DR. WILLIAM J EHLENBACH (MD) – Pulmonary Disease Physician, NPI 1437126166

DR. WILLIAM J EHLENBACH (MD) is a healthcare provider. based in Madison, Wisconsin. specializing in PULMONARY DISEASE, CRITICAL CARE (INTENSIVISTS). They hold the professional credentials MD. They hold a License No. 46884 (WI). The NPI Number for DR. WILLIAM J EHLENBACH (MD) is 1437126166

Main info

Male
24 Years Of Experience
Accepts Medicare Assignment
Name
DR. WILLIAM J EHLENBACH (MD)
NPI
1437126166
Phone
(608) 260-2900
Address
700 S PARK ST STE A
Enumeration Date
1 March 2006
Last Update Date
24 August 2022

Doctor Profile

Medical School Name
UNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Secondary Phone
6082602900
Graduation Year
2002 (24 years ago)
PAC ID
8527093582
Group Practice PAC ID
7012827983
Professional Enrollment ID
I20050928001443
Address ID
WI537151830MA700XXSTXX409
Telehealth
Yes

Contacts

Secure Messaging
wehlenbach71763@direct.uwhealth.org
Secure Messaging
wehlenbach417819@direct-ehr-ssmhc.com
FHIR Endpoint
https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience73
Completeness85
Years active:20State licenses:2Other namesUpdated within 12 months

348 PULMONARY DISEASE in WI

Provider Addresses for DR. WILLIAM J EHLENBACH (MD)

  • 700 S PARK ST STE A

    MADISON, WI 537151830

    Phone: (608) 260-2900

    Fax: (608) 260-2951

    Type: Mailing

  • 7974, UW Health Court, Discovery Springs, City of Middleton, Dane County, Wisconsin, 53562, United States

    MIDDLETON, WI 535625531

    Phone:

    Type: Mailing

  • University Hospital Outpatient Pharmacy, 600, Highland Avenue, Madison, Dane County, Wisconsin, 53705-2221, United States

    MADISON, WI 537920001

    Phone: (608) 263-7203

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2005-09-28

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20050928001443IPulmonary DiseaseWITBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99291Critical care, first 30-74 minutes11259$0
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes6743$0
99214Established patient office or other outpatient visit, 30-39 minutes6548$0
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes5832$0
J7613Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg5117$0
View full utilization report →

Insurance plans in this area (ZIP 53715)

Loading plans...

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7012827983View full group profile
NameSpecialtyState
U R O L O G YWA
-WI
O P T O M E T R YWI
N E U R O S U R G E R YNE
-WI
Physician AssistantWI
Family PracticeWI
Cardiovascular Disease (Cardiology)TX
-WI
Family PracticeWI

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What is the 10-digit NPI for DR. WILLIAM J EHLENBACH (MD)?
DR. WILLIAM J EHLENBACH (MD) — NPI 1437126166 — is the standard way to identify this listing.
Does CMS list DR. WILLIAM J EHLENBACH (MD) as active?
Yes — DR. WILLIAM J EHLENBACH (MD) is active in the NPI listing used on this page.
What is DR. WILLIAM J EHLENBACH (MD) best known for clinically?
Directory data describes DR. WILLIAM J EHLENBACH (MD) with Pulmonary Disease Physician. Clinical services aligned with this taxonomy classification.
Does DR. WILLIAM J EHLENBACH (MD) list a practice location?
Patients near Madison, Wisconsin may find DR. WILLIAM J EHLENBACH (MD) in results; validate coverage separately.
Why does DR. WILLIAM J EHLENBACH (MD) have multiple addresses?
4 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

Similar Providers

JOHN S FERGUSON (MD)

Pulmonary Disease Physician
7974, UW Health Court, Discovery Springs, City of Middleton, Dane County, Wisconsin, 53562, United States
NPI: 1205823317

Unknown Individual

Pulmonary Disease Physician
Mercy Hospital Lincoln Grounds, 1000, East Cherry Street, Troy, Lincoln County, Missouri, 63379, United States
NPI: 1285625749

BAHER N HABEEB (M.D.)

Pulmonary Disease Physician
Saint Mary's Hospital, 700, South Park Street, Greenbush, Madison, Dane County, Wisconsin, 53715, United States
NPI: 1457334617

DR. KENNETH R. CASEY (MD)

Sleep Medicine (Internal Medicine) Physician
3025, Ashford Lane, Arbor Hills, Madison, Dane County, Wisconsin, 53713, United States
NPI: 1952384703

MARY E KLINK (MD)

Sleep Medicine (Internal Medicine) Physician
7974, UW Health Court, Discovery Springs, City of Middleton, Dane County, Wisconsin, 53562, United States
NPI: 1033185046

KEITH C MEYER (MD)

Pulmonary Disease Physician
5001 COUNTY ROAD M
NPI: 1003882960

KEVIN S MCALLISTER (MD)

Pulmonary Disease Physician
7974, UW Health Court, Discovery Springs, City of Middleton, Dane County, Wisconsin, 53562, United States
NPI: 1669448510

JOHN G MCCARTNEY (MD)

Pulmonary Disease Physician
7974, UW Health Court, Discovery Springs, City of Middleton, Dane County, Wisconsin, 53562, United States
NPI: 1114993151

JOSEPH P MCMAHON (MD)

Pulmonary Disease Physician
3837 MONONA DR UNIT 8
NPI: 1841266889