Michael Holliday, M.D., PH.D.
NPI 1891113080 · Nephrology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Holliday, M.D., PH.D. is a Nephrology Physician provider in Houston, TX (NPI 1891113080).
Provider details
- NPI number
- 1891113080
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- S1128 (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
12 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
- 2014-04-03
- Last updated
- 2019-06-18
Frequently asked questions
- What is Michael Holliday's NPI number?
- Michael Holliday's National Provider Identifier (NPI) is 1891113080, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Holliday's specialty?
- Michael Holliday is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Holliday located?
- Michael Holliday's practice location on file with NPPES is 7200 Cambridge Street, Houston, TX 77030.
- What is Michael Holliday's phone number?
- The practice phone number listed in the NPPES registry for Michael Holliday is (713) 798-4951.
- Does Michael Holliday accept Medicare?
- Michael Holliday is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Holliday's NPI active?
- Yes — Michael Holliday's NPI (1891113080) is active in the NPPES registry as of the last update on 2019-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.