Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Amber M. Martin, NP

Works at hospitals in Houston, TX · Katy, TX · Texas

Summary

Amber M. Martin, NP is a nurse practitioner at 1331 W Grand Pkwy N, Katy, TX 77493. Phone: (281) 392-2757. Accepts Medicare assignment. In 2024, Amber M. Martin had 208 Original Medicare patients and 574 services. NPI 1407353493. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Amber M. Martin, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Amber M. Martin accept Medicare assignment?
Yes. Medicare's clinician data says Amber M. Martin accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Amber M. Martin see?
In 2024, CMS data shows 208 Original Medicare patients and 574 services for Amber M. Martin. This counts Original Medicare only and measures volume, not quality.
What is Amber M. Martin's NPI number?
1407353493. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Amber M. Martin, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients208
Services billed to Medicare574
Different services or procedures24
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)178 services
  2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)99 services
  3. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)59 services
  4. Administration of influenza virus vaccine (G0008)23 services
  5. Influenza vaccine, inactivated (90653)21 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure72%
  • Arthritis46%
  • Ischemic heart disease32%
  • Osteoporosis28%
  • Diabetes27%

Hospitals where Amber M. Martin works

Medicare's Facility Affiliation Data lists Amber M. Martin at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Amber M. Martin is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Amber M. Martin as a member of this group (CMS data updated October 2, 2026).

  • Texas Oncology PA1,014 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Texas →

Other nurse practitioners in Katy

Clinicians with the same Medicare primary specialty in Katy, TX — not a recommendation.

All nurse practitioners in Katy →

Other clinicians in Texas Oncology PA

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialNP
Graduation year2017
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1407353493
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians