DR. KATHY KAISEE LEE-OSTERMAYER M.D.
NPI 1801156732
Obstetrics & Gynecology in Houston, TX

Active since May 25, 2012PECOS EnrolledAccepts Medicare Assignment
7400 FANNIN ST STE 1050, HOUSTON, TX 77054(713) 795-1000(713) 796-1037 Get Directions Write a Review

NPPES record last updated: March 9, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Kathy Kaisee Lee-ostermayer M.d. NPPES

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

DR. KATHY KAISEE LEE-OSTERMAYER M.D. (NPI 1801156732) is an individual obstetrics & gynecology provider in Houston, Texas, licensed in Texas (Q8739) and active in the NPI registry since May 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2012).

NPPES Registry Identity

NPI1801156732
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. KATHY KAISEE LEE-OSTERMAYERCredential: M.D.
Location Address7400 FANNIN ST STE 1050Houston, TX 77054-1933
Mailing Address6565 Fannin St, Mgj9-002Houston, TX 77030-2703
Fax(713) 796-1037
Sole ProprietorYes
Medical School CMSOtherGraduated 2012
Enumeration DateMay 25, 2012
Last NPPES UpdateMarch 9, 2017
✔ NPI 1801156732 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in TX · Q8739✔ Licensed in TX · BP1004414
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
7400 FANNIN ST STE 1050, Houston, TX 77054

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Kathy Kaisee Lee-ostermayer M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1951686963
PECOS Enrollment IDI20170314000154
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 Kathy Lee-ostermayer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
510 W TIDWELL RD
Houston, TX 77091
  • Reassigned Medicare billing, Texas enrollment
  • 319 clinicians in this Medicare group
Obstetrics & Gynecology
12221 N MOPAC EXPY
Austin, TX 78758
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: Obhg Texas Holdings PA
  • 998 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 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
$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.

Other Providers at the Same Location NPPES

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

Obstetrics & Gynecology
7400 FANNIN ST STE 1050
HOUSTON, TX 77054

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 Kathy Lee-ostermayer's NPI number?

The NPI number for Kathy Lee-ostermayer is 1801156732. It was assigned to this individual provider in the NPPES registry on May 25, 2012.

Where is Kathy Lee-ostermayer located?

Kathy Lee-ostermayer practices at 7400 Fannin St Ste 1050, Houston, TX 77054. The listed phone number is (713) 795-1000.

What is Kathy Lee-ostermayer's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Kathy Lee-ostermayer enrolled in Medicare?

Yes. Kathy Lee-ostermayer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Kathy Lee-ostermayer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kathy Lee-ostermayer reassigns Medicare benefits to 2 organizations: Dynamic Anesthesia Providers PLLC (Houston, TX) and Obhg Texas Holdings, P.A. (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 Kathy Lee-ostermayer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kathy Lee-ostermayer accept?

Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and Oscar Insurance Company list Kathy Lee-ostermayer 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 Kathy Lee-ostermayer was last updated on March 9, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years 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.