Crystal J. Otteman, DO
Pulmonary Disease Physician · Winfield, IL
Crystal J. Otteman, DO is a pulmonary disease physician with a practice address in Winfield, Illinois, and NPI 1174578629, issued on May 23, 2006. Check the license (Illinois 036086512, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Crystal J. Otteman
- Credential
- DO
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 036086512 IL
Self-reported in NPPES; status is on the state search - Practice location
- 25 N Winfield RD, Winfield, IL 60190
- Phone
- (630) 690-4993
- Enumerated
- May 23, 2006
- Record last updated
- Feb 4, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (630) 690-2293
- Medicaid ID
- 036086512 IL
- Medicare enrollment
- Enrolled (PECOS I20060316000061); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 617 in Illinois → Look up another NPI →
Also registered at 25 N Winfield RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Hossam Abdel Aziz, MDHospitalist Physician1114558145
- Imran Ahmad, M.D.Interventional Cardiology Physician1871760934
- Christopher Ahuja, MDNeurological Surgery Physician1316625288
- Batul Al-Zubeidy, MDSurgery Physician1568725711
- Hia Alazzam, APRN, CRNACertified Registered Nurse Anesthetist1760068167
Verify Crystal J. Otteman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036086512Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average pulmonary disease physician in 2024
3,867 Medicare Part D claims for 605 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 65% of claims.
Most prescribed
- Albuterol Sulfate Hfa503 claims
- Trelegy Ellipta430 claims
- Breo Ellipta280 claims
- Prednisone216 claims
- Azithromycin172 claims
- Arnuity Ellipta168 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Central Dupage Physician GroupWheaton, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Crystal J. Otteman among 617 pulmonary disease physician records in Illinois
Crystal J. Otteman, DO is one of 617 pulmonary disease physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 54% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1990 · median 2005 among the 444 with a school on file
- Record last updated2015 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
11 pulmonary disease physician records list a practice address in Winfield
They are 11 of the 778 NPPES records with a practice address in Winfield, and 617 pulmonary disease physician records in Illinois.
All 617 in Illinois → Every provider in Winfield → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Linda Chan, M.D.Winfield, IL 601901235187253
- David Delapp, DOWinfield, IL 601901366860421
- Andrew Korcek, MDWinfield, IL 601901588630495
- Linda Lam, DOWinfield, IL 601901700839354
- Timothy McGee, DOWinfield, IL 601901023061116
- Steven Pearson, M.D.Winfield, IL 601901144609256
- Mahwish Saim, M.D.Winfield, IL 601901649767997
- Benjamin Seides, MD, MPHWinfield, IL 601901770648073
Common questions
What is Crystal J. Otteman, DO's NPI number?
Crystal J. Otteman, DO's National Provider Identifier (NPI) is 1174578629, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Crystal J. Otteman, DO located?
The NPPES record lists a practice address at 25 N Winfield RD, Winfield, IL, 60190. Phone: (630) 690-4993. Providers update this record themselves, so call before visiting.
How can I verify Crystal J. Otteman, DO's license?
NPPES lists Illinois license number 036086512, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Crystal J. Otteman, DO prescribe under Medicare Part D?
In 2024, Crystal J. Otteman, DO had 3,867 Medicare Part D claims for 605 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Crystal J. Otteman, DO's MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.