ZHENGJIN CAO M.D.
NPI 1861616039
Internal Medicine in Dubuque, IA

Active since April 12, 2007PECOS EnrolledAccepts Medicare Assignment
1515 DELHI ST, STE 100, DUBUQUE, IA 52001(563) 557-9111(563) 589-4046 Get Directions Write a Review

NPPES record last updated: April 6, 2021. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Zhengjin Cao M.d. NPPES

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

ZHENGJIN CAO M.D. (NPI 1861616039) is an individual internal medicine provider in Dubuque, Iowa, licensed in Iowa (37147) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Midwest Medical Center, and is a graduate of Other (1988).

NPPES Registry Identity

NPI1861616039
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameZHENGJIN CAOCredential: M.D.
Location Address1515 DELHI ST, STE 100Dubuque, IA 52001-6320
Mailing Address1515 Delhi St, Ste 100Dubuque, IA 52001-6320 · (563) 557-9111 · Fax (563) 589-4046
Fax(563) 589-4046
Sole ProprietorNo
Medical School CMSOtherGraduated 1988
Enumeration DateApril 12, 2007
Last NPPES UpdateApril 6, 2021
NPPES CertifiedApril 6, 2021
NPI 1861616039 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in IA · 37147
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.
1515 DELHI ST, Dubuque, IA 52001

Other Identifiers 1

Medicaid34793200WI

Accepted 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

Zhengjin Cao 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 ID9537269154
PECOS Enrollment IDI20070713000276
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 44

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.

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.
559 services289 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.
541 services284 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.
435 services278 patients
Liver enzyme (sgpt), level 84460
A liver enzyme (SGPT) level test is a blood test that checks the health of your liver. SGPT is an enzyme found in your liver cells. If your liver is damaged or inflamed, SGPT can leak into your bloodstream, raising the enzyme level. This test helps identify liver diseases early.
346 services248 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.
280 services198 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.
238 services232 patients

Hospital Affiliations CMS Care Compare 3

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

Midwest Medical Center

Critical Access Hospitals · Galena, IL
OwnershipVoluntary non-profit - Private
CMS Certification Number141302
Location1 Medical Center DriveGalena, IL 61036 · Jo Daviess County
Emergency services

Mercyone Dubuque Medical Center

Acute Care Hospitals · Dubuque, IA
5/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number160069
Location250 Mercy DriveDubuque, IA 52001 · Dubuque County
Emergency services Birthing friendly

Finley Hospital

Acute Care Hospitals · Dubuque, IA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160117
Location350 North Grandview AvenueDubuque, IA 52001 · Dubuque County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 52001 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
$122.23 typical visit price
range $52.96 – $161.40
Typical copayment $30.55 (range $13.24 – $40.35)
Most-billed visit code 99204
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
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 22

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
14 suppliers70 claims174 services$5.25 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
9 suppliers32 claims40 services$0.99 avg. paid by Medicare
Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
3 suppliers16 claims16 services$37.32 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
4 suppliers14 claims14 services$98.43 avg. paid by Medicare
Face mask interface, replacement for full face mask, each A7031
DME-Other DME · category DE001N
3 suppliers12 claims23 services$38.37 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
8 suppliers19 claims19 services$54.50 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.

Internal Medicine
1515 DELHI ST, STE 100
DUBUQUE, IA 52001
Hospitalist
1515 DELHI ST, SUITE 100
DUBUQUE, IA 52001
Internal Medicine
1515 DELHI ST, STE 100
DUBUQUE, IA 52001
Family Medicine (Adult Medicine)
1515 DELHI ST, SUITE 100
DUBUQUE, IA 52001
Internal Medicine
1515 DELHI ST, STE 100
DUBUQUE, IA 52001
Nurse Anesthetist, Certified Registered
1515 DELHI ST, SUITE 300
DUBUQUE, IA 52001
Internal Medicine
1515 DELHI ST, STE 100
DUBUQUE, IA 52001
Internal Medicine
1515 DELHI ST, STE 100
DUBUQUE, IA 52001

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 Zhengjin Cao's NPI number?

The NPI number for Zhengjin Cao is 1861616039. It was assigned to this individual provider in the NPPES registry on April 12, 2007.

Where is Zhengjin Cao located?

Zhengjin Cao practices at 1515 Delhi St Ste 100, Dubuque, IA 52001. The listed phone number is (563) 557-9111.

What is Zhengjin Cao's specialty?

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

Is Zhengjin Cao enrolled in Medicare?

Yes. Zhengjin Cao 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 Zhengjin Cao accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan and 2 other insurers list Zhengjin Cao 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 Zhengjin Cao affiliated with any hospitals?

According to CMS data, Zhengjin Cao is affiliated with Midwest Medical Center, Mercyone Dubuque Medical Center and Finley Hospital.

When was this NPI record last updated?

The NPPES record for Zhengjin Cao was last updated on April 6, 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.