YOUYUAN XU M.D.
NPI 1447578984
Pathology - Anatomic Pathology & Clinical Pathology in Morristown, NJ

Q: What is Youyuan Xu's NPI number?

The NPI number for Youyuan Xu is 1447578984. It was assigned to this individual provider in the NPPES registry on May 7, 2010.

Q: What is Youyuan Xu's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for Youyuan Xu was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.

Active since May 07, 2010PECOS EnrolledAccepts Medicare Assignment

80.31/100

CMS Quality Rating

299 MADISON AVE, MORRISTOWN, NJ 07960(973) 971-5271(973) 290-7370 Get Directions Write a Review

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

Record update history: Sep 11, 2025, Apr 17, 2017 (2 updates tracked since 2017).

On this page

About Youyuan Xu M.d. NPPES

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

YOUYUAN XU M.D. (NPI 1447578984) is an individual anatomic pathology & clinical pathology provider in Morristown, New Jersey, licensed in New Jersey (25MA10205400) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS, is affiliated with Hunterdon Medical Center, and is a graduate of Other (1994).

NPPES Registry Identity

NPI1447578984

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameYOUYUAN XUCredential: M.D.

Location Address299 MADISON AVEMorristown, NJ 07960-6166

Mailing AddressPo Box 500Hackettstown, NJ 07840-0500 · (908) 979-1010 · Fax (908) 979-9934

Phone(973) 971-5271

Fax(973) 290-7370

Sole ProprietorYes

Medical School CMSOtherGraduated 1994

Enumeration DateMay 7, 2010

Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration

NPPES CertifiedJuly 22, 2025

✔ NPI 1447578984 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in NJ · 25MA10205400

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

299 MADISON AVE, Morristown, NJ 07960

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Other Identifiers 1

Medicaid04491012NY

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

Youyuan Xu 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 ID648560300

PECOS Enrollment IDI20190424001994

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

Medicare enrollment records show Youyuan Xu reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Morristown Pathology Associates, PA

0.7 mi

Anatomic Pathology & Clinical Pathology

100 MADISON AVE
Morristown, NJ 07960

Reassigned Medicare billing, New Jersey enrollment
27 clinicians in this Medicare group

NPI 1922075886 (973) 971-5612

Pathlink Of New Jersey

7.7 mi

Anatomic Pathology & Clinical Pathology

25 POCONO RD
Denville, NJ 07834

Reassigned Medicare billing, New Jersey enrollment
23 clinicians in this Medicare group

NPI 1538821327 (973) 429-6164

Princeton Pathology Services PA

15 mi

Anatomic Pathology & Clinical Pathology

111 CENTRAL AVE
Newark, NJ 07102

Reassigned Medicare billing, New Jersey enrollment
Medicare enrollment name: Mario Gonzalez, MD
20 clinicians in this Medicare group

NPI 1942498985 (407) 422-9831

Physicians Of University Hospital PC

22 mi

Allergy & Immunology

1042 HUGUENOT AVE
Staten Island, NY 10312

Reassigned Medicare billing, New York enrollment
530 clinicians in this Medicare group

NPI 1013368224 (718) 317-7556

Promed Pathology, LLC

28 mi

Anatomic Pathology & Clinical Pathology

2100 WESCOTT DRIVE, HUNTERDON MEDICAL CENTER PATHOLOGY
Flemington, NJ 08822

Reassigned Medicare billing, New Jersey enrollment
7 clinicians in this Medicare group

NPI 1336545508 (908) 788-6407

North Shore - Lij Medical PC

39 mi

Internal Medicine

270-05 76TH AVE
New Hyde Park, NY 11040

Reassigned Medicare billing, New York enrollment
9,353 clinicians in this Medicare group

NPI 1790043479 (516) 465-8089

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 21

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

599 services312 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

566 services106 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.

216 services117 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

192 services44 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

136 services119 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.

124 services107 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

114 services60 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

114 services55 patients

Special stained specimen slides to examine tissue, each multiplex procedure 88344

Special stained specimen slides are used to study tissue in detail. This multiplex procedure involves applying different dyes to the tissue sample on a slide to highlight specific elements. These colors help identify any abnormalities in the tissue, aiding in accurate diagnosis and treatment planning.

85 services34 patients

Pathology examination of specimen during surgery, first tissue block 88331

A pathology examination during surgery involves the immediate analysis of a removed tissue sample. This helps the surgeon make decisions during your operation. The "first tissue block" refers to the initial sample examined. It's a vital step to ensure your health.

75 services39 patients

Preparation of tissue for examination by removing any calcium present 88311

This procedure involves treating tissue samples to remove any calcium, which can interfere with the examination. The tissue is soaked in a special solution that safely dissolves the calcium, leaving the tissue intact for accurate analysis. This helps in making precise diagnoses.

66 services52 patients

Special stained specimen slides to examine tissue, initial procedure 88342

63 services50 patients

Preparation of tissue for examination by removing any calcium present 88311

57 services56 patients

Bone marrow, smear interpretation 85097

Bone marrow smear interpretation is a procedure where a small sample of your bone marrow is taken and examined under a microscope. This helps doctors identify any abnormal cells or signs of diseases such as anemia, leukemia, or infections. It's a crucial step in diagnosing various blood disorders.

56 services55 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.

48 services15 patients

Pathology examination of tissue using a microscope, high complexity 88309

A high complexity pathology examination involves studying body tissue under a microscope to identify any abnormalities. This intricate process helps in diagnosing various conditions and deciding on the best treatment plan.

45 services45 patients

Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method G0416

This procedure involves taking a small tissue sample from your gland located beneath your bladder. The sample is then examined under a microscope by a pathologist to check for any abnormalities or diseases. This is a standard method to ensure your well-being.

42 services42 patients

Microscopic genetic analysis of tumor, manual 88360

Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.

27 services24 patients

Pathology examination of tissue using a microscope 88302

A pathology examination of tissue involves studying a small sample of your body's cells under a microscope. This helps identify any abnormalities or diseases, such as cancer. The process is crucial for accurate diagnosis and treatment planning.

20 services20 patients

Protein measurement, serum 84165

A serum protein measurement is a blood test that determines the levels of proteins in your blood. It is used to evaluate your overall health, and diagnose nutritional problems, kidney disease, liver disease, or immune disorders.

15 services13 patients

Pathology examination of tissue using a microscope, limited examination 88300

A pathology examination of tissue using a microscope is a procedure where a small sample of your tissue is observed under a microscope. This limited examination helps identify any abnormal cells or signs of disease, aiding in accurate diagnosis and treatment planning.

13 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Hunterdon Medical Center

Acute Care Hospitals · Flemington, NJ

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310005

Location2100 Wescott DriveFlemington, NJ 08822 · Hunterdon County

Birthing friendly

Morristown Medical Center

Acute Care Hospitals · Morristown, NJ

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310015

Location100 Madison AveMorristown, NJ 07960 · Morris County

Emergency services Birthing friendly

Newton Medical Center

Acute Care Hospitals · Newton, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310028

Location175 High StNewton, NJ 07860 · Sussex County

Emergency services Birthing friendly

Overlook Medical Center

Acute Care Hospitals · Summit, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310051

Location99 Beauvoir AvenueSummit, NJ 07901 · Union County

Emergency services Birthing friendly

Hackettstown Medical Center

Acute Care Hospitals · Hackettstown, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310115

Location651 Willow Grove StHackettstown, NJ 07840 · Warren County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07960 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

$144.86 typical visit price

range $63.84 – $190.92

Typical copayment $36.21 (range $15.96 – $47.73)

Most-billed visit code 99204

Established Patient

$111.57 typical visit price

range $20.97 – $155.92

Typical copayment $27.89 (range $5.24 – $38.98)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

80.31/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

76.84

Improvement Activities

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.

NJ BARIATRIC INSTITUTE LLC

Internal Medicine (Obesity Medicine)

299 MADISON AVE
MORRISTOWN, NJ 07960

Morris County (860) 904-3096

DR. LISA ZHOU MD

Dermatology (Dermatopathology)

299 MADISON AVE
MORRISTOWN, NJ 07960

Morris County (908) 979-1010

AHS HOSPITAL CORP

Clinical Medical Laboratory

299 MADISON AVE
MORRISTOWN, NJ 07960

Morris County (973) 971-5271

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 Youyuan Xu's NPI number?

The NPI number for Youyuan Xu is 1447578984. It was assigned to this individual provider in the NPPES registry on May 7, 2010.

Where is Youyuan Xu located?

Youyuan Xu practices at 299 Madison Ave, Morristown, NJ 07960. The listed phone number is (973) 971-5271.

What is Youyuan Xu's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Youyuan Xu enrolled in Medicare?

Yes. Youyuan Xu 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 Youyuan Xu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Youyuan Xu reassigns Medicare benefits to 6 organizations: Morristown Pathology Associates, PA (Morristown, NJ), Pathlink Of New Jersey (Denville, NJ), Princeton Pathology Services PA (Newark, NJ), Physicians Of University Hospital PC (Staten Island, NY), Promed Pathology, LLC (Flemington, NJ) and 1 more organization, listed in the Medicare section above. 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 Youyuan Xu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Youyuan Xu affiliated with any hospitals?

According to CMS data, Youyuan Xu is affiliated with Hunterdon Medical Center, Morristown Medical Center, Newton Medical Center, Overlook Medical Center and Hackettstown Medical Center.

When was this NPI record last updated?

The NPPES record for Youyuan Xu was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.