Blood Flow, Valves and Chambers93320 | 26 | $19 |
| Insertion of Non-Tunneled Central Venous Tube for Infusion (5 Years Or Older)36556 | 24 | $95 |
| Ultrasonic Guidance for Blood Vessel Access76937 | 22 | $15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,109 across 6 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
- 2017-03-31
- Last updated
- 2024-05-21
- Certified
- 2024-05-21
Frequently asked questions
- What is Spencer Dauer's NPI number?
- Spencer Dauer's National Provider Identifier (NPI) is 1356873103, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Spencer Dauer's specialty?
- Spencer Dauer is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Spencer Dauer located?
- Spencer Dauer's practice location on file with NPPES is 301 E Main St, Bay Shore, NY 11706-8408.
- What is Spencer Dauer's phone number?
- The practice phone number listed in the NPPES registry for Spencer Dauer is (631) 968-3000.
- Does Spencer Dauer accept Medicare?
- Spencer Dauer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Spencer Dauer's NPI active?
- Yes — Spencer Dauer's NPI (1356873103) is active in the NPPES registry as of the last update on 2024-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.