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Geriatric Medicine

Rahmawati Sih, MD

Works at hospitals in Maywood, IL · Hinsdale, IL · La Grange, IL · Illinois

Summary

Dr. Rahmawati Sih, MD is a geriatrician at 1325 N Meacham Rd, Schaumburg, IL 60173. Phone: (630) 469-9200. Accepts Medicare assignment. In 2024, Rahmawati Sih had 419 Original Medicare patients and 3,586 services. NPI 1346290707. 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 Rahmawati Sih, 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 Rahmawati Sih accept Medicare assignment?
Yes. Medicare's clinician data says Rahmawati Sih 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 Rahmawati Sih see?
In 2024, CMS data shows 419 Original Medicare patients and 3,586 services for Rahmawati Sih. This counts Original Medicare only and measures volume, not quality.
What is Rahmawati Sih's NPI number?
1346290707. 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 Rahmawati Sih, 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 patients419
Services billed to Medicare3,586
Different services or procedures75
Participating Medicare providerYes
Average age of these patients86

Most frequent services

  1. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)489 services
  2. Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)440 services
  3. Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)260 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)200 services
  5. Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more (99306)165 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%
  • Arthritis71%
  • Depression51%
  • Alzheimer's disease or dementia48%
  • Atrial fibrillation42%

Hospitals where Rahmawati Sih works

Medicare's Facility Affiliation Data lists Rahmawati Sih 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 Rahmawati Sih is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.

Group practices

Medicare enrollment lists Rahmawati Sih as a member of these groups (CMS data updated October 2, 2026).

  • Select Rehabilitation, LLC2,046 clinicians in the group
  • Dupage Medical Group Ltd1,322 clinicians in the group

Specialties

Find other Geriatric Medicine doctors in Illinois →

Other geriatricians in Schaumburg

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

All geriatricians in Schaumburg →

Other clinicians in Select Rehabilitation, LLC

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

Clinician information

CredentialMD
Medical schoolUniversity College Of Medicine
Graduation year1989 (37 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1346290707
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