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Urology

John D. Adams Jr., MD

Works at hospitals in Magee, MS · Flowood, MS · Jackson, MS · Mississippi

Summary

Dr. John D. Adams Jr., MD is a urologist at 501 Marshall St, Suite 301, Jackson, MS 39202. Phone: (601) 353-9900. Accepts Medicare assignment. In 2024, John D. Adams Jr. had 1,524 Original Medicare patients and 22,322 services. NPI 1528263936. 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 John D. Adams Jr., 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 John D. Adams Jr. accept Medicare assignment?
Yes. Medicare's clinician data says John D. Adams Jr. 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 John D. Adams Jr. see?
In 2024, CMS data shows 1,524 Original Medicare patients and 22,322 services for John D. Adams Jr.. This counts Original Medicare only and measures volume, not quality.
What is John D. Adams Jr.'s NPI number?
1528263936. 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 John D. Adams Jr., 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 patients1,524
Services billed to Medicare22,322
Different services or procedures138
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)9,471 services
  2. Bcg live intravesical instillation, 1 mg (J9030)1,685 services
  3. Detection test by nucleic acid for organism, amplified probe technique (87798)1,457 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)1,117 services
  5. Insertion of needle into vein for collection of blood sample (36415)1,047 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%
  • Arthritis47%
  • Ischemic heart disease37%
  • Diabetes33%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)31%

Hospitals where John D. Adams Jr. works

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

Group practices

Medicare enrollment lists John D. Adams Jr. as a member of this group (CMS data updated October 2, 2026).

  • Mississippi Urology Clinic PLLC14 clinicians in the group

Specialties

Find other Urology doctors in Mississippi →

Other urologists in Jackson

Clinicians with the same Medicare primary specialty in Jackson, MS — not a recommendation.

All urologists in Jackson →

Other clinicians in Mississippi Urology Clinic PLLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Mississippi School Of Medicine
Graduation year2003 (23 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1528263936
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