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DR. XI FREDA GU M.D.
NPI 1831142843
Internal Medicine in New York, NY

Active since May 19, 2006PECOS EnrolledAccepts Medicare Assignment
15 ELIZABETH ST, RM. 301, NEW YORK, NY 10013(212) 274-1705(212) 274-1936 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Xi Freda Gu M.d. NPPES

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

DR. XI FREDA GU M.D. (NPI 1831142843) is an individual internal medicine provider in New York, New York, licensed in New York (203531) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and is a graduate of Other (1986).

NPPES Registry Identity

NPI1831142843
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. XI FREDA GUCredential: M.D.
Location Address15 ELIZABETH ST, RM. 301New York, NY 10013-4803
Mailing Address15 Elizabeth St, Rm. 301New York, NY 10013-4803 · (212) 274-1705 · Fax (212) 274-1936
Phone(212) 274-1705
Fax(212) 274-1936
Sole ProprietorNo
Medical School CMSOtherGraduated 1986
Enumeration DateMay 19, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1831142843 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 203531
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.
15 ELIZABETH ST, New York, NY 10013
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Other Identifiers 3

Medicare UPING33463NY
Medicare ID-Type Unspecified14N021NY
Medicaid01673569NY

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

Dr. Xi Freda Gu 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 ID547232621
PECOS Enrollment IDI20040810000067
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.

Areas of Expertise CMS Part B claims 10

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
816 services166 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
45 services45 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
44 services44 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.
42 services35 patients
Administration of pneumococcal vaccine G0009
The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.
21 services20 patients
Administration of hepatitis b vaccine G0010
The Hepatitis B vaccine is a preventive measure against the Hepatitis B virus. It is given as an injection into the muscle. The vaccine stimulates your body to produce antibodies, providing immunity against the virus. It's typically given in 3 doses over a 6-month period.
20 services14 patients

Hospital Affiliations CMS Care Compare

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

Nyu Langone Hospitals

Acute Care Hospitals · New York, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330214
Location550 First AvenueNew York, NY 10016 · New York County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 10013 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

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
6 suppliers11 claims32 services$6.62 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 3

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

EDWARD KYLE YU CORNICO PHARMD
Pharmacist
15 ELIZABETH ST
NEW YORK, NY 10013
New York County (212) 941-6480
CHINATOWN MEDICAL, PLLC
Internal Medicine
15 ELIZABETH ST, SUITE 310
NEW YORK, NY 10013
New York County (212) 219-2322
FAITH ZHAO MD
Internal Medicine
15 ELIZABETH ST, SUITE 310
NEW YORK, NY 10013
New York County (212) 219-2322

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 Xi Gu's NPI number?

The NPI number for Xi Gu is 1831142843. It was assigned to this individual provider in the NPPES registry on May 19, 2006.

Where is Xi Gu located?

Xi Gu practices at 15 Elizabeth St Rm. 301, New York, NY 10013. The listed phone number is (212) 274-1705.

What is Xi Gu's specialty?

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

Is Xi Gu enrolled in Medicare?

Yes. Xi Gu 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.

Is Xi Gu affiliated with any hospitals?

According to CMS data, Xi Gu is affiliated with Nyu Langone Hospitals.

When was this NPI record last updated?

The NPPES record for Xi Gu was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.