Daniel Singer
NPI 1689106668 · Emergency Medicine Physician · Stony Brook, NY
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel Singer is a Emergency Medicine Physician provider in Stony Brook, NY (NPI 1689106668).
Provider details
- NPI number
- 1689106668
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
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
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
936 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 333 | $195 |
| Ultrasound of Heart, Follow-Up93308 | 150 | $27 |
| Critical Care, First 30-74 Minutes99291 | 131 | $237 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 87 | $135 |
| Ultrasound Scan of Chest76604 | 82 | $29 |
| Limited Ultrasound Scan of Abdomen76705 | 39 | $30 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$304 across 3 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
Additional practice locations (1)
- 9 Lewis StEast Setauket, NY 11733-1028Phone: (631) 848-7980
Registry dates
- Enumerated
- 2017-03-30
- Last updated
- 2021-06-08
- Certified
- 2021-06-08
Frequently asked questions
- What is Daniel Singer's NPI number?
- Daniel Singer's National Provider Identifier (NPI) is 1689106668, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Singer's specialty?
- Daniel Singer is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Singer located?
- Daniel Singer's practice location on file with NPPES is 101 Nicolls Rd, Stony Brook, NY 11794-0001.
- What is Daniel Singer's phone number?
- The practice phone number listed in the NPPES registry for Daniel Singer is (631) 444-2478.
- Does Daniel Singer accept Medicare?
- Daniel Singer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Daniel Singer's NPI active?
- Yes — Daniel Singer's NPI (1689106668) is active in the NPPES registry as of the last update on 2021-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.