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DR. XIAOXI OUYANG MD
NPI 1649479064
Internal Medicine in Nashua, NH

Active since July 16, 2007PECOS EnrolledAccepts Medicare Assignment
154 BROAD ST STE 1510, NASHUA, NH 03063(617) 272-7057(949) 864-3519 Get Directions Write a Review

NPPES record last updated: August 19, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 15, 2020, Oct 1, 2018, Jan 11, 2018 and 1 more (4 updates tracked since 2017).

About Dr. Xiaoxi Ouyang Md NPPES

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

DR. XIAOXI OUYANG MD (NPI 1649479064) is an individual internal medicine provider in Nashua, New Hampshire, licensed in New Hampshire (16870) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS and is a graduate of Mcgill University Faculty Of Dentistry (2007).

NPPES Registry Identity

NPI1649479064
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. XIAOXI OUYANGCredential: MD
Location Address154 BROAD ST STE 1510Nashua, NH 03063-3207
Mailing Address154 Broad St Ste 1510Nashua, NH 03063-3207 · (617) 272-7057 · Fax (949) 864-3519
Phone(617) 272-7057
Fax(949) 864-3519
Sole ProprietorNo
Medical School CMSMcgill University Faculty Of DentistryGraduated 2007
Enumeration DateJuly 16, 2007
Last NPPES UpdateAugust 19, 20254 updates tracked since enumeration
NPPES CertifiedAugust 19, 2025
✔ NPI 1649479064 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NH · 16870
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.
154 BROAD ST STE 1510, Nashua, NH 03063
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Sheld, Anthem Blue Cross and Blue Shield.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

Dr. Xiaoxi Ouyang 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 ID3779803150
PECOS Enrollment IDI20250910002939
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 8

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 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.
196 services96 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.
33 services33 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
19 services19 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
18 services15 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
14 services14 patients
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.
13 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 03063 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
$132.09 typical visit price
range $57.75 – $174.26
Typical copayment $33.02 (range $14.43 – $43.56)
Most-billed visit code 99204
Established Patient
$101.54 typical visit price
range $18.70 – $142.15
Typical copayment $25.38 (range $4.67 – $35.53)
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

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

SERENITY MEDICAL WEIGHT LOSS CLINIC LLC
Internal Medicine
154 BROAD ST STE 1510
NASHUA, NH 03063
Hillsborough County (617) 272-7057

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 Xiaoxi Ouyang's NPI number?

The NPI number for Xiaoxi Ouyang is 1649479064. It was assigned to this individual provider in the NPPES registry on July 16, 2007.

Where is Xiaoxi Ouyang located?

Xiaoxi Ouyang practices at 154 Broad St Ste 1510, Nashua, NH 03063. The listed phone number is (617) 272-7057.

What is Xiaoxi Ouyang's specialty?

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

Is Xiaoxi Ouyang enrolled in Medicare?

Yes. Xiaoxi Ouyang 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 Xiaoxi Ouyang accept?

Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Sheld and Anthem Blue Cross and Blue Shield list Xiaoxi Ouyang 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.

When was this NPI record last updated?

The NPPES record for Xiaoxi Ouyang was last updated on August 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.