MARTHA WATTINE F RAC MD
NPI 1639338528
Obstetrics & Gynecology - Maternal & Fetal Medicine in Houston, TX

Active since June 05, 2008PECOS Enrolled
84.05/100
CMS Quality Rating
1504 TAUB LOOP, HOUSTON, TX 77030(713) 526-4243 Get Directions Write a Review

NPPES record last updated: March 21, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 21, 2025, Feb 23, 2022 (2 updates tracked since 2022).

About Martha Wattine F Rac Md NPPES

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

MARTHA WATTINE F RAC MD (NPI 1639338528) is an individual maternal & fetal medicine provider in Houston, Texas, licensed in Texas (N6968) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS and maintains a secondary practice location in Houston.

NPPES Registry Identity

NPI1639338528
Entity TypeIndividualFemale
Primary Taxonomy207VM0101X
Provider Legal NameMARTHA WATTINE F RACCredential: MD
Location Address1504 TAUB LOOPHouston, TX 77030-1608
Mailing Address6651 Main St Ste 1020Houston, TX 77030-2351 · (832) 826-7313
Sole ProprietorNo
Enumeration DateJune 5, 2008
Last NPPES UpdateMarch 21, 20252 updates tracked since enumeration
NPPES CertifiedMarch 21, 2025
✔ NPI 1639338528 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
License✔ Licensed in TX · N6968
Definition
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License N6968 (TX)
1504 TAUB LOOP, Houston, TX 77030

Secondary Practice Location 1

Location 16651 Main StHouston, TX 77030-2351 · Phone (832) 826-7500

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Martha Wattine F Rac Md 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

3

Medicare enrollment records show Martha Rac reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
1504 TAUB LOOP
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 2,296 clinicians in this Medicare group
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
Thoracic Surgery (Cardiothoracic Vascular Surgery)
4900 MUELLER BLVD
Austin, TX 78723
  • Reassigned Medicare billing, Texas enrollment
  • 5,299 clinicians in this Medicare group

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 77030 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
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.05/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality84.49
Improvement Activities40
Cost54.39

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
1504 TAUB LOOP
HOUSTON, TX 77030
Physician Assistant
1504 TAUB LOOP
HOUSTON, TX 77030
Physician Assistant
1504 TAUB LOOP
HOUSTON, TX 77030
Emergency Medicine
1504 TAUB LOOP, EMERGENCY CENTER
HOUSTON, TX 77030
Emergency Medicine
1504 TAUB LOOP
HOUSTON, TX 77030
Obstetrics & Gynecology
1504 TAUB LOOP
HOUSTON, TX 77030
Emergency Medicine
1504 TAUB LOOP
HOUSTON, TX 77030
Internal Medicine
1504 TAUB LOOP
HOUSTON, TX 77030

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 Martha Rac's NPI number?

The NPI number for Martha Rac is 1639338528. It was assigned to this individual provider in the NPPES registry on June 5, 2008.

Where is Martha Rac located?

Martha Rac practices at 1504 Taub Loop, Houston, TX 77030. The listed phone number is (713) 526-4243.

What is Martha Rac's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is Martha Rac enrolled in Medicare?

Yes. Martha Rac is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Martha Rac's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Martha Rac reassigns Medicare benefits to 3 organizations: Baylor College Of Medicine (Houston, TX), Texas Children's Physician Group (Houston, TX) and University Of Texas Southwestern Medical Center At Dallas (Austin, 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 Martha Rac's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Martha Rac accept?

Health plans from Blue Cross and Blue Shield of Texas and Moda Health Plan, Inc. list Martha Rac 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 Martha Rac was last updated on March 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.