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

Internal Medicine

Nakeya K. Dewaswala, MD

Works at hospitals in Lincoln, IL · Decatur, IL · Monticello, IL … · Illinois

Summary

Dr. Nakeya K. Dewaswala, MD is an internal medicine doctor at 2300 N Edward St, Decatur, IL 62526. Phone: (217) 876-8121. Accepts Medicare assignment. In 2024, Nakeya K. Dewaswala had 363 Original Medicare patients and 743 services. NPI 1184115339. 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 Nakeya K. Dewaswala, 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 Nakeya K. Dewaswala accept Medicare assignment?
Yes. Medicare's clinician data says Nakeya K. Dewaswala 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 Nakeya K. Dewaswala see?
In 2024, CMS data shows 363 Original Medicare patients and 743 services for Nakeya K. Dewaswala. This counts Original Medicare only and measures volume, not quality.
What is Nakeya K. Dewaswala's NPI number?
1184115339. 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 Nakeya K. Dewaswala, 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 patients363
Services billed to Medicare743
Different services or procedures28
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)157 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)84 services
  3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)66 services
  4. Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician (93018)46 services
  5. Ultrasound of heart, follow-up (93308)46 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%
  • Ischemic heart disease62%
  • Arthritis47%
  • Heart failure41%
  • Diabetes39%

Hospitals where Nakeya K. Dewaswala works

Medicare's Facility Affiliation Data lists Nakeya K. Dewaswala 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.

  • Abraham Lincoln Memorial HospitalLincoln, IL · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 141322
  • Decatur Memorial HospitalDecatur, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140135
  • Kirby Medical CenterMonticello, IL · Critical Access Hospital · Emergency services: listed by Medicare · CCN 141301
  • Memorial Medical CenterSpringfield, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140148
  • St Marys HospitalDecatur, IL · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 140166

Practice locations

Addresses where Nakeya K. Dewaswala is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Nakeya K. Dewaswala as a member of this group (CMS data updated October 2, 2026).

  • Decatur Memorial Hospital174 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Decatur

Clinicians with the same Medicare primary specialty in Decatur, IL — not a recommendation.

All internal medicine doctors in Decatur →

Other clinicians in Decatur Memorial Hospital

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

Clinician information

CredentialMD
Graduation year2016 (10 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1184115339
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