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DR. ETHAN ZHAO MD
NPI 1508560533
Internal Medicine in Philadelphia, PA

Active since March 27, 2023PECOS EnrolledAccepts Medicare Assignment
51 NORTH 39TH STREET, PHILADELPHIA, PA 19104(215) 662-9436 Get Directions Write a Review

NPPES record last updated: August 26, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 26, 2026, Mar 27, 2023 (2 updates tracked since 2023).

About Dr. Ethan Zhao Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ETHAN ZHAO MD (NPI 1508560533) is an individual internal medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD493848) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS, is affiliated with Hospital Of Univ Of Pennsylvania, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1508560533
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ETHAN ZHAOCredential: MD
Location Address51 NORTH 39TH STREETPhiladelphia, PA 19104-2640
Mailing Address51 North 39th StreetPhiladelphia, PA 19104-2640 · (215) 662-9436
Phone(215) 662-9436
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateMarch 27, 2023
Last NPPES UpdateAugust 26, 20262 updates tracked since enumeration
NPPES CertifiedAugust 26, 2026
✔ NPI 1508560533 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in PA · MD493848
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
51 NORTH 39TH STREET, Philadelphia, PA 19104
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ethan Zhao Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3971068552
PECOS Enrollment IDI20260723004788
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Ethan Zhao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Penn-Medical Group
0.1 mi
Internal Medicine
51 N 39TH ST
Philadelphia, PA 19104
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 752 clinicians in this Medicare group
NPI 1386751089 (215) 662-8000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hospital Of Univ Of Pennsylvania

Acute Care Hospitals · Philadelphia, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390111
Location34th & Spruce StsPhiladelphia, PA 19104 · Philadelphia County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19104 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.17 typical visit price
range $59.88 – $180.99
Typical copayment $34.29 (range $14.97 – $45.24)
Most-billed visit code 99204
Established Patient
$105.21 typical visit price
range $19.30 – $147.29
Typical copayment $26.30 (range $4.82 – $36.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KEVIN M FOSNOCHT MD
Internal Medicine
51 NORTH 39TH STREET, MAB, SUITE 102
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-9990
ALAN D ASKENASE MD
Internal Medicine (Cardiovascular Disease)
51 NORTH 39TH STREET, 4 PHI
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-9189
RICHARD L WEISS MD
Internal Medicine (Cardiovascular Disease)
51 NORTH 39TH STREET, 4 PHI
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-9189
MS. PINKI BHUPENDRA PATEL CRNP
Nurse Practitioner (Family)
51 NORTH 39TH STREET
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-9595
JUSTIN TYLER FRISENDA DO
Surgery (Trauma Surgery)
51 NORTH 39TH STREET, MEDICAL OFFICE BUILDING, 1ST FLOOR, SUITE 120
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-7320
DR. DARREN R. LINKIN MD
Internal Medicine (Infectious Disease)
51 NORTH 39TH STREET, 3910 BUILDING, 2ND FLOOR
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-9990
CHRISTINE M. MIHOK CRNA
Nurse Anesthetist, Certified Registered
51 NORTH 39TH STREET, 223 WRIGHT SAUNDERS
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-8244
GENE CHANG MD
Internal Medicine (Interventional Cardiology)
51 NORTH 39TH STREET, 4 PHI
PHILADELPHIA, PA 19104
Philadelphia County (215) 662-9189

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ethan Zhao's NPI number?

The NPI number for Ethan Zhao is 1508560533. It was assigned to this individual provider in the NPPES registry on March 27, 2023.

Where is Ethan Zhao located?

Ethan Zhao practices at 51 North 39th Street, Philadelphia, PA 19104. The listed phone number is (215) 662-9436.

What is Ethan Zhao's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Ethan Zhao enrolled in Medicare?

Yes. Ethan Zhao is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Ethan Zhao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ethan Zhao reassigns Medicare benefits to University Of Penn-Medical Group (Philadelphia, PA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ethan Zhao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Ethan Zhao affiliated with any hospitals?

According to CMS data, Ethan Zhao is affiliated with Hospital Of Univ Of Pennsylvania.

When was this NPI record last updated?

The NPPES record for Ethan Zhao was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.