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

Hematology/Oncology

Elaine Y. Chiang, MD

Works at hospitals in Philadelphia, PA · Pennsylvania

Summary

Dr. Elaine Y. Chiang, MD is a hematologist-oncologist at 1001 Chesterbrook Blvd 2nd Fl W, Hemo Onc Valley Forge, Berwyn, PA 19312. Phone: (610) 576-7500. Accepts Medicare assignment. In 2024, Elaine Y. Chiang had 186 Original Medicare patients and 371 services. NPI 1548360241. 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: Hematologist-oncologist (Medicare lists Hematology/Oncology)
  • Address: 1001 Chesterbrook Blvd 2nd Fl W, Hemo Onc Valley Forge, Berwyn, PA 19312 · Directions (1 more location)
  • Phone: (610) 576‑7500
  • Medicare: Accepts Medicare assignment
  • Hospitals: Hospital of University of Pennsylvania, Penn Presbyterian Medical Center
  • Group practice: University of Penn - Medical Group
  • Medical school: graduated 1999 (27 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 Elaine Y. Chiang, 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 Elaine Y. Chiang accept Medicare assignment?
Yes. Medicare's clinician data says Elaine Y. Chiang 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 Elaine Y. Chiang see?
In 2024, CMS data shows 186 Original Medicare patients and 371 services for Elaine Y. Chiang. This counts Original Medicare only and measures volume, not quality.
What is Elaine Y. Chiang's NPI number?
1548360241. 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 Elaine Y. Chiang, 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 patients186
Services billed to Medicare371
Different services or procedures10
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. 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)109 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)68 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)50 services
  4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)43 services
  5. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)35 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%
  • Arthritis48%
  • Ischemic heart disease44%
  • Chronic kidney disease42%
  • Diabetes34%

Hospitals where Elaine Y. Chiang works

Medicare's Facility Affiliation Data lists Elaine Y. Chiang 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 Elaine Y. Chiang is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Elaine Y. Chiang as a member of this group (CMS data updated October 2, 2026).

  • University of Penn - Medical Group3,505 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Pennsylvania →

Other hematologist-oncologists in Pennsylvania

Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.

All hematologist-oncologists in Pennsylvania →

Other clinicians in University of Penn - Medical Group

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

Clinician information

CredentialMD
Graduation year1999 (27 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1548360241
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