Quick answers
- Which hospitals does Crystal J. Otteman work at?
- Medicare's official clinician data lists Crystal J. Otteman at 4 hospitals: Northwestern Medicine Central Dupage Hospital, Northwestern Medicine Delnor Community Hospital, Northwestern Medicine Kishwaukee Hospital and Northwestern Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Crystal J. Otteman see patients?
- Medicare's clinician data lists 4 practice locations, including Wheaton, IL, Winfield, IL and Geneva, IL. Call before your visit to confirm the address.
- What is Crystal J. Otteman's specialty?
- Medicare lists Pulmonary Disease as the primary specialty.
- Does Crystal J. Otteman accept Medicare assignment?
- Yes. Medicare's clinician data says Crystal J. Otteman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Crystal J. Otteman offer telehealth?
- Medicare's clinician data says Crystal J. Otteman offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Crystal J. Otteman?
- (630) 933-4800, as listed in official Medicare / NPI Registry data.
- What is Crystal J. Otteman's NPI number?
- 1174578629. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Crystal J. Otteman works
Medicare's Facility Affiliation Data lists Crystal J. Otteman at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- Northwestern Medicine Delnor Community HospitalGeneva, IL · Acute Care Hospital · CCN 140211
- Northwestern Medicine Kishwaukee HospitalDekalb, IL · Acute Care Hospital · CCN 140286
- Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · CCN 140281
Practice locations
Addresses where Crystal J. Otteman is enrolled with Medicare (CMS data updated 2026-10-02).
- 1800 N Main StWheaton, IL 60187 (630) 933‑4800
- 25 N Winfield RdWinfield, IL 60190
- 300 Randall RdGeneva, IL 60134 (630) 933‑4700
- 304 Randall RdGeneva, IL 60134 (630) 307‑7799
Group practices
Medicare enrollment lists Crystal J. Otteman as a member of this group (CMS data updated 2026-10-02).
- Central Dupage Physician Group1,080 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
Other pulmonologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Midwestern University, Chicago College Of Osteopathic Med |
| Graduation year | 1990 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1174578629 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians