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ROBERT A CHANG MD
NPI 1093712093
Internal Medicine in Mount Clemens, MI

Active since July 05, 2005PECOS EnrolledAccepts Medicare Assignment
133 S MAIN ST, MOUNT CLEMENS, MI 48043(586) 468-1600(586) 465-0329 Get Directions Write a Review

NPPES record last updated: December 22, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Dec 22, 2020, Dec 27, 2018 (2 updates tracked since 2018).

About Robert A Chang Md NPPES

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

ROBERT A CHANG MD (NPI 1093712093) is an individual internal medicine provider in Mount Clemens, Michigan, licensed in Michigan (4301054727) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Henry Ford Macomb Hospital, and maintains a secondary practice location in Mount Clemens.

NPPES Registry Identity

NPI1093712093
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameROBERT A CHANGCredential: MD
Location Address133 S MAIN STMount Clemens, MI 48043
Mailing Address2689 Solution CenterChicago, IL 60677-0001 · (586) 329-1880 · Fax (586) 465-0329
Phone(586) 468-1600
Fax(586) 465-0329
Sole ProprietorNo
Medical School CMSOtherGraduated 1986
Enumeration DateJuly 5, 2005
Last NPPES UpdateDecember 22, 20202 updates tracked since enumeration
NPPES CertifiedDecember 22, 2020
✔ NPI 1093712093 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MI · 4301054727
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.
133 S MAIN ST, Mount Clemens, MI 48043
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Secondary Practice Location 1

Location 1133 S Main StMount Clemens, MI 48043-2308 · Phone (586) 468-1600 · Fax (586) 465-0329

Other Identifiers 1

Medicaid3476505MI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.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

Robert A 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 ID1658325428
PECOS Enrollment IDI20050304000626
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 10

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.
386 services209 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.
148 services148 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.
115 services115 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.
64 services46 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.
48 services48 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.
45 services45 patients

Hospital Affiliations CMS Care Compare 2

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

Henry Ford Macomb Hospital

Acute Care Hospitals · Clinton Township, MI
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230047
Location15855 Nineteen Mile RdClinton Township, MI 48038 · Macomb County
Emergency services Birthing friendly

Henry Ford Health Hospital

Acute Care Hospitals · Detroit, MI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number230053
Location2799 W Grand BlvdDetroit, MI 48202 · Wayne County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48043 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
$134.28 typical visit price
range $58.04 – $177.36
Typical copayment $33.57 (range $14.51 – $44.34)
Most-billed visit code 99204
Established Patient
$102.35 typical visit price
range $18.32 – $143.49
Typical copayment $25.58 (range $4.58 – $35.87)
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.

Referred Medical Equipment & Supplies CMS DME claims 7

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
9 suppliers31 claims110 services$6.29 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
9 suppliers26 claims45 services$1.11 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier20 claims30 services$14.06 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier15 claims15 services$5.15 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers36 claims36 services$62.12 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
2 suppliers14 claims14 services$16.18 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.

MR. ROBBIE WILLIAM ROESCH PA-C
Physician Assistant (Medical)
133 S MAIN ST
MOUNT CLEMENS, MI 48043
Macomb County (586) 468-1600
THOMAS A GIGNAC MD
Specialist
133 S MAIN ST, SUITE D
MOUNT CLEMENS, MI 48043
Macomb County (586) 465-1326
NICOLE MARIE SHIELDS PA-C
Physician Assistant (Medical)
133 S MAIN ST
MOUNT CLEMENS, MI 48043
Macomb County (586) 468-1600
PETER A KOVALSZKI MD
Specialist
133 S MAIN ST, SUITE D
MOUNT CLEMENS, MI 48043
Macomb County (586) 465-1326
JOSEPH SCHERBA PA
Physician Assistant
133 S MAIN ST
MOUNT CLEMENS, MI 48043
Macomb County (586) 468-1600
FIRAS YAZIGI M.D.
Internal Medicine (Cardiovascular Disease)
133 S MAIN ST
MOUNT CLEMENS, MI 48043
Macomb County (586) 468-1600
INTERNAL MEDICINE ASSOCIATES OF MT. CLEMENS, PC
Internal Medicine
133 S MAIN ST
MOUNT CLEMENS, MI 48043
Macomb County (586) 468-1600
RUTH A RYDSTEDT MD
Internal Medicine
133 S MAIN ST, SUITE D
MOUNT CLEMENS, MI 48043
Macomb County (586) 465-1326

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 Robert Chang's NPI number?

The NPI number for Robert Chang is 1093712093. It was assigned to this individual provider in the NPPES registry on July 5, 2005.

Where is Robert Chang located?

Robert Chang practices at 133 S Main St, Mount Clemens, MI 48043. The listed phone number is (586) 468-1600.

What is Robert Chang's specialty?

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

Is Robert Chang enrolled in Medicare?

Yes. Robert 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.

What insurance does Robert Chang accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 3 other insurers list Robert Chang 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 Robert Chang affiliated with any hospitals?

According to CMS data, Robert Chang is affiliated with Henry Ford Macomb Hospital and Henry Ford Health Hospital.

When was this NPI record last updated?

The NPPES record for Robert Chang was last updated on December 22, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.