Guardian Physicians PLLC
NPI 1154011286 · Internal Medicine Physician · Houston, TX
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guardian Physicians PLLC is a Internal Medicine Physician organization in Houston, TX (NPI 1154011286).
Provider details
- NPI number
- 1154011286
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Frank Mahzari, Owner(832) 669-0111
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
3 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
Mailing address
Registry dates
- Enumerated
- 2023-05-11
- Last updated
- 2024-03-21
- Certified
- 2024-03-21
Frequently asked questions
- What is Guardian Physicians PLLC's NPI number?
- Guardian Physicians PLLC's National Provider Identifier (NPI) is 1154011286, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Guardian Physicians PLLC?
- Guardian Physicians PLLC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Guardian Physicians PLLC located?
- Guardian Physicians PLLC's practice location on file with NPPES is 550 Post Oak Blvd Ste 411, Houston, TX 77027-9410.
- What is Guardian Physicians PLLC's phone number?
- The practice phone number listed in the NPPES registry for Guardian Physicians PLLC is (832) 669-0111.
- Does Guardian Physicians PLLC accept Medicare?
- Guardian Physicians 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 Guardian Physicians PLLC?
- The authorized official listed on Guardian Physicians PLLC's NPPES record is Frank Mahzari, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Guardian Physicians PLLC's NPI active?
- Yes — Guardian Physicians PLLC's NPI (1154011286) is active in the NPPES registry as of the last update on 2024-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.