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Physician Assistant

Laynie L. Mason

Works at hospitals in Indianapolis, IN · Indiana

Summary

Laynie L. Mason is a physician assistant at 1500 N Ritter Ave, Indianapolis, IN 46219. Phone: (317) 621-7444. Accepts Medicare assignment. In 2024, Laynie L. Mason had 267 Original Medicare patients and 479 services. NPI 1790391571. 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 Laynie L. Mason, 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 Laynie L. Mason accept Medicare assignment?
Yes. Medicare's clinician data says Laynie L. Mason 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 Laynie L. Mason see?
In 2024, CMS data shows 267 Original Medicare patients and 479 services for Laynie L. Mason. This counts Original Medicare only and measures volume, not quality.
What is Laynie L. Mason's NPI number?
1790391571. 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 Laynie L. Mason, 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 patients267
Services billed to Medicare479
Different services or procedures27
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)207 services
  2. Hospital discharge day management, more than 30 minutes (99239)50 services
  3. Hospital discharge day management, 30 minutes or less (99238)41 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)40 services
  5. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)33 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%
  • Arthritis56%
  • Chronic kidney disease51%
  • Ischemic heart disease42%
  • Depression40%

Hospitals where Laynie L. Mason works

Medicare's Facility Affiliation Data lists Laynie L. Mason 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 Laynie L. Mason is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Laynie L. Mason as a member of this group (CMS data updated October 2, 2026).

  • Community Physicians of Indiana Inc1,565 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Indiana →

Other physician assistants in Indianapolis

Clinicians with the same Medicare primary specialty in Indianapolis, IN — not a recommendation.

All physician assistants in Indianapolis →

Other clinicians in Community Physicians of Indiana Inc

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

Clinician information

Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1790391571
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