DR. THEODORE J GRONSKI MD
NPI 1659320059
Internal Medicine - Pulmonary Disease in Milwaukee, WI

Q: What is Theodore Gronski's NPI number?

The NPI number for Theodore Gronski is 1659320059. It was assigned to this individual provider in the NPPES registry on May 10, 2006.

Q: What is Theodore Gronski's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Theodore Gronski was last updated on August 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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

2900 W OKLAHOMA AVE, MILWAUKEE, WI 53215(414) 649-6572 Get Directions Write a Review

NPPES record last updated: August 11, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 11, 2025, Nov 23, 2021 (2 updates tracked since 2021).

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About Dr. Theodore J Gronski Md NPPES

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

DR. THEODORE J GRONSKI MD (NPI 1659320059) is an individual pulmonary disease provider in Milwaukee, Wisconsin, licensed in Wisconsin (39890-020) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Aurora Memorial Hospital Burlington, and is a graduate of Medical College Of Wisconsin (1985).

NPPES Registry Identity

NPI1659320059

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameDR. THEODORE J GRONSKICredential: MD

Location Address2900 W OKLAHOMA AVEMilwaukee, WI 53215-4330

Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250

Phone(414) 649-6572

Sole ProprietorNo

Medical School CMSMedical College Of WisconsinGraduated 1985

Enumeration DateMay 10, 2006

Last NPPES UpdateAugust 11, 20252 updates tracked since enumeration

NPPES CertifiedAugust 11, 2025

✔ NPI 1659320059 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in WI · 39890-020

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

2900 W OKLAHOMA AVE, Milwaukee, WI 53215

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Other Identifiers 2

Other290011108WI · Railroad Medicare

Medicaid32454400WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners 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

Dr. Theodore J Gronski 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 ID7012076227

PECOS Enrollment IDI20100929001054

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 11

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.

159 services109 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.

62 services60 patients

Test to examine how well the lungs exchange gases 94729

This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.

38 services35 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.

34 services32 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.

28 services23 patients

Test to determine lung volumes using sensors 94726

This test, called spirometry, measures lung capacity using sensors. You breathe into a mouthpiece attached to a device that records the amount and rate of air you inhale and exhale. It helps diagnose and monitor lung conditions.

24 services24 patients

Hospital Affiliations CMS Care Compare 3

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

Aurora Memorial Hospital Burlington

Acute Care Hospitals · Burlington, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520059

Location252 Mchenry StBurlington, WI 53105 · Racine County

Emergency services

Aurora St Lukes Medical Center

Acute Care Hospitals · Milwaukee, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520138

Location2900 W Oklahoma AveMilwaukee, WI 53215 · Milwaukee County

Emergency services Birthing friendly

West Allis Memorial Hospital

Acute Care Hospitals · West Allis, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520139

Location8901 W Lincoln AveWest Allis, WI 53227 · Milwaukee County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53215 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

$123.69 typical visit price

range $53.90 – $163.24

Typical copayment $30.92 (range $13.47 – $40.81)

Most-billed visit code 99204

Established Patient

$95.41 typical visit price

range $17.40 – $133.76

Typical copayment $23.85 (range $4.35 – $33.44)

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 25

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

Tubing with integrated heating element for use with positive airway pressure device A4604