DR. KATHERINE DIASE MD
NPI 1003807801
Obstetrics & Gynecology in Sugar Land, TX

Active since October 31, 2005PECOS EnrolledAccepts Medicare Assignment
16651 SOUTHWEST FWY, SUITE 200, SUGAR LAND, TX 77479(713) 774-5131(713) 774-4336 Get Directions Write a Review

NPPES record last updated: August 25, 2015. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Katherine Diase Md NPPES

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

DR. KATHERINE DIASE MD (NPI 1003807801) is an individual obstetrics & gynecology provider in Sugar Land, Texas, licensed in Texas (L0789) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Hospital System, and is a graduate of University Of Texas Southwestern Medical School At Dallas (1997).

NPPES Registry Identity

NPI1003807801
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. KATHERINE DIASECredential: MD
Location Address16651 SOUTHWEST FWY, SUITE 200Sugar Land, TX 77479-2345
Mailing Address16651 Southwest Freeway, Suite 200Sugar Land, TEXAS 77479 · (713) 774-5131 · Fax (713) 774-4336
Fax(713) 774-4336
Sole ProprietorNo
Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 1997
Enumeration DateOctober 31, 2005
Last NPPES UpdateAugust 25, 2015
NPI 1003807801 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License Licensed in TX · L0789
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.

16651 SOUTHWEST FWY, Sugar Land, TX 77479

Other Identifiers 6

Other1939678TX · Cigna
Medicare UPINH49290TX
Medicaid148453702TX
Other8P1261TX · Bcbs
Other2085936TX · First Health/ccn
Other7550242TX · Aetna

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Katherine Diase Md 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 ID4688694037
PECOS Enrollment IDI20051130000133
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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
37 services37 patients
Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous G0328
A fecal occult blood test is a screening tool for colorectal cancer. It checks for tiny amounts of blood in your stool that can't be seen with the naked eye. The immunoassay method can test 1-3 samples at once. This helps detect cancer early, when treatment is most effective.
32 services32 patients
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091
A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.
12 services12 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Hermann Hospital System

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450184
Location1635 North Loop WestHouston, TX 77008 · Harris County
Emergency services Birthing friendly

Memorial Hermann Memorial City Hospital

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450610
Location921 GessnerHouston, TX 77024 · Harris County
Emergency services Birthing friendly

Houston Methodist Sugarland Hospital

Acute Care Hospitals · Sugar Land, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450820
Location16655 Southwest FreewaySugar Land, TX 77479 · Fort Bend County
Emergency services Birthing friendly

Memorial Hermann Sugar Land Hospital

Acute Care Hospitals · Sugar Land, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450848
Location17500 W Grand Parkway SouthSugar Land, TX 77479 · Fort Bend County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77479 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
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
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.

Reported Quality Measures

Cervical Cancer Screening
Percentage of women 21-64 years of age who were screened for cervical cancer using either of the following criteria: - Women age 21-64 who had cervical cytology performed every 3 years - Women age 30-64 who had cervical cytology/human papillomavirus (HPV)…
94%1,543 patients
Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
100%20 patients5/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
100%69 patients5/55-star benchmark: 100%
Screening for Osteoporosis for Women Aged 65-85 Years of Age
Percentage of female patients aged 65-85 years of age who ever had a central dual-energy X-ray absorptiometry (DXA) to check for osteoporosis
100%20 patients5/55-star benchmark: 98%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Urology
16651 SOUTHWEST FWY, MOB 1 SUITE 310
SUGAR LAND, TX 77479
Internal Medicine (Gastroenterology)
16651 SOUTHWEST FWY, SUITE 370
SUGAR LAND, TX 77479
Clinic/Center (Physical Therapy)
16651 SOUTHWEST FWY, SUITE 402
SUGAR LAND, TX 77479
Physician Assistant (Surgical)
16651 SOUTHWEST FWY, SUITE 360
SUGAR LAND, TX 77479
Clinic/Center (Primary Care)
16651 SOUTHWEST FWY, SUITE 150
SUGAR LAND, TX 77479
Podiatrist (Foot & Ankle Surgery)
16651 SOUTHWEST FWY, #230
SUGAR LAND, TX 77479
Obstetrics & Gynecology
16651 SOUTHWEST FWY, SUITE 200
SUGAR LAND, TX 77479
Obstetrics & Gynecology
16651 SOUTHWEST FWY, SUITE 200
SUGAR LAND, TX 77479

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 Katherine Diase's NPI number?

The NPI number for Katherine Diase is 1003807801. It was assigned to this individual provider in the NPPES registry on October 31, 2005.

Where is Katherine Diase located?

Katherine Diase practices at 16651 Southwest Fwy Suite 200, Sugar Land, TX 77479. The listed phone number is (713) 774-5131.

What is Katherine Diase's specialty?

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

Is Katherine Diase enrolled in Medicare?

Yes. Katherine Diase 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.

What insurance does Katherine Diase accept?

Health plans from Community Health Choice and Molina Healthcare list Katherine Diase 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.

Is Katherine Diase affiliated with any hospitals?

According to CMS data, Katherine Diase is affiliated with Memorial Hermann Hospital System, Memorial Hermann Memorial City Hospital, Houston Methodist Sugarland Hospital and Memorial Hermann Sugar Land Hospital.

When was this NPI record last updated?

The NPPES record for Katherine Diase was last updated on August 25, 2015. NPI Profile syncs with the weekly NPPES data releases published by CMS.