SIYUAN CAO
NPI 1871958223
Internal Medicine in New York, NY

Active since December 29, 2015PECOS EnrolledAccepts Medicare Assignment
550 1ST AVE, NEW YORK, NY 10016(212) 263-5506 Get Directions Write a Review

NPPES record last updated: June 30, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 30, 2021, May 16, 2018, Dec 29, 2015 (3 updates tracked since 2015).

About Siyuan Cao NPPES

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

SIYUAN CAO (NPI 1871958223) is an individual internal medicine provider in New York, New York, licensed in New York (308878) and active in the NPI registry since December 2015. She is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and is a graduate of Johns Hopkins University School Of Medicine (2018).

NPPES Registry Identity

NPI1871958223
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameSIYUAN CAO
Location Address550 1ST AVENew York, NY 10016
Mailing Address550 1st AveNew York, NY 10016-6402 · (212) 263-5506
Sole ProprietorNo
Medical School CMSJohns Hopkins University School Of MedicineGraduated 2018
Enumeration DateDecember 29, 2015
Last NPPES UpdateJune 30, 20213 updates tracked since enumeration
NPPES CertifiedJune 30, 2021
NPI 1871958223 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in NY · 308878
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License S94155505 (MA)
550 1ST AVE, New York, NY 10016

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Siyuan Cao 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 ID42559882
PECOS Enrollment IDI20250819000000
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.

Hospital Affiliations CMS Care Compare 3

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

Boston Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220031
Location1 Boston Medical Center PlaceBoston, MA 02118 · Suffolk County
Emergency services Birthing friendly

St Elizabeth's Medical Center

Acute Care Hospitals · Brighton, MA
2/5 CMS rating
OwnershipProprietary
CMS Certification Number220036
Location736 Cambridge StreetBrighton, MA 02135 · Suffolk County
Emergency services Birthing friendly

Good Samaritan Medical Center

Acute Care Hospitals · Brockton, MA
2/5 CMS rating
OwnershipProprietary
CMS Certification Number220111
Location235 North Pearl StreetBrockton, MA 02301 · Plymouth County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10016 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
$150.24 typical visit price
range $65.69 – $198.19
Typical copayment $37.56 (range $16.42 – $49.54)
Most-billed visit code 99204
Established Patient
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier27 claims27 services$61.46 avg. paid by Medicare
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738
DME-Oxygen and Supplies · category DC000N
1 supplier19 claims19 services$34.76 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Internal Medicine
550 1ST AVE
NEW YORK, NY 10016
Emergency Medicine (Pediatric Emergency Medicine)
550 1ST AVE
NEW YORK, NY 10016
Allergy & Immunology
550 1ST AVE, NBV 16N30, INTERNAL MEDICINE RESIDENCY PROGRAM
NEW YORK, NY 10016
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016
Radiology (Vascular & Interventional Radiology)
550 1ST AVE
NEW YORK, NY 10016
Surgery
550 1ST AVE
NEW YORK, NY 10016
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016
Student in an Organized Health Care Education/Training Program
550 1ST AVE
NEW YORK, NY 10016

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 Siyuan Cao's NPI number?

The NPI number for Siyuan Cao is 1871958223. It was assigned to this individual provider in the NPPES registry on December 29, 2015.

Where is Siyuan Cao located?

Siyuan Cao practices at 550 1st Ave, New York, NY 10016. The listed phone number is (212) 263-5506.

What is Siyuan Cao's specialty?

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

Is Siyuan Cao enrolled in Medicare?

Yes. Siyuan Cao 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.

What insurance does Siyuan Cao accept?

Health plans from Anthem Blue Cross and Blue Shield list Siyuan Cao as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Siyuan Cao affiliated with any hospitals?

According to CMS data, Siyuan Cao is affiliated with Boston Medical Center, St Elizabeth's Medical Center and Good Samaritan Medical Center.

When was this NPI record last updated?

The NPPES record for Siyuan Cao was last updated on June 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.