Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

YIJUN GUO MD
NPI 1215924170
Pathology - Clinical Pathology/Laboratory Medicine in Whippany, NJ

Q: What is Yijun Guo's NPI number?

The NPI number for Yijun Guo is 1215924170. It was assigned to this individual provider in the NPPES registry on October 5, 2005.

Q: What is Yijun Guo's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.

Q: When was this NPI record last updated?

The NPPES record for Yijun Guo was last updated on October 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days 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 October 05, 2005PECOS EnrolledAccepts Medicare Assignment

0/100

CMS Quality Rating

16 EDEN LN, WHIPPANY, NJ 07981(732) 390-7750 Get Directions Write a Review

NPPES record last updated: October 9, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Yijun Guo Md NPPES

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

YIJUN GUO MD (NPI 1215924170) is an individual clinical pathology/laboratory medicine provider in Whippany, New Jersey, licensed in New Jersey (25MF00094800) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Wilkes-barre, and is a graduate of Other (1986).

NPPES Registry Identity

NPI1215924170

Entity TypeIndividualMale

Primary Taxonomy207ZP0105X

Provider Legal NameYIJUN GUOCredential: MD

Location Address16 EDEN LNWhippany, NJ 07981-1402

Mailing Address629 Cranbury Rd Fl 2East Brunswick, NJ 08816-4096 · (732) 390-7750

Phone(732) 390-7750

Sole ProprietorNo

Medical School CMSOtherGraduated 1986

Enumeration DateOctober 5, 2005

Last NPPES UpdateOctober 9, 2026

NPPES CertifiedOctober 9, 2026

✔ NPI 1215924170 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Clinical Pathology/Laboratory MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0105X

Licenses✔ Licensed in NJ · 25MF00094800✔ Licensed in PA · MD427575

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.

16 EDEN LN, Whippany, NJ 07981

Open in Google Maps ↗

Secondary Practice Location 1

Location 1N River & Auburn StWilkes-Barre, PA 18701 · Phone (570) 829-8111

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

Yijun Guo 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 ID3173588027

PECOS Enrollment IDI20080528000539

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

Garden State Urology LLC

Same address

Urology

16 EDEN LN
Whippany, NJ 07981

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

NPI 1629231766 (973) 240-2181

Titan Health Partners LLC

28 mi

Hematology & Oncology

629 CRANBURY RD FL 2
East Brunswick, NJ 08816

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

NPI 1790396281 (732) 390-7750

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 17

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.

Detection test by nucleic acid for organism, amplified probe technique 87798

A nucleic acid detection test is a procedure to identify specific organisms in your body. This test uses an amplified probe technique, which magnifies the genetic material of the organism, making it easier to detect. It's a precise way to diagnose infections.

12,935 services861 patients

Detection test for candida species (yeast), amplified probe technique 87481

This test helps identify Candida, a type of fungus often present in the human body. An amplified probe technique is used, which enhances detection of the fungus in a sample. This method increases the accuracy of the test, helping to determine the best treatment.

3,979 services861 patients

Cell examination of specimen, selective cellular enhancement technique 88112

Cell examination of a specimen using selective cellular enhancement technique is a lab process that improves the visibility of certain cells in a sample. It helps in identifying abnormalities or diseases. The process is non-invasive, safe, and aids in accurate diagnosis.

2,159 services1,844 patients

Detection test by nucleic acid for mycobacteria tuberculosis (tb bacteria), amplified probe technique 87556

A detection test by nucleic acid for Mycobacteria Tuberculosis, using an amplified probe technique, is a diagnostic test for TB. It identifies the TB bacteria's genetic material in your body. It's fast, highly accurate, and can confirm TB presence even in small samples.

995 services861 patients

Detection test by nucleic acid for staphylococcus aureus (bacteria), amplified probe technique 87640

A detection test for Staphylococcus aureus uses a method called the amplified probe technique. This method identifies the bacteria's unique genetic material, or nucleic acid, helping to confirm its presence. It's a highly accurate way to detect this type of bacteria.

995 services861 patients

Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique 87651

This test detects Group A Streptococcus bacteria in your body. It uses an amplified probe technique, which amplifies the bacteria's nucleic acid, making it easier to identify. This test helps diagnose conditions like strep throat or scarlet fever.

995 services861 patients

Detection test by nucleic acid for strep (streptococcus, group b), amplified probe technique 87653

A detection test by nucleic acid for Group B Strep uses an amplified probe technique. This test identifies the presence of Group B Strep bacteria in the body. It involves collecting a sample, usually a swab, which is then examined in a lab for the bacteria's genetic material.

995 services861 patients

Detection of mycoplasma genitalium by dna or rna probe 87563

This procedure involves the use of special probes to identify the presence of a specific bacteria, Mycoplasma Genitalium, in your body. These probes detect the bacteria's unique DNA or RNA, helping to confirm if you have an infection.

990 services859 patients

Detection test by nucleic acid for staphylococcus aureus, methicillin resistant (mrsa bacteria), amplified probe technique 87641

A detection test by nucleic acid for MRSA bacteria uses an amplified probe technique. It's a lab procedure that identifies the presence of MRSA, a type of bacteria resistant to many antibiotics. This test helps in deciding the best treatment.

601 services535 patients

Detection test by nucleic acid for vancomycin resistance strep (vre), amplified probe technique 87500

The detection test by nucleic acid for vancomycin-resistant strep (VRE) is a laboratory procedure. It uses an amplified probe technique to identify specific genetic material in bacteria. This helps determine if the bacteria are resistant to the antibiotic vancomycin.

598 services532 patients

Detection test for gardnerella vaginalis (bacteria), amplified probe technique 87511

This test helps find a specific type of bacteria in the body. It uses a method called the amplified probe technique, which amplifies the bacteria's genetic material, making it easier to detect. It's a standard, pain-free procedure.

454 services392 patients

Cell examination of urine, manual 88120

A cell examination of urine, manually done, is a lab test where your urine is studied under a microscope. This helps identify any abnormal cells or substances in your urine, like bacteria or crystals, that could indicate health issues. It's a simple, non-invasive procedure.

285 services214 patients

Detection test by nucleic acid for chlamydia trachomatis, amplified probe technique 87491

A detection test by nucleic acid for chlamydia trachomatis, amplified probe technique, is a test that identifies the presence of a specific bacteria in the body. This bacteria can cause various health issues. The technique amplifies the sample to improve accuracy.

153 services139 patients

Detection test by nucleic acid for cytomegalovirus (cmv), amplified probe technique 87496

A detection test by nucleic acid for cytomegalovirus (CMV) using an amplified probe technique is a lab procedure. It identifies the presence of CMV, a common virus, in your body. This technique amplifies the virus's genetic material, making it easier to detect.

153 services139 patients

Detection test by nucleic acid for herpes virus-6, amplified probe technique 87532

A detection test by nucleic acid for herpes virus-6, amplified probe technique, is a lab procedure that identifies the presence of herpes virus-6 in your body. It does this by amplifying and detecting the virus's genetic material, aiding in accurate diagnosis and treatment planning.

153 services139 patients

Detection test by nucleic acid for neisseria gonorrhoeae (gonorrhoeae bacteria), amplified probe technique 87591

This is a lab test that checks for the presence of a specific bacteria called Neisseria gonorrhoeae in your body. It uses a technique called amplified probe, which makes many copies of the bacteria's genetic material (nucleic acid) to help detect it more easily.

153 services139 patients

Detection test by nucleic acid for trichomonas vaginalis (genital parasite), amplified probe technique 87661

This is a test to identify a common microscopic organism that can cause discomfort. The technique involves using a special probe to amplify the organism's genetic material, making it easier to detect. It's a simple, safe, and accurate procedure.

153 services139 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07981 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.

0/100

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

Individually scored

Quality

Improvement Activities

Other Providers at the Same Location NPPES 4

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

TITAN HEALTH PARTNERS LLC

Urology

16 EDEN LN
WHIPPANY, NJ 07981

Morris County (973) 240-3000

DR. ANDREW IRA ZABLOW MD

Radiology (Therapeutic Radiology)

16 EDEN LN
WHIPPANY, NJ 07981

Morris County (973) 206-8282

GARDEN STATE UROLOGY LLC

Urology

16 EDEN LN
WHIPPANY, NJ 07981

Morris County (973) 240-2181

MS. REGINA E DOHERTY N.P.

Nurse Practitioner

16 EDEN LN
WHIPPANY, NJ 07981

Morris County (973) 240-3000

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 Yijun Guo's NPI number?

The NPI number for Yijun Guo is 1215924170. It was assigned to this individual provider in the NPPES registry on October 5, 2005.

Where is Yijun Guo located?

Yijun Guo practices at 16 Eden Ln, Whippany, NJ 07981. The listed phone number is (732) 390-7750.

What is Yijun Guo's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.

Is Yijun Guo enrolled in Medicare?

Yes. Yijun 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 Yijun Guo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Yijun Guo reassigns Medicare benefits to 2 organizations: Garden State Urology LLC (Whippany, NJ) and Titan Health Partners LLC (East Brunswick, NJ). 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 Yijun Guo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Yijun Guo was last updated on October 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days 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.