Dana Grellhesl, M.D.
NPI 1154686046 · Anesthesiology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dana Grellhesl, M.D. is a Anesthesiology Physician provider in Houston, TX (NPI 1154686046).
Provider details
- NPI number
- 1154686046
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- P1080 (TX)
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
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 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
Additional practice locations (1)
- 6411 Fannin StHouston, TX 77030-1501Phone: (713) 500-6200
Registry dates
- Enumerated
- 2012-07-07
- Last updated
- 2023-03-13
- Certified
- 2023-03-13
Frequently asked questions
- What is Dana Grellhesl's NPI number?
- Dana Grellhesl's National Provider Identifier (NPI) is 1154686046, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dana Grellhesl's specialty?
- Dana Grellhesl is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Dana Grellhesl located?
- Dana Grellhesl's practice location on file with NPPES is 6720 Bertner Ave, Houston, TX 77030-2604.
- What is Dana Grellhesl's phone number?
- The practice phone number listed in the NPPES registry for Dana Grellhesl is (323) 552-6668.
- Does Dana Grellhesl accept Medicare?
- Dana Grellhesl is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dana Grellhesl's NPI active?
- Yes — Dana Grellhesl's NPI (1154686046) is active in the NPPES registry as of the last update on 2023-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.