Integrative Emergency Services Physician Group-Houston PLLC
NPI 1801458708 · Emergency Medicine Physician · Pasadena, TX
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Integrative Emergency Services Physician Group-Houston PLLC is a Emergency Medicine Physician organization in Pasadena, TX (NPI 1801458708).
Provider details
- NPI number
- 1801458708
- Entity type
- Organization
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Nestor Zenarosa, Founder and Chief Medical Officer(469) 420-5527
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
8 documented practice locations
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
Mailing address
Other names (DBA / former)
- Doing business as
- Ies Houston
- Former legal business name
- Integrative Emergency Services Physician Group-Houston
Additional practice locations (7)
- 20171 Chasewood Park DrHouston, TX 77070-1437Phone: (832) 534-5000
- 6720 Bertner AveHouston, TX 77030-2604Phone: (832) 355-1000
- 5161 E Sam Houston Pkwy SPasadena, TX 77505-3915Phone: (281) 810-9326
- 2255 E Mossy Oaks RdSpring, TX 77389-1811Phone: (346) 305-5000
- 1317 Lake Pointe PkwySugar Land, TX 77478-3997Phone: (281) 637-7000
- 17200 St Lukes WayThe Woodlands, TX 77384-8007Phone: (936) 266-2000
- 17400 St Lukes WayThe Woodlands, TX 77384-8036Phone: (936) 266-9000
Registry dates
- Enumerated
- 2019-07-01
- Last updated
- 2024-11-14
- Certified
- 2024-11-14
Frequently asked questions
- What is Integrative Emergency Services Physician Group-Houston PLLC's NPI number?
- Integrative Emergency Services Physician Group-Houston PLLC's National Provider Identifier (NPI) is 1801458708, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Integrative Emergency Services Physician Group-Houston PLLC?
- Integrative Emergency Services Physician Group-Houston PLLC is classified in the NPPES registry as Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Integrative Emergency Services Physician Group-Houston PLLC located?
- Integrative Emergency Services Physician Group-Houston PLLC's practice location on file with NPPES is 4500 E Sam Houston Pkwy S, Pasadena, TX 77505-3959.
- What is Integrative Emergency Services Physician Group-Houston PLLC's phone number?
- The practice phone number listed in the NPPES registry for Integrative Emergency Services Physician Group-Houston PLLC is (713) 948-7000.
- Does Integrative Emergency Services Physician Group-Houston PLLC accept Medicare?
- Integrative Emergency Services Physician Group-Houston PLLC 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 Integrative Emergency Services Physician Group-Houston PLLC?
- The authorized official listed on Integrative Emergency Services Physician Group-Houston PLLC's NPPES record is Nestor Zenarosa, Founder and Chief Medical Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Integrative Emergency Services Physician Group-Houston PLLC's NPI active?
- Yes — Integrative Emergency Services Physician Group-Houston PLLC's NPI (1801458708) is active in the NPPES registry as of the last update on 2024-11-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.