Margaret Mcmillan, CRNA
NPI 1154893691 · Certified Registered Nurse Anesthetist · Houston, TX
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Mcmillan, CRNA is a Certified Registered Nurse Anesthetist provider in Houston, TX (NPI 1154893691).
Provider details
- NPI number
- 1154893691
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Female
- Sole proprietor
- Yes
- License
- 124451 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$52 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-12-21
- Last updated
- 2019-10-21
Frequently asked questions
- What is Margaret Mcmillan's NPI number?
- Margaret Mcmillan's National Provider Identifier (NPI) is 1154893691, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Mcmillan's specialty?
- Margaret Mcmillan is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Mcmillan located?
- Margaret Mcmillan's practice location on file with NPPES is 1500 Citywest Blvd Ste 300, Houston, TX 77042-2549.
- What is Margaret Mcmillan's phone number?
- The practice phone number listed in the NPPES registry for Margaret Mcmillan is (713) 620-4000.
- Does Margaret Mcmillan accept Medicare?
- Margaret Mcmillan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Mcmillan's NPI active?
- Yes — Margaret Mcmillan's NPI (1154893691) is active in the NPPES registry as of the last update on 2019-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.