DR. STEVE GUO M.D.
NPI 1700319290
Internal Medicine - Cardiovascular Disease in Bronx, NY

Active since April 11, 2017PECOS EnrolledAccepts Medicare Assignment
111 E 210TH ST, BRONX, NY 10467(718) 920-4321 Get Directions Write a Review

NPPES record last updated: August 11, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 11, 2025, Apr 11, 2017 (2 updates tracked since 2017).

About Dr. Steve Guo M.d. NPPES

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

DR. STEVE GUO M.D. (NPI 1700319290) is an individual cardiovascular disease provider in Bronx, New York, licensed in New York (304082) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS, is affiliated with Northern Westchester Hospital, and is a graduate of New York Medical College (2017).

NPPES Registry Identity

NPI1700319290
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. STEVE GUOCredential: M.D.
Location Address111 E 210TH STBronx, NY 10467-2401
Mailing Address111 E 210th StBronx, NY 10467-2401
Sole ProprietorYes
Medical School CMSNew York Medical CollegeGraduated 2017
Enumeration DateApril 11, 2017
Last NPPES UpdateAugust 11, 20252 updates tracked since enumeration
NPPES CertifiedAugust 11, 2025
✔ NPI 1700319290 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in NY · 304082
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
111 E 210TH ST, Bronx, NY 10467

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. Steve Guo M.d. 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 ID8426417783
PECOS Enrollment IDI20230705000430
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 Reassignments

2

Medicare enrollment records show Steve Guo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Urology
1010 NORTHERN BLVD STE 110
Great Neck, NY 11021
  • Reassigned Medicare billing, New York enrollment
  • 9,353 clinicians in this Medicare group
Cardiovascular Disease
90 SOUTH BEDFORD RD, MT KISCO MEDICAL GROUP PC
Mount Kisco, NY 10549
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Optum Medical Care PC
  • 1,601 clinicians in this Medicare group

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

Areas of Expertise CMS Part B claims 23

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
856 services569 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
598 services440 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
369 services359 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
236 services170 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
200 services177 patients
Nuclear medicine studies of heart muscle at rest and with stress and spect 78452
Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.
134 services134 patients

Hospital Affiliations CMS Care Compare

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

Northern Westchester Hospital

Acute Care Hospitals · Mount Kisco, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330162
Location400 East Main StreetMount Kisco, NY 10549 · Westchester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10467 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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
Most-billed visit code 99213
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.

Internal Medicine (Infectious Disease)
111 E 210TH ST
BRONX, NY 10467
Radiology (Diagnostic Neuroimaging)
111 E 210TH ST
BRONX, NY 10467
Psychiatry & Neurology (Neurology)
111 E 210TH ST
BRONX, NY 10467
Pediatrics
111 E 210TH ST
BRONX, NY 10467
Nurse Practitioner (Family)
111 E 210TH ST
BRONX, NY 10467
Anesthesiology
111 E 210TH ST
BRONX, NY 10467
Student in an Organized Health Care Education/Training Program
111 E 210TH ST
BRONX, NY 10467
Pediatrics
111 E 210TH ST
BRONX, NY 10467

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 Steve Guo's NPI number?

The NPI number for Steve Guo is 1700319290. It was assigned to this individual provider in the NPPES registry on April 11, 2017.

Where is Steve Guo located?

Steve Guo practices at 111 E 210th St, Bronx, NY 10467. The listed phone number is (718) 920-4321.

What is Steve Guo's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Steve Guo enrolled in Medicare?

Yes. Steve Guo 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 organizations bill Medicare for Steve Guo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Steve Guo reassigns Medicare benefits to 2 organizations: North Shore-Lij Medical PC (Great Neck, NY) and Optum Medical Care, P.C. (Mount Kisco, NY). Each 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 Steve Guo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Steve Guo affiliated with any hospitals?

According to CMS data, Steve Guo is affiliated with Northern Westchester Hospital.

When was this NPI record last updated?

The NPPES record for Steve Guo was last updated on August 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.