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

Hospitalist

Millie S. Joneja, DO

Works at hospitals in Bryn Mawr, PA · Wynnewood, PA · Pennsylvania

Summary

Dr. Millie S. Joneja, DO is a hospitalist at 100 E Lancaster Ave, Wynewood, PA 19096. Phone: (484) 337-4097. Accepts Medicare assignment. In 2024, Millie S. Joneja had 338 Original Medicare patients and 367 services. NPI 1346655735. 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: Hospitalist
  • Address: 100 E Lancaster Ave, Wynewood, PA 19096 · Directions (3 more locations)
  • Phone: (484) 337‑4097
  • Medicare: Accepts Medicare assignment
  • Hospitals: Bryn Mawr Hospital, Main Line Hospital Lankenau
  • Group practice: Main Line Healthcare
  • Medical school: Philadelphia College Of Osteopathic Medicine · graduated 2014 (12 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Millie S. Joneja, 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 Millie S. Joneja accept Medicare assignment?
Yes. Medicare's clinician data says Millie S. Joneja 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 Millie S. Joneja see?
In 2024, CMS data shows 338 Original Medicare patients and 367 services for Millie S. Joneja. This counts Original Medicare only and measures volume, not quality.
What is Millie S. Joneja's NPI number?
1346655735. 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 Millie S. Joneja, 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 patients338
Services billed to Medicare367
Different services or procedures12
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)238 services
  2. Critical care, first 30-74 minutes (99291)56 services
  3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)40 services
  4. Hospital discharge day management, 30 minutes or less (99238)17 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%
  • Arthritis60%
  • Ischemic heart disease54%
  • Chronic kidney disease45%
  • Anxiety42%

Hospitals where Millie S. Joneja works

Medicare's Facility Affiliation Data lists Millie S. Joneja 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.

  • Bryn Mawr HospitalBryn Mawr, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390139
  • Main Line Hospital LankenauWynnewood, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390195

Practice locations

Addresses where Millie S. Joneja is enrolled with Medicare (CMS data updated October 2, 2026).

  • 100 E Lancaster AveWynewood, PA 19096
  • 130 S Bryn Mawr AveBryn Mawr, PA 19010
  • 130 S Bryn Mawr Ave H, 321 Gvh Hospital Medical Services BrynBryn Mawr, PA 19010 (484) 337‑4097
  • 830 Old Lancaster RdBryn Mawr, PA 19010

Group practices

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

  • Main Line Healthcare1,184 clinicians in the group

Specialties

Find other Hospitalist doctors in Pennsylvania →

Other hospitalists in Wynewood

Clinicians with the same Medicare primary specialty in Wynewood, PA — not a recommendation.

All hospitalists in Wynewood →

Other clinicians in Main Line Healthcare

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

Clinician information

CredentialDO
Medical schoolPhiladelphia College Of Osteopathic Medicine
Graduation year2014 (12 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1346655735
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