DR. JEFF CHUNG M.D.
NPI 1083684088
Internal Medicine - Rheumatology in Emerson, NJ

Q: What is Jeff Chung's NPI number?

The NPI number for Jeff Chung is 1083684088. It was assigned to this individual provider in the NPPES registry on January 24, 2006.

Q: What is Jeff Chung's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Q: When was this NPI record last updated?

The NPPES record for Jeff Chung was last updated on December 11, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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 January 24, 2006PECOS EnrolledAccepts Medicare Assignment

94.95/100

CMS Quality Rating

466 OLD HOOK RD, EMERSON, NJ 07630(201) 967-8221(201) 634-9647 Get Directions Write a Review

NPPES record last updated: December 11, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Jeff Chung M.d. NPPES

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

DR. JEFF CHUNG M.D. (NPI 1083684088) is an individual rheumatology provider in Emerson, New Jersey, licensed in New Jersey (25MA07780800) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Holy Name Medical Center, and is a graduate of State University Of New York Downstate Medical Center (1998).

NPPES Registry Identity

NPI1083684088

Entity TypeIndividualMale

Primary Taxonomy207RR0500X

Provider Legal NameDR. JEFF CHUNGCredential: M.D.

Location Address466 OLD HOOK RDEmerson, NJ 07630-1377

Mailing Address466 Old Hook RdEmerson, NJ 07630-1377 · (201) 967-8221 · Fax (201) 634-9647

Phone(201) 967-8221

Fax(201) 634-9647

Sole ProprietorNo

Medical School CMSState University Of New York Downstate Medical CenterGraduated 1998

Enumeration DateJanuary 24, 2006

Last NPPES UpdateDecember 11, 2012

✔ NPI 1083684088 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in NJ · 25MA07780800

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

466 OLD HOOK RD, Emerson, NJ 07630

Open in Google Maps ↗

Other Identifiers 3

Medicare UPINI18999NJ

Medicare OSCAR/certification084441YQJNJ

Medicaid0174629NJ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

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. Jeff Chung 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 ID345201166

PECOS Enrollment IDI20041025000353

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

Premier Medical Alliance LLC

Same address

Gastroenterology

466 OLD HOOK ROAD, SUITE 1
Emerson, NJ 07630

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

NPI 1093142895 (201) 967-8221

Mpv New Jersey MD Services PC

0.5 mi

General Practice

250 OLD HOOK RD
Westwood, NJ 07675

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

NPI 1215391271 (201) 781-1387

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 18

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.

Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) J0717

Certolizumab pegol is a medication injected under a doctor's supervision. It's used to treat certain inflammatory conditions like rheumatoid arthritis. The injection helps reduce symptoms like pain and swelling. Note that this drug isn't for self-administration.

57,600 services16 patients

Injection, romosozumab-aqqg, 1 mg J3111

Romosozumab-aqqg is a medication given by injection to treat osteoporosis in patients at high risk for fractures. It works by increasing bone mass and strength, reducing the risk of fractures.

11,130 services12 patients

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

6,360 services66 patients

Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg J7325

Synvisc or Synvisc-One is a treatment involving an injection of a substance called hyaluronan into your joints. This substance, naturally found in the body, helps lubricate and cushion your joints, reducing pain and improving mobility. It's often used for arthritis patients.

2,384 services22 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.

622 services301 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

377 services90 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

229 services68 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.

192 services136 patients

Injection, ketorolac tromethamine, per 15 mg J1885

Ketorolac tromethamine is a medication administered through injection, often used to manage moderate to severe pain. Each 15 mg dose helps to reduce hormones causing inflammation and pain in the body. It is not recommended for long-term use.

82 services23 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.

72 services58 patients

Injection, methylprednisolone acetate, 40 mg J1030

Methylprednisolone acetate is a medication given through an injection. It's a type of corticosteroid, which reduces inflammation and immune responses. It can be used to treat various conditions like arthritis, allergies, and skin diseases. This dose is 40 mg.

67 services23 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

37 services37 patients

Injection into tendon at attachment to bone or muscle 20551

This procedure involves injecting medicine into a tendon where it attaches to bone or muscle. It's done to alleviate pain or inflammation. The injection may contain a local anesthetic or a corticosteroid to reduce swelling. It's a common treatment for various orthopedic conditions.

33 services16 patients

Injection, methylprednisolone acetate, 80 mg J1040

Methylprednisolone acetate is a strong anti-inflammatory medication. It is often given as an 80 mg injection to reduce inflammation and pain. It's commonly used for conditions like arthritis, allergic disorders, or other inflammatory diseases.

33 services22 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

26 services26 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.

19 services19 patients

Influenza vaccine, inactivated 90653

The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.

16 services16 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

Hospital Affiliations CMS Care Compare 4

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

Holy Name Medical Center

Acute Care Hospitals · Teaneck, NJ

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310008

Location718 Teaneck RdTeaneck, NJ 07666 · Bergen County

Emergency services Birthing friendly

Valley Hospital

Acute Care Hospitals · Paramus, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310012

Location4 Valley Health PlazaParamus, NJ 07652 · Bergen County

Emergency services Birthing friendly

Englewood Hospital And Medical Center

Acute Care Hospitals · Englewood, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310045

Location350 Engle StEnglewood, NJ 07631 · Bergen County

Emergency services Birthing friendly

Hackensack Meridian Health Pascack Valley Medical

Acute Care Hospitals · Westwood, NJ

4/5 CMS rating

OwnershipProprietary

CMS Certification Number310130

Location250 Old Hook RoadWestwood, NJ 07675 · Bergen County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07630 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.

94.95/100

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

Scored through an Alternative Payment Model

Quality

87.26

Promoting Interoperability

100

Improvement Activities

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.

DR. HOLLY CULLEN M.D.

Internal Medicine (Gastroenterology)

466 OLD HOOK RD, SUITE 1
EMERSON, NJ 07630

Bergen County (201) 967-8221

MR. JAY GREENSPAN PT

Specialist

466 OLD HOOK RD, SUITE 16
EMERSON, NJ 07630

Bergen County (201) 634-1811

DR. ROBERT H PITTMAN MD

Internal Medicine (Gastroenterology)

466 OLD HOOK RD, SUITE 1
EMERSON, NJ 07630

Bergen County (201) 967-8221

DR. ARI BEN-YISHAY MD

Specialist

466 OLD HOOK RD, SUITE 16
EMERSON, NJ 07630

Bergen County (201) 634-1811

DR. JEFFREY S. KIM M.D.

Internal Medicine (Pulmonary Disease)

466 OLD HOOK RD, SUITE 26
EMERSON, NJ 07630

Bergen County (201) 261-0821

FRANK LOUIS MASTRIANNO MD

Internal Medicine

466 OLD HOOK RD, STE #38
EMERSON, NJ 07630

Bergen County (201) 262-0333

DR. DEBORA K GELLER MD

Allergy & Immunology

466 OLD HOOK RD
EMERSON, NJ 07630

Bergen County (201) 649-8100

NOMAAN ASHRAF MD

Orthopaedic Surgery (Orthopaedic Surgery of the Spine)

466 OLD HOOK RD, SUITE 16
EMERSON, NJ 07630

Bergen County (201) 634-1811

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 Jeff Chung's NPI number?

The NPI number for Jeff Chung is 1083684088. It was assigned to this individual provider in the NPPES registry on January 24, 2006.

Where is Jeff Chung located?

Jeff Chung practices at 466 Old Hook Rd, Emerson, NJ 07630. The listed phone number is (201) 967-8221.

What is Jeff Chung's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Jeff Chung enrolled in Medicare?

Yes. Jeff Chung 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 Jeff Chung's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jeff Chung reassigns Medicare benefits to 2 organizations: Premier Medical Alliance LLC (Emerson, NJ) and Mpv New Jersey MD Services PC (Westwood, 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 Jeff Chung's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jeff Chung accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Jeff Chung 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.

Is Jeff Chung affiliated with any hospitals?

According to CMS data, Jeff Chung is affiliated with Holy Name Medical Center, Valley Hospital, Englewood Hospital And Medical Center and Hackensack Meridian Health Pascack Valley Medical.

When was this NPI record last updated?

The NPPES record for Jeff Chung was last updated on December 11, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.