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DR. MARGARET JEAN TOLMAN APRN-CNM
NPI 1164945655
Advanced Practice Midwife in Houston, TX

Active since July 17, 2017PECOS Enrolled
7500 MAIN ST, SUITE 260, HOUSTON, TX 77054(832) 357-9909(832) 357-9919 Get Directions Write a Review

NPPES record last updated: February 18, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 18, 2025, Aug 6, 2024, Jul 11, 2018 and 4 more (7 updates tracked since 2017).

About Dr. Margaret Jean Tolman Aprn-cnm NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARGARET JEAN TOLMAN APRN-CNM (NPI 1164945655) is an individual advanced practice midwife in Houston, Texas, licensed in Texas (AP136507) and active in the NPI registry since July 2017. She is enrolled in Medicare PECOS and maintains a secondary practice location in Houston.

NPPES Registry Identity

NPI1164945655
Entity TypeIndividualFemale
Primary Taxonomy367A00000X
Provider Legal NameDR. MARGARET JEAN TOLMANCredential: APRN-CNM
Location Address7500 MAIN ST, SUITE 260Houston, TX 77054
Mailing Address6620 Main St, Suite H1300Houston, TX 77030-2331 · (713) 797-1144 · Fax (832) 825-7776
Phone(832) 357-9909
Fax(832) 357-9919
Sole ProprietorNo
Enumeration DateJuly 17, 2017
Last NPPES UpdateFebruary 18, 20257 updates tracked since enumeration
NPPES CertifiedFebruary 12, 2025
✔ NPI 1164945655 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367A00000X
License✔ Licensed in TX · AP136507
Definition
Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. Source: American College of Nurse-Midwives, www.midwife.org Additional Resources: See the American College of Nurse-Midwives, www.midwife.org, for more information on Certified Nurse-Midwives, Certified Midwives, the American Midwifery Certification Board (AMCB), and licensure.
Also ListedNurse Practitioner · Obstetrics & GynecologyTaxonomy 363LX0001X · License 0024175113 (VA)
7500 MAIN ST, Houston, TX 77054
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Secondary Practice Location 1

Location 16620 Main St Ste 1300Houston, TX 77030-2331 · Phone (713) 797-1144

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Margaret Jean Tolman Aprn-cnm is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Margaret Tolman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Womans Health Group PLLC
0.6 mi
Obstetrics & Gynecology
7580 FANNIN ST, STE 335
Houston, TX 77054
  • Reassigned Medicare billing, Texas enrollment
  • 27 clinicians in this Medicare group
NPI 1750532545 (713) 797-9170
Texas Children's Physician Group
0.8 mi
Pediatrics
6621 FANNIN ST
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Texas Childrens Physician Group
  • 2,498 clinicians in this Medicare group
NPI 1861675506 (832) 824-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77054 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.40 typical visit price
range $58.24 – $176.98
Typical copayment $22.60 (range $14.56 – $44.24)
Most-billed visit code 99203
Established Patient
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Margaret Tolman's NPI number?

The NPI number for Margaret Tolman is 1164945655. It was assigned to this individual provider in the NPPES registry on July 17, 2017.

Where is Margaret Tolman located?

Margaret Tolman practices at 7500 Main St Suite 260, Houston, TX 77054. The listed phone number is (832) 357-9909.

What is Margaret Tolman's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Is Margaret Tolman enrolled in Medicare?

Yes. Margaret Tolman is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Margaret Tolman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Tolman reassigns Medicare benefits to 2 organizations: Womans Health Group PLLC (Houston, TX) and Texas Children's Physician Group (Houston, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Margaret Tolman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Margaret Tolman accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 3 other insurers list Margaret Tolman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Margaret Tolman was last updated on February 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.