FRANCES Y CHANG MD
NPI 1316996960
Internal Medicine in Princeton, NJ

Q: What is Frances Chang's NPI number?

The NPI number for Frances Chang is 1316996960. It was assigned to this individual provider in the NPPES registry on May 10, 2006.

Q: What is Frances Chang's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Frances Chang was last updated on December 20, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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 May 10, 2006PECOS EnrolledAccepts Medicare Assignment

419 N HARRISON ST, SUITE 201, PRINCETON, NJ 08540(609) 924-9300(609) 430-9481 Get Directions Write a Review

NPPES record last updated: December 20, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 20, 2016, Dec 15, 2016, Oct 14, 2016 (3 updates tracked since 2016).

On this page

About Frances Y Chang Md NPPES

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

FRANCES Y CHANG MD (NPI 1316996960) is an individual internal medicine provider in Princeton, New Jersey, licensed in New Jersey (25MA07204300) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with University Medical Center Of Princeton At Plainsboro, and is a graduate of State University Of New York At Stony Brook, School Of Medicine (1999).

NPPES Registry Identity

NPI1316996960

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameFRANCES Y CHANGCredential: MD

Location Address419 N HARRISON ST, SUITE 201Princeton, NJ 08540-3521

Mailing Address419 N Harrison St, Suite 201Princeton, NJ 08540-3521 · (609) 924-9300

Phone(609) 924-9300

Fax(609) 430-9481

Sole ProprietorNo

Medical School CMSState University Of New York At Stony Brook, School Of MedicineGraduated 1999

Enumeration DateMay 10, 2006

Last NPPES UpdateDecember 20, 20163 updates tracked since enumeration

✔ NPI 1316996960 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in NJ · 25MA07204300

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.

419 N HARRISON ST, Princeton, NJ 08540

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Other Identifiers 3

Medicare PIN073817NJ

Medicare UPINH95508NJ

Medicaid0008648NJ

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

Frances Y Chang 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 ID8022920552

PECOS Enrollment IDI20031104000102

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 Reassignment

Medicare enrollment records show Frances Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Princeton Medical Group,p.A.

Same address

Internal Medicine

419 N HARRISON ST, SUITE 203
Princeton, NJ 08540

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

NPI 1063513679 (609) 924-9300

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 26

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, 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.

3,300 services32 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.

606 services356 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.

351 services227 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.

334 services334 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.

319 services211 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

251 services201 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

222 services189 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.

212 services162 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

208 services175 patients

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

172 services169 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

167 services163 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

115 services113 patients

Blood test, basic group of blood chemicals (calcium, total) 80048

A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.

87 services64 patients

Manual urinalysis test with examination using microscope, automated 81001

A manual urinalysis test with automated microscopic examination is a lab process that checks your urine for health indicators. It involves a machine scanning your sample to identify any abnormal elements, which can assist in diagnosing various conditions.

87 services77 patients

Thyroxine (thyroid chemical), free 84439

The Thyroxine (thyroid chemical), free test is a blood test that measures the level of free T4 in your body. T4 is a hormone produced by your thyroid gland and is essential for growth and metabolism. If your T4 levels are too high or too low, it could indicate a thyroid disorder.

70 services52 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.

62 services34 patients

Cyanocobalamin (vitamin b-12) level 82607

A Cyanocobalamin (Vitamin B-12) level test is a blood test that checks the amount of Vitamin B-12 in your body. This vitamin is vital for nerve function and the creation of red blood cells. Low or high levels could indicate a potential health issue.

60 services53 patients

Ferritin (blood protein) level 82728

A Ferritin level test measures the amount of ferritin, a protein that stores iron, in your blood. It helps determine how much iron your body is storing. If levels are low, it may indicate iron deficiency, while high levels could signify conditions like iron overload.

49 services38 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

37 services37 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.

37 services37 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

28 services28 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.

25 services25 patients

Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment G0402

An Initial Preventive Physical Examination, also known as a "Welcome to Medicare" visit, is a one-time, face-to-face visit during your first 12 months of Medicare enrollment. It includes a review of your health, as well as education and counseling about preventive services and further screenings.

15 services15 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

13 services13 patients

Prostate cancer screening; prostate specific antigen test (psa) G0103

Prostate cancer screening involves a simple blood test known as the Prostate Specific Antigen (PSA) test. This test measures the level of PSA in your blood. Higher than normal levels can be an early indication of prostate issues, including cancer. It's a key tool in early detection.

13 services13 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

12 services12 patients

Hospital Affiliations CMS Care Compare 3

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

University Medical Center Of Princeton At Plainsboro

Acute Care Hospitals · Plainsboro, NJ

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310010

LocationOne-Five Plainsboro RoadPlainsboro, NJ 08536 · Middlesex County

Emergency services Birthing friendly

Capital Health Medical Center - Hopewell

Acute Care Hospitals · Pennington, NJ

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number310044

LocationOne Capital WayPennington, NJ 08534 · Mercer County

Emergency services Birthing friendly

Hospital Of Univ Of Pennsylvania

Acute Care Hospitals · Philadelphia, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390111

Location34th & Spruce StsPhiladelphia, PA 19104 · Philadelphia County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 08540 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

$140.34 typical visit price

range $61.59 – $185.05

Typical copayment $35.08 (range $15.39 – $46.26)

Most-billed visit code 99204

Established Patient

$107.94 typical visit price

range $20.08 – $150.98

Typical copayment $26.98 (range $5.02 – $37.74)

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.

Reported Quality Measures

Clinical Information Reconciliation

For at least one transition of care or referral received or patient encounter in which the MIPS eligible clinician has never before encountered the patient, the MIPS eligible clinician performs clinical information reconciliation.

1%3,506 patients1/55-star benchmark: 100%

Diabetes: Medical Attention for Nephropathy

The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period

86%84 patients4/55-star benchmark: 99%

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

96%7,118 patients4/55-star benchmark: 100%

Pneumococcal Vaccination Status for Older Adults

Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine

75%509 patients4/55-star benchmark: 90%

Preventive Care and Screening: Influenza Immunization

Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization

38%1,385 patients2/55-star benchmark: 88%

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen

26%1,971 patients2/55-star benchmark: 96%

Provide Patient Access

For at least one unique patient seen by the MIPS eligible clinician: (1) The patient (or the patient authorized representative) is provided timely access to view online, download, and transmit his or her health information; and (2) The MIPS eligible clinician…

53%2,448 patients3/55-star benchmark: 100%

Request/Accept Summary of Care

3%3,506 patients1/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of certified EHR technology to the patient (or the patient-authorized representative), or in…

31%2,448 patients2/55-star benchmark: 77%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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

5 suppliers15 claims29 services$5.91 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 20

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

RINKU GANDHI AGACNP-BC

Nurse Practitioner (Adult Health)

419 N HARRISON ST
PRINCETON, NJ 08540

Mercer County (609) 924-9300

DR. EDWARD VON DER SCHMIDT III MD

Neurological Surgery

419 N HARRISON ST, SUITE 204
PRINCETON, NJ 08540

Mercer County (609) 924-3614

CHAD ERIC STOCKHAM M.D.

Internal Medicine

419 N HARRISON ST
PRINCETON, NJ 08540

Mercer County (609) 924-9300

PRINCETON MEDICAL GROUP,P.A.

Internal Medicine

419 N HARRISON ST, SUITE 203
PRINCETON, NJ 08540

Mercer County (609) 924-9300

DR. JULIA T. DESANCTIS M.D.

Radiology (Diagnostic Radiology)

419 N HARRISON ST
PRINCETON, NJ 08540

Mercer County (609) 921-3345

TIFFANI METHVIEN OD

Optometrist

419 N HARRISON ST
PRINCETON, NJ 08540

Mercer County (609) 921-9437

DR. SIDNEY JACOB GOLDFARB MD

Urology

419 N HARRISON ST, STE 206
PRINCETON, NJ 08540

Mercer County (609) 921-3008

CASEY WONG M.D.

Internal Medicine (Cardiovascular Disease)

419 N HARRISON ST
PRINCETON, NJ 08540

Mercer County (609) 924-9300

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 Frances Chang's NPI number?

The NPI number for Frances Chang is 1316996960. It was assigned to this individual provider in the NPPES registry on May 10, 2006.

Where is Frances Chang located?

Frances Chang practices at 419 N Harrison St Suite 201, Princeton, NJ 08540. The listed phone number is (609) 924-9300.

What is Frances Chang's specialty?

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

Is Frances Chang enrolled in Medicare?

Yes. Frances Chang 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 organization bills Medicare for Frances Chang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Frances Chang reassigns Medicare benefits to Princeton Medical Group,p.A. (Princeton, NJ). The 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 Frances Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Frances Chang affiliated with any hospitals?

According to CMS data, Frances Chang is affiliated with University Medical Center Of Princeton At Plainsboro, Capital Health Medical Center - Hopewell and Hospital Of Univ Of Pennsylvania.

When was this NPI record last updated?

The NPPES record for Frances Chang was last updated on December 20, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.