Margaret Tolman, APRN-CNM
NPI 1164945655 · Advanced Practice Midwife · Houston, TX
Enrolled with Medicare as Practitioner - Certified Nurse Midwife (cnm) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Tolman, APRN-CNM is a Advanced Practice Midwife provider in Houston, TX (NPI 1164945655).
Provider details
- NPI number
- 1164945655
- Entity type
- Individual
- Primary specialty
- Advanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN-CNM
- Sex
- Female
- Sole proprietor
- No
- License
- 0024175113 (VA)
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
8 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- 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.
$30 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
Additional practice locations (1)
- 6620 Main St Ste 1300Houston, TX 77030-2331Phone: (713) 797-1144
Registry dates
- Enumerated
- 2017-07-17
- Last updated
- 2025-02-18
- Certified
- 2025-02-12
Frequently asked questions
- What is Margaret Tolman's NPI number?
- Margaret Tolman's National Provider Identifier (NPI) is 1164945655, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Tolman's specialty?
- Margaret Tolman is listed in the NPPES registry with a primary specialty of Advanced Practice Midwife (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Tolman located?
- Margaret Tolman's practice location on file with NPPES is 7500 Main St, Houston, TX 77054.
- What is Margaret Tolman's phone number?
- The practice phone number listed in the NPPES registry for Margaret Tolman is (832) 357-9909.
- Does Margaret Tolman accept Medicare?
- Margaret Tolman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Tolman's NPI active?
- Yes — Margaret Tolman's NPI (1164945655) is active in the NPPES registry as of the last update on 2025-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.