Are you Margaret Z. Tsien, M.D.? This profile is yours to edit: update your address, phone, photo and services.

Edit this profile

Physician Profile

Margaret Z. Tsien, M.D.

Is this you? Edit this profile

At a glance

About Dr. Tsien

Margaret Z. Tsien, M.D. is a hospitalist based in Chicago, IL. Margaret is a 2010 graduate of University of Maryland School of Medicine. Margaret is also listed as specializing in internal medicine and pediatrics. According to Medicare claims data, Margaret cared for 34 Medicare patients across 83 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes. The provider's National Provider Identifier (NPI) is 1124349550.

Factual summary compiled by Guide.md from public records; not written by this provider.

Specialty

Hospitalist (Primary)
Internal Medicine (Additional)
Pediatrics (Additional)

Credentials & Licensing

IL licenceAs reported to the NPI registry
No. 125.057854As reported
IL licenceAs reported to the NPI registry
No. 036134867As reported
NPINational Provider Identifier
1124349550Issued 2010

As reported to the NPI registry ↗

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What does Margaret Z. Tsien specialize in?

Margaret Z. Tsien is a hospitalist in Chicago, IL. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Margaret Z. Tsien located?

Margaret Z. Tsien is listed at 5841 S Maryland Ave Ste Mc7082 Medpeds Residency Program, Chicago, IL 60637. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Margaret Z. Tsien's phone number?

The number on file is (773) 702-6840. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Margaret Z. Tsien's NPI number?

Margaret Z. Tsien's National Provider Identifier is 1124349550. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Where did Margaret Z. Tsien train?

Margaret Z. Tsien attended University of Maryland School of Medicine, graduating in 2010. This comes from the CMS National Downloadable File.

CMS public data

How long has Margaret Z. Tsien been practicing?

Margaret Z. Tsien has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.

CMS public data

What does Margaret Z. Tsien do most often?

According to Medicare billing data, Margaret Z. Tsien the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Margaret Z. Tsien confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Margaret Z. Tsien. If this is you, claiming it is free.

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.

A GigHz company · Founder: Pouyan Golshani, MD