Ross N Dia
NPI 1598819377 · Land Ambulance · Ft. Defiance, AZ
Enrolled with Medicare as Part B Supplier - Ambulance Service Supplier · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ross N Dia is a Land Ambulance organization in Ft. Defiance, AZ (NPI 1598819377).
Provider details
- NPI number
- 1598819377
- Entity type
- Organization
- Primary specialty
- Land AmbulanceTransportation Services
- Organization subpart
- No
- Authorized official
- Ross Dia, Owner(602) 284-1321
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
10,214 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 | 9,879 | $10 |
| Ambulance Service, Basic Life Support, Emergency Transport (bls-Emergency)A0429 | 221 | $533 |
| Ambulance Service, Advanced Life Support, Emergency Transport, Level 1 (als 1 - Emergency)A0427 | 114 | $633 |
Typical Medicare-allowed amounts for these services range $10–$633 (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
Other names (DBA / former)
- Former legal business name
- American Native Medical Transport
Registry dates
- Enumerated
- 2007-01-22
- Last updated
- 2012-10-15
Frequently asked questions
- What is Ross N Dia's NPI number?
- Ross N Dia's National Provider Identifier (NPI) is 1598819377, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Ross N Dia?
- Ross N Dia is classified in the NPPES registry as Land Ambulance (Transportation Services).
- Where is Ross N Dia located?
- Ross N Dia's practice location on file with NPPES is Bonita Drive, Ft. Defiance, AZ 86504.
- What is Ross N Dia's phone number?
- The practice phone number listed in the NPPES registry for Ross N Dia is (520) 579-8171.
- Does Ross N Dia accept Medicare?
- Ross N Dia 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 Ross N Dia?
- The authorized official listed on Ross N Dia's NPPES record is Ross Dia, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Ross N Dia's NPI active?
- Yes — Ross N Dia's NPI (1598819377) is active in the NPPES registry as of the last update on 2012-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.