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

Internal Medicine

Johanna S. Peterson, MD

Works at hospitals in Kansas City, KS · Kansas

Summary

Dr. Johanna S. Peterson, MD is an internal medicine doctor at 3901 Rainbow Blvd, Kansas City, KS 66160. Phone: (913) 588-6994. Accepts Medicare assignment. In 2024, Johanna S. Peterson had 128 Original Medicare patients and 252 services. NPI 1134481831. 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.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 3901 Rainbow Blvd, Kansas City, KS 66160 · Directions
  • Phone: (913) 588‑6994
  • Medicare: Accepts Medicare assignment
  • Hospital: University of Kansas Hospital
  • Group practice: Kansas University Physicians Inc
  • Medical school: University Of Kansas School Of Med (kc/wich/sal) · graduated 2013 (13 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Johanna S. Peterson, 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 Johanna S. Peterson accept Medicare assignment?
Yes. Medicare's clinician data says Johanna S. Peterson 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 Johanna S. Peterson see?
In 2024, CMS data shows 128 Original Medicare patients and 252 services for Johanna S. Peterson. This counts Original Medicare only and measures volume, not quality.
What is Johanna S. Peterson's NPI number?
1134481831. 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 Johanna S. Peterson, 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 patients128
Services billed to Medicare252
Different services or procedures6
Participating Medicare providerYes
Average age of these patients67

Most frequent services

  1. Face-to-face behavioral counseling for obesity, 15 minutes (G0447)103 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)60 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)45 services
  4. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)38 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%
  • Arthritis62%
  • Depression37%
  • Diabetes35%
  • Anxiety34%

Hospitals where Johanna S. Peterson works

Medicare's Facility Affiliation Data lists Johanna S. Peterson 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 Johanna S. Peterson is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Johanna S. Peterson as a member of this group (CMS data updated October 2, 2026).

  • Kansas University Physicians Inc1,849 clinicians in the group

Specialties

Find other Internal Medicine doctors in Kansas →

Other internal medicine doctors in Kansas City

Clinicians with the same Medicare primary specialty in Kansas City, KS — not a recommendation.

All internal medicine doctors in Kansas City →

Other clinicians in Kansas University Physicians Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Kansas School Of Med (kc/wich/sal)
Graduation year2013 (13 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1134481831
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