DR. DENNIS J. PARK DO
NPI 1639220445
Internal Medicine in Oakbrook Terrace, IL

Q: What is Dennis Park's NPI number?

The NPI number for Dennis Park is 1639220445. It was assigned to this individual provider in the NPPES registry on January 16, 2007.

Q: What is Dennis Park'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 Dennis Park was last updated on March 17, 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.

Active since January 16, 2007PECOS EnrolledAccepts Medicare Assignment

2 TRANSAM PLAZA DR STE 410, OAKBROOK TERRACE, IL 60181(866) 259-1631(855) 618-2629 Get Directions Write a Review

NPPES record last updated: March 17, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 17, 2021, Apr 28, 2017 (2 updates tracked since 2017).

On this page

About Dr. Dennis J. Park Do NPPES

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

DR. DENNIS J. PARK DO (NPI 1639220445) is an individual internal medicine provider in Oakbrook Terrace, Illinois, licensed in Illinois (036.133095) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Central Dupage Hospital, and is a graduate of Other (2006).

NPPES Registry Identity

NPI1639220445

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. DENNIS J. PARKCredential: DO

Location Address2 TRANSAM PLAZA DR STE 410Oakbrook Terrace, IL 60181-4290

Mailing Address2 Transam Plaza Dr Ste 410Oakbrook Terrace, IL 60181-4290 · (866) 259-1631 · Fax (855) 618-2629

Phone(866) 259-1631

Fax(855) 618-2629

Sole ProprietorNo

Medical School CMSOtherGraduated 2006

Enumeration DateJanuary 16, 2007

Last NPPES UpdateMarch 17, 20212 updates tracked since enumeration

NPPES CertifiedMarch 17, 2021

✔ NPI 1639220445 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Licenses✔ Licensed in IL · 036.133095✔ Licensed in NE · 602

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.

2 TRANSAM PLAZA DR STE 410, Oakbrook Terrace, IL 60181

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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 and accepts Medicare assignment

Dr. Dennis J. Park Do 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 ID4284873100

PECOS Enrollment IDI20130625000350

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.

Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 99348

An established patient home visit is a 25-minute appointment where a healthcare provider visits you at your home. This service is for patients who have previously been seen by the provider. It includes a check-up and discussion about your health concerns.

459 services203 patients

Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 99349

An established patient home visit is a medical appointment conducted at your home, typically lasting around 40 minutes. This service is ideal for patients who may find it difficult to travel to a healthcare facility. During this visit, a healthcare professional will evaluate your health status, manage your care, and answer any health-related questions you may have.

365 services176 patients

Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and G0180

This is a service where a doctor or authorized practitioner certifies that you require Medicare-covered home health services. They will communicate with the home health agency and review reports on your health status to ensure you receive appropriate care. This does not involve an in-person visit.

69 services58 patients

Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a G0179

This procedure involves a doctor or approved practitioner reviewing your health status and re-certifying your need for Medicare-covered home health services. It includes communication with the home health agency and assessment of your health reports, even when you're not physically present.

62 services38 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.

59 services59 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

30 services30 patients

Hospital Affiliations CMS Care Compare

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

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140242

Location25 North Winfield RoadWinfield, IL 60190 · Du Page County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60181 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

$137.43 typical visit price

range $59.81 – $181.38

Typical copayment $34.35 (range $14.95 – $45.34)

Most-billed visit code 99204

Established Patient

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

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 24

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

12 suppliers44 claims132 services$5.91 avg. paid by Medicare

Tape, waterproof, per 18 square inches A4452

DME-Medical/Surgical Supplies · category DA000N

1 supplier11 claims220 services$0.34 avg. paid by Medicare

Oropharyngeal suction catheter, each A4628

DME-Other DME · category DE000N

1 supplier11 claims11 services$3.61 avg. paid by Medicare

Canister, disposable, used with suction pump, each A7000

DME-Other DME · category DE000N

1 supplier11 claims22 services$7.03 avg. paid by Medicare

Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003

DME-Other DME · category DE000N

1 supplier11 claims22 services$1.32 avg. paid by Medicare

Water, distilled, used with large volume nebulizer, 1000 ml A7018

DME-Other DME · category DE000N

1 supplier11 claims165 services$0.26 avg. paid by Medicare

Tracheostomy tube collar/holder, each A7526

DME-Orthotic Devices · category DF000N

1 supplier11 claims330 services$3.27 avg. paid by Medicare

Enteral feeding supply kit; pump fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4035

Other-Enteral and Parenteral · category OB006N

2 suppliers15 claims401 services$4.98 avg. paid by Medicare

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260

DME-Hospital Beds · category DB000N

4 suppliers36 claims36 services$40.93 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

3 suppliers21 claims21 services$13.12 avg. paid by Medicare

Home ventilator, any type, used with invasive interface, (e.g., tracheostomy tube) E0465

DME-Other DME · category DE005N

1 supplier11 claims22 services$921.50 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

2 suppliers12 claims12 services$2.91 avg. paid by Medicare

Patient lift, hydraulic or mechanical, includes any seat, sling, strap(s) or pad(s) E0630

DME-Other DME · category DE000N

3 suppliers27 claims27 services$39.28 avg. paid by Medicare

Wheelchair accessory, headrest, cushioned, any type, including fixed mounting hardware, each E0955

DME-Wheelchairs · category DD021N

1 supplier11 claims11 services$7.52 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

8 suppliers61 claims61 services$61.27 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

3 suppliers20 claims20 services$30.89 avg. paid by Medicare

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

DME-Drugs Administered Through DME · category DG006N

4 suppliers18 claims2,220 services$0.09 avg. paid by Medicare

Standard hemi (low seat) wheelchair K0002

DME-Wheelchairs · category DD000N

2 suppliers19 claims19 services$34.92 avg. paid by Medicare

Lightweight wheelchair K0003

DME-Wheelchairs · category DD000N

2 suppliers31 claims31 services$26.30 avg. paid by Medicare

Elevating leg rests, pair (for use with capped rental wheelchair base) K0195

DME-Wheelchairs · category DD021N

2 suppliers30 claims30 services$7.55 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

4 suppliers32 claims32 services$189.30 avg. paid by Medicare

Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738

DME-Oxygen and Supplies · category DC000N

2 suppliers19 claims19 services$29.72 avg. paid by Medicare

Power wheelchair, group 2 standard, captains chair, patient weight capacity up to and including 300 pounds K0823

DME-Wheelchairs · category DD009N

2 suppliers14 claims14 services$239.36 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

4 suppliers17 claims17 services$22.97 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 6

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

KIONIE ABRAHAM

Nurse Practitioner (Family)

2 TRANSAM PLAZA DR STE 410
OAKBROOK TERRACE, IL 60181

Dupage County (866) 259-1631

CHARLIE F GUDE M.D.

Family Medicine

2 TRANSAM PLAZA DR STE 410
OAKBROOK TERRACE, IL 60181

Dupage County (266) 259-1631

MR. ADELIN NITA PA C

Physician Assistant

2 TRANSAM PLAZA DR STE 410
OAKBROOK TERRACE, IL 60181

Dupage County (866) 259-1631

MARCIE NESHIA POWERS ROSS APRN, FNP

Nurse Practitioner (Family)

2 TRANSAM PLAZA DR STE 410
OAKBROOK TERRACE, IL 60181

Dupage County (312) 493-5467

TONYA SCHREDER MD

Family Medicine

2 TRANSAM PLAZA DR STE 410
OAKBROOK TERRACE, IL 60181

Dupage County (866) 259-1631

MARJA HAMAN-DJODA N.P.

Nurse Practitioner (Primary Care)

2 TRANSAM PLAZA DR STE 410
OAKBROOK TERRACE, IL 60181

Dupage County (630) 529-7427

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 Dennis Park's NPI number?

The NPI number for Dennis Park is 1639220445. It was assigned to this individual provider in the NPPES registry on January 16, 2007.

Where is Dennis Park located?

Dennis Park practices at 2 Transam Plaza Dr Ste 410, Oakbrook Terrace, IL 60181. The listed phone number is (866) 259-1631.

What is Dennis Park's specialty?

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

Is Dennis Park enrolled in Medicare?

Yes. Dennis Park 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.

Is Dennis Park affiliated with any hospitals?

According to CMS data, Dennis Park is affiliated with Northwestern Medicine Central Dupage Hospital.

When was this NPI record last updated?

The NPPES record for Dennis Park was last updated on March 17, 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.