MARY KATHERINE SHOEMAKER MD
NPI 1821652900
Internal Medicine in Houston, TX
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 Memorial Hermann Memorial City Hospital, and is a graduate of Baylor College Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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
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.
Medicare Billing Reassignments
4Medicare enrollment records show Mary Shoemaker reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fulshear, TX 77441
- Reassigned Medicare billing, Texas enrollment
- 1,235 clinicians in this Medicare group
Farmington, MN 55024
- Reassigned Medicare billing, Minnesota enrollment
- 2,302 clinicians in this Medicare group
Apple Valley, MN 55124
- Reassigned Medicare billing, Minnesota enrollment
- 2,274 clinicians in this Medicare group
Cottage Grove, MN 55016
- Reassigned Medicare billing, Minnesota enrollment
- 2,361 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.
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hermann Memorial City Hospital
Acute Care Hospitals · Houston, TXPhysician 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.
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.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOUSTON, TX 77024
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.
Which organizations bill Medicare for Mary Shoemaker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Shoemaker reassigns Medicare benefits to 4 organizations: Memorial Hermann Medical Group (Fulshear, TX), Fairview Clinics (Farmington, MN), Group Health, Inc. (Apple Valley, MN) and Healtheast Medical Research Institute (Cottage Grove, MN). 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 Mary Shoemaker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Shoemaker accept?
Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company 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 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 weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Mary Katherine Shoemaker, MD · NPI 1821652900
Internal Medicine physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since April 24, 2019.
## Identity
- **NPI:** 1821652900 (Entity type: Individual)
- **Enumerated:** April 24, 2019
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** W0729 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 915 GESSNER RD STE 100, Houston, TX 77024-2537
- **Phone:** (713) 242-2222
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Memorial Hermann Medical Group (NPI 1003985102, Fulshear, TX); Fairview Clinics (NPI 1043491749, Farmington, MN); Group Health, Inc. (NPI 1073668877, Apple Valley, MN); Healtheast Medical Research Institute (NPI 1801842729, Cottage Grove, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Baylor College Of Medicine, class of 2019
## Record status
- **NPPES last updated:** January 6, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1821652900) · Data from the CMS NPPES public registry.