DR. WILLIAM J EHLENBACH MD
NPI 1437126166
Internal Medicine - Pulmonary Disease in Madison, WI

Active since March 01, 2006PECOS EnrolledAccepts Medicare Assignment
700 S PARK ST STE A, MADISON, WI 53715(608) 260-2900(608) 260-2951 Get Directions Write a Review

NPPES record last updated: August 24, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 24, 2022, Jan 25, 2021 (2 updates tracked since 2021).

About Dr. William J Ehlenbach Md NPPES

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

DR. WILLIAM J EHLENBACH MD (NPI 1437126166) is an individual pulmonary disease provider in Madison, Wisconsin, licensed in Wisconsin (46884-20) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Ssm Health St Clare Hospital - Baraboo, and is a graduate of University Of Wisconsin School Of Medicine (2002).

NPPES Registry Identity

NPI1437126166
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameDR. WILLIAM J EHLENBACHCredential: MD
Location Address700 S PARK ST STE AMadison, WI 53715-1830
Mailing Address700 S Park St Ste AMadison, WI 53715-1830 · (608) 260-2900 · Fax (608) 260-2951
Fax(608) 260-2951
Sole ProprietorNo
Medical School CMSUniversity Of Wisconsin School Of MedicineGraduated 2002
Enumeration DateMarch 1, 2006
Last NPPES UpdateAugust 24, 20222 updates tracked since enumeration
NPPES CertifiedAugust 24, 2022
NPI 1437126166 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License Licensed in WI · 46884-20
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.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 46884 (WI)
700 S PARK ST STE A, Madison, WI 53715

Other Identifiers 1

Medicaid1437126166WI

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

Dr. William J Ehlenbach 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 ID8527093582
PECOS Enrollment IDI20050928001443
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 12

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
100 services67 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.
79 services55 patients
Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613
Albuterol is a medication used to treat breathing problems. It is administered as an inhalation solution through a device called DME (Durable Medical Equipment). The solution is FDA-approved and non-compounded. Each unit dose contains 1 mg of the medicine.
66 services22 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.
43 services37 patients
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.
40 services37 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
31 services31 patients

Hospital Affiliations CMS Care Compare 5

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

Ssm Health St Clare Hospital - Baraboo

Acute Care Hospitals · Baraboo, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520057
Location707 14th StBaraboo, WI 53913 · Sauk County
Emergency services Birthing friendly

Fort Memorial Hospital

Acute Care Hospitals · Fort Atkinson, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number520071
Location611 Sherman Ave EFort Atkinson, WI 53538 · Jefferson County
Emergency services Birthing friendly

Ssm Health St Mary's Hospital - Madison

Acute Care Hospitals · Madison, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520083
Location700 South Park StMadison, WI 53715 · Dane County
Emergency services Birthing friendly

Sauk Prairie Hospital

Acute Care Hospitals · Prairie Du Sac, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520095
Location260 26th StreetPrairie Du Sac, WI 53578 · Sauk County
Emergency services Birthing friendly

Stoughton Hospital

Critical Access Hospitals · Stoughton, WI
OwnershipVoluntary non-profit - Private
CMS Certification Number521343
Location900 Ridge StStoughton, WI 53589 · Dane County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53715 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 9

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

Filter, disposable, used with positive airway pressure device A7038
DME-Other DME · category DE001N
4 suppliers11 claims66 services$2.27 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 suppliers23 claims23 services$18.58 avg. paid by Medicare
Home ventilator, any type, used with invasive interface, (e.g., tracheostomy tube) E0465
DME-Other DME · category DE005N
3 suppliers30 claims49 services$849.67 avg. paid by Medicare
Home ventilator, any type, used with non-invasive interface, (e.g., mask, chest shell) E0466
DME-Other DME · category DE005N
2 suppliers24 claims25 services$781.89 avg. paid by Medicare
Respiratory assist device, bi-level pressure capability, with back-up rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) E0471
DME-Other DME · category DE001N
2 suppliers15 claims15 services$225.27 avg. paid by Medicare
Humidifier, heated, used with positive airway pressure device E0562
DME-Other DME · category DE001N
2 suppliers12 claims12 services$14.24 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.

Psychiatry & Neurology (Neurology)
700 S PARK ST STE A
MADISON, WI 53715
Psychiatry & Neurology (Neurology)
700 S PARK ST STE A
MADISON, WI 53715
Nurse Practitioner
700 S PARK ST STE A
MADISON, WI 53715
Physician Assistant
700 S PARK ST STE A
MADISON, WI 53715
Physician Assistant
700 S PARK ST STE A
MADISON, WI 53715
Dietitian, Registered
700 S PARK ST STE A
MADISON, WI 53715
Surgery
700 S PARK ST STE A
MADISON, WI 53715
Physician Assistant
700 S PARK ST STE A
MADISON, WI 53715

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 William Ehlenbach's NPI number?

The NPI number for William Ehlenbach is 1437126166. It was assigned to this individual provider in the NPPES registry on March 1, 2006.

Where is William Ehlenbach located?

William Ehlenbach practices at 700 S Park St Ste A, Madison, WI 53715. The listed phone number is (608) 260-2900.

What is William Ehlenbach's specialty?

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

Is William Ehlenbach enrolled in Medicare?

Yes. William Ehlenbach 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 William Ehlenbach accept?

Health plans from Anthem Blue Cross and Blue Shield list William Ehlenbach 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 William Ehlenbach affiliated with any hospitals?

According to CMS data, William Ehlenbach is affiliated with Ssm Health St Clare Hospital - Baraboo, Fort Memorial Hospital, Ssm Health St Mary's Hospital - Madison, Sauk Prairie Hospital and Stoughton Hospital.

When was this NPI record last updated?

The NPPES record for William Ehlenbach was last updated on August 24, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.