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Nephrology

John D. Spencer, MD

Sees patients in Columbus, OH · Ohio

Summary

John D. Spencer, MD (Nephrology) is enrolled with Medicare at 1 practice location in Columbus, OH. NPI 1972709855. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about John D. Spencer, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

NephrologyPrimary specialty
YesAccepts Medicare assignment
21Years since medical school (graduated 2005)
Indiana University School Of MedicineMedical school
MaleGender (as listed)
Pediatric Academic Association, Inc.Group practice

Quick answers

Where does John D. Spencer see patients?
Medicare's clinician data lists 1 practice location in Columbus, OH. Call before your visit to confirm the address.
What is John D. Spencer's specialty?
Medicare lists Nephrology as the primary specialty, and also Pediatric Medicine.
Does John D. Spencer accept Medicare assignment?
Yes. Medicare's clinician data says John D. Spencer accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for John D. Spencer?
(614) 722-4579, as listed in official Medicare / NPI Registry data.
What is John D. Spencer's NPI number?
1972709855. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where John D. Spencer is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John D. Spencer as a member of this group (CMS data updated 2026-10-02).

  • Pediatric Academic Association, Inc.260 clinicians in the group

Specialties

Find other Nephrology doctors in Ohio →

Other nephrologists in Columbus

Clinicians with the same Medicare primary specialty in Columbus, OH — not a recommendation.

All nephrologists in Columbus →

Clinician information

CredentialMD
Medical schoolIndiana University School Of Medicine
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1972709855
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians