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Allergy/Immunology

Lily Pien, MD

Works at hospitals in Cleveland, OH · Ohio

Summary

Lily Pien, MD (Allergy/Immunology) is listed by Medicare at 1 hospital in Cleveland, OH. NPI 1225093925. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Lily Pien, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Allergy/ImmunologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
43Years since medical school (graduated 1983)
Northwestern University Feinberg Medical SchoolMedical school
FemaleGender (as listed)
Cleveland ClinicGroup practice

Quick answers

Which hospitals does Lily Pien work at?
Medicare's official clinician data lists Lily Pien at 1 hospital: Cleveland Clinic. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Lily Pien see patients?
Medicare's clinician data lists 1 practice location in Cleveland, OH. Call before your visit to confirm the address.
What is Lily Pien's specialty?
Medicare lists Allergy/Immunology as the primary specialty.
Does Lily Pien accept Medicare assignment?
Yes. Medicare's clinician data says Lily Pien accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Lily Pien offer telehealth?
Medicare's clinician data says Lily Pien offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Lily Pien?
(216) 444-2200, as listed in official Medicare / NPI Registry data.
What is Lily Pien's NPI number?
1225093925. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Lily Pien works

Medicare's Facility Affiliation Data lists Lily Pien at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Lily Pien is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Lily Pien as a member of this group (CMS data updated 2026-10-02).

  • Cleveland Clinic7,090 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in Ohio →

Other allergist and immunologists in Cleveland

Clinicians with the same Medicare primary specialty in Cleveland, OH — not a recommendation.

All allergist and immunologists in Cleveland →

Clinician information

CredentialMD
Medical schoolNorthwestern University Feinberg Medical School
Graduation year1983
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1225093925
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians