DAVID EHRMANN – Endocrinology, Diabetes & Metabolism Physician, NPI 1235291790

DAVID EHRMANN is a healthcare provider. based in Chicago, Illinois. specializing in Endocrinology, Diabetes & Metabolism Physician. They hold a License No. 036070737 (IL). The NPI Number for DAVID EHRMANN is 1235291790

Main info

Male
44 Years Of Experience
Accepts Medicare Assignment
Name
DAVID EHRMANN
NPI
1235291790
Phone
Not provided
Address
5841 S MARYLAND AVE # MC1099
Enumeration Date
14 December 2006
Last Update Date
24 October 2022

Doctor Profile

Medical School Name
UNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Secondary Phone
7737021000
Graduation Year
1982 (44 years ago)
PAC ID
6002004660
Group Practice PAC ID
7618880766
Professional Enrollment ID
I20101223000049

Contacts

Secure Messaging
dehrmannmd22442@uchospital.direct-ci.com
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness85
Years active:19State licenses:1Other namesUpdated within 12 months

Provider Addresses for DAVID EHRMANN

  • 5841 S MARYLAND AVE # MC1099

    CHICAGO, IL 606371447

    Phone:

    Type: Mailing

  • 150 HARVESTER DR

    SUITE 300

    BURR RIDGE, IL 605275919

    Phone:

    Type: Mailing

  • 5841 S MARYLAND AVE

    CHICAGO, IL 606371443

    Phone: (888) 824-0200

    Type: Location

  • Harvester Drive, Burr Ridge, DuPage County, Illinois, 65027, United States

    BURR RIDGE, IL 605276686

    Phone: (773) 834-4064

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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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: 2010-12-23

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
I20101223000049IEndocrinologyILTBD

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
99214Established patient office or other outpatient visit, 30-39 minutes10773$0
99215Established patient office or other outpatient visit, 40-54 minutes3027$0
99213Established patient office or other outpatient visit, 20-29 minutes1414$0
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes1212$0
View full utilization report →

Insurance plans in this area (ZIP 60637)

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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: 7618880766View full group profile
NameSpecialtyState
Endocrinology, Internal MedicineIL
N E U R O S U R G E R YIL
Nurse PractitionerIL
-IL
Gastroenterology, Internal MedicineCT
Internal MedicineIL
Internal MedicineIL
-IL
Interventional Cardiology, Internal Medicine, Cardiovascular Disease (Cardiology)IL
-CA

Reviews

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Frequently asked questions

What is the 10-digit NPI for DAVID EHRMANN?
DAVID EHRMANN — NPI 1235291790 — is the standard way to identify this listing.
Is DAVID EHRMANN still practicing?
DAVID EHRMANN is currently listed as active in the public NPI registry.
What is DAVID EHRMANN best known for clinically?
Directory data describes DAVID EHRMANN with Endocrinology, Diabetes & Metabolism Physician. Clinical services aligned with this taxonomy classification.
Does DAVID EHRMANN list a practice location?
Patients near Chicago, Illinois may find DAVID EHRMANN in results; validate coverage separately.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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