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

Diagnostic Radiology

Adam D. Rulnick, MD

Works at hospitals in Portsmouth, NH · Brockton, MA · Bennington, VT … · New Hampshire, Massachusetts, Vermont, New Jersey

Summary

Dr. Adam D. Rulnick, MD is a radiologist at 23900 Katy Fwy, Katy, TX 77494. Phone: (281) 644-7000. Accepts Medicare assignment. In 2024, Adam D. Rulnick had 2,416 Original Medicare patients and 4,698 services. NPI 1811041031. 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 Adam D. Rulnick, 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 Adam D. Rulnick accept Medicare assignment?
Yes. Medicare's clinician data says Adam D. Rulnick 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 Adam D. Rulnick see?
In 2024, CMS data shows 2,416 Original Medicare patients and 4,698 services for Adam D. Rulnick. This counts Original Medicare only and measures volume, not quality.
What is Adam D. Rulnick's NPI number?
1811041031. 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 Adam D. Rulnick, 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 patients2,416
Services billed to Medicare4,698
Different services or procedures106
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Injection, gadobutrol, 0.1 ml (A9585)975 services
  2. Ct scan head or brain without contrast (70450)825 services
  3. X-ray of chest, 1 view (71045)535 services
  4. Ct scan of upper spine without contrast (72125)307 services
  5. X-ray of chest, 2 views (71046)174 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 blood pressure75%
  • High cholesterol75%
  • Arthritis54%
  • Diabetes39%
  • Ischemic heart disease39%
  • Anxiety36%

Hospitals where Adam D. Rulnick works

Medicare's Facility Affiliation Data lists Adam D. Rulnick 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 Adam D. Rulnick is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Adam D. Rulnick as a member of these groups (CMS data updated October 2, 2026).

  • Sutter Bay Medical Foundation3,829 clinicians in the group
  • Geisinger Clinic3,467 clinicians in the group
  • Singleton Associates PA838 clinicians in the group
  • Sonoran Radiology Ltd475 clinicians in the group
  • Geisinger-Hm Joint Venture LLC422 clinicians in the group
  • Spectrum Healthcare Partners PA308 clinicians in the group

Specialties

Find other Diagnostic Radiology doctors in Texas →

Other radiologists in Katy

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

All radiologists in Katy →

Other clinicians in Sutter Bay Medical Foundation

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

Clinician information

CredentialMD
Graduation year2001 (25 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811041031
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