OrganizationActive
Greystone Medical Services
NPI 1548253370 · Ambulance · Houston, TX
Greystone Medical Services is a Ambulance organization in Houston, TX (NPI 1548253370).
Provider details
- NPI number
- 1548253370
- Entity type
- Organization
- Primary specialty
- AmbulanceTransportation Services
- Organization subpart
- No
- Authorized official
- Robert Berleth, Owner(713) 795-0665
Specialties & taxonomies
Transportation Services
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
2131 Sarah St
Houston, TX 77054-3804
Phone: (713) 795-0665
Street-level locationGet directions
Mailing address
2131 Sarah St
Houston, TX 77054-3804
Registry dates
- Enumerated
- 2005-08-26
- Last updated
- 2020-08-22
Frequently asked questions
- What is Greystone Medical Services's NPI number?
- Greystone Medical Services's National Provider Identifier (NPI) is 1548253370, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Greystone Medical Services?
- Greystone Medical Services is classified in the NPPES registry as Ambulance (Transportation Services).
- Where is Greystone Medical Services located?
- Greystone Medical Services's practice location on file with NPPES is 2131 Sarah St, Houston, TX 77054-3804.
- What is Greystone Medical Services's phone number?
- The practice phone number listed in the NPPES registry for Greystone Medical Services is (713) 795-0665.
- Who is the authorized official for Greystone Medical Services?
- The authorized official listed on Greystone Medical Services's NPPES record is Robert Berleth, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Greystone Medical Services's NPI active?
- Yes — Greystone Medical Services's NPI (1548253370) 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.