Greenwich Emergency Medical Service, Inc.
NPI 1073534335 · Ambulance · Riverside, CT
Enrolled with Medicare as Part B Supplier - Ambulance Service Supplier · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Greenwich Emergency Medical Service, Inc. is a Ambulance organization in Riverside, CT (NPI 1073534335).
Provider details
- NPI number
- 1073534335
- Entity type
- Organization
- Primary specialty
- AmbulanceTransportation Services
- Organization subpart
- No
- Authorized official
- John Strong, Fiscal Officer(203) 637-7505
- License
- C057P1 (CT)
Specialties & taxonomies
Transportation Services
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
7,616.4 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Ground Mileage, Per Statute MileA0425 | 5,754 | $9 |
| Ambulance Service, Advanced Life Support, Emergency Transport, Level 1 (als 1 - Emergency)A0427 | 1,421 | $553 |
| Ambulance Service, Basic Life Support, Emergency Transport (bls-Emergency)A0429 | 419 | $465 |
| Advanced Life Support, Level 2 (als 2)A0433 | 22 | $800 |
Typical Medicare-allowed amounts for these services range $9–$800 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-22
- Last updated
- 2020-08-22
Frequently asked questions
- What is Greenwich Emergency Medical Service, Inc.'s NPI number?
- Greenwich Emergency Medical Service, Inc.'s National Provider Identifier (NPI) is 1073534335, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Greenwich Emergency Medical Service, Inc.?
- Greenwich Emergency Medical Service, Inc. is classified in the NPPES registry as Ambulance (Transportation Services).
- Where is Greenwich Emergency Medical Service, Inc. located?
- Greenwich Emergency Medical Service, Inc.'s practice location on file with NPPES is 1111 E Putnam Ave, Riverside, CT 06878-1335.
- What is Greenwich Emergency Medical Service, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Greenwich Emergency Medical Service, Inc. is (203) 637-7505.
- Does Greenwich Emergency Medical Service, Inc. accept Medicare?
- Greenwich Emergency Medical Service, Inc. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Greenwich Emergency Medical Service, Inc.?
- The authorized official listed on Greenwich Emergency Medical Service, Inc.'s NPPES record is John Strong, Fiscal Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Greenwich Emergency Medical Service, Inc.'s NPI active?
- Yes — Greenwich Emergency Medical Service, Inc.'s NPI (1073534335) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.