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DR. EILEEN CHANG DO
NPI 1790218360
Hospitalist in Grand Blanc, MI

Active since April 10, 2017PECOS Enrolled
12745 S SAGINAW ST # 806-196, GRAND BLANC, MI 48439(248) 691-8646 Get Directions Write a Review

NPPES record last updated: February 24, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 24, 2021, Feb 10, 2021, Jul 30, 2020 and 2 more (5 updates tracked since 2017).

About Dr. Eileen Chang Do NPPES

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

DR. EILEEN CHANG DO (NPI 1790218360) is an individual hospitalist provider in Grand Blanc, Michigan, licensed in Michigan (5101025844) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790218360
Entity TypeIndividualFemale
Primary Taxonomy208M00000X
Provider Legal NameDR. EILEEN CHANGCredential: DO
Location Address12745 S SAGINAW ST # 806-196Grand Blanc, MI 48439-2437
Mailing Address12745 S Saginaw St # 806-196Grand Blanc, MI 48439-2437 · (248) 691-8646
Phone(248) 691-8646
Sole ProprietorNo
Enumeration DateApril 10, 2017
Last NPPES UpdateFebruary 24, 20215 updates tracked since enumeration
NPPES CertifiedFebruary 24, 2021
✔ NPI 1790218360 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in MI · 5101025844
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
12745 S SAGINAW ST # 806-196, Grand Blanc, MI 48439
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Eileen Chang Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 7

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
369 services143 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
253 services104 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
179 services171 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
150 services144 patients
Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes 99236
This service involves a brief hospital stay for a serious health issue. Patients are admitted and discharged on the same day, typically within 55 minutes. It allows for close monitoring and immediate treatment, ensuring optimal care.
21 services21 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48439 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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

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
1 supplier11 claims11 services$63.03 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Eileen Chang's NPI number?

The NPI number for Eileen Chang is 1790218360. It was assigned to this individual provider in the NPPES registry on April 10, 2017.

Where is Eileen Chang located?

Eileen Chang practices at 12745 S Saginaw St # 806-196, Grand Blanc, MI 48439. The listed phone number is (248) 691-8646.

What is Eileen Chang's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Eileen Chang enrolled in Medicare?

Yes. Eileen Chang is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Eileen Chang was last updated on February 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.