MARY KATHERINE SHOEMAKER MD
NPI 1821652900
Internal Medicine in Houston, TX

Active since April 24, 2019PECOS EnrolledAccepts Medicare Assignment
87.63/100
CMS Quality Rating
915 GESSNER RD STE 100, HOUSTON, TX 77024(713) 242-2222 Get Directions Write a Review

NPPES record last updated: January 6, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 6, 2026, Nov 4, 2024, Jun 5, 2023 and 1 more (4 updates tracked since 2019).

About Mary Katherine Shoemaker Md NPPES

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

MARY KATHERINE SHOEMAKER MD (NPI 1821652900) is an individual internal medicine provider in Houston, Texas, licensed in Texas (W0729) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS, is affiliated with Regions Hospital, and is a graduate of Baylor College Of Medicine (2019).

NPPES Registry Identity

NPI1821652900
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARY KATHERINE SHOEMAKERCredential: MD
Location Address915 GESSNER RD STE 100Houston, TX 77024-2537
Mailing Address915 Gessner Rd Ste 100Houston, TX 77024-2537
Sole ProprietorNo
Medical School CMSBaylor College Of MedicineGraduated 2019
Enumeration DateApril 24, 2019
Last NPPES UpdateJanuary 6, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 6, 2026
NPI 1821652900 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses Licensed in TX · W0729 Licensed in MN · 71084
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedPediatricsTaxonomy 208000000X · License 71084 (MN), W0729 (TX)
915 GESSNER RD STE 100, Houston, TX 77024

Other Names 1

Former Name (1)Mary Katherine Shoemaker

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

Mary Katherine Shoemaker 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 ID4587998158
PECOS Enrollment IDI20220708003141, I20260306003529
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 4

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
58 services39 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
40 services28 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
23 services15 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
16 services16 patients

Hospital Affiliations CMS Care Compare 2

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

Regions Hospital

Acute Care Hospitals · Saint Paul, MN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number240106
Location640 Jackson StreetSaint Paul, MN 55101 · Ramsey 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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77024 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
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
Most-billed visit code 99214
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.

87.63/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality83.78
Promoting Interoperability100
Improvement Activities40
Cost71.59

Other Providers at the Same Location NPPES 9

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

Family Medicine
915 GESSNER RD STE 100
HOUSTON, TX 77024
Family Medicine
915 GESSNER RD STE 100
HOUSTON, TX 77024
Nurse Practitioner (Family)
915 GESSNER RD STE 100
HOUSTON, TX 77024
Family Medicine
915 GESSNER RD STE 100
HOUSTON, TX 77024
Internal Medicine
915 GESSNER RD STE 100
HOUSTON, TX 77024
Nurse Practitioner (Family)
915 GESSNER RD STE 100
HOUSTON, TX 77024
Nurse Practitioner (Family)
915 GESSNER RD STE 100
HOUSTON, TX 77024
Family Medicine
915 GESSNER RD STE 100
HOUSTON, TX 77024

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 Mary Shoemaker's NPI number?

The NPI number for Mary Shoemaker is 1821652900. It was assigned to this individual provider in the NPPES registry on April 24, 2019. The provider is also known as Mary Katherine Shoemaker.

Where is Mary Shoemaker located?

Mary Shoemaker practices at 915 Gessner Rd Ste 100, Houston, TX 77024. The listed phone number is (713) 242-2222.

What is Mary Shoemaker's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mary Shoemaker enrolled in Medicare?

Yes. Mary Shoemaker 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 Mary Shoemaker accept?

Health plans from Medica and Sanford Health Plan list Mary Shoemaker 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 Mary Shoemaker affiliated with any hospitals?

According to CMS data, Mary Shoemaker is affiliated with Regions Hospital and Memorial Hermann Memorial City Hospital.

When was this NPI record last updated?

The NPPES record for Mary Shoemaker was last updated on January 6, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.