Physician Profile
Unclaimed ProfileAbout STEPAN
Based in Chicago, IL, Katelyn Ostendorf Stepan, MD is listed in the NPI registry under otolaryngology. Katelyn graduated from Washington University School of Medicine in 2014. Katelyn is also listed as specializing in otolaryngology (ent). Medicare claims data shows Katelyn provided 512 services to 385 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (312) 695-8182
- Email not available
Practice Locations
676 N SAINT CLAIR ST STE 1200
Chicago, IL 60611
Procedures Most Often Billed to Medicare
512 services · 385 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
168 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
159 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
62 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
54 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
36 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
22 |
| Telephone medical discussion with physician, 21-30 minutes | Office visit | 99443 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other otolaryngology specialists in Chicago 8
Same specialty, same city.
Trained at Washington University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2014 at Washington University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of voice box using a flexible endoscope 8
Providers in IL who bill this service to Medicare most often.
Common questions
What is Dr. Stepan's specialty?
Dr. Stepan is an otolaryngology in Chicago, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OTOLARYNGOLOGY”.
NPI registry
Where can I find Dr. Stepan?
Dr. Stepan is listed at 676 N SAINT CLAIR ST STE 1200, Chicago, IL 60611. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Stepan?
The number on file is (312) 695-8182. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Stepan?
Dr. Stepan's National Provider Identifier is 1326468489. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Stepan's medical education?
Dr. Stepan attended Washington University School of Medicine, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Stepan have?
Dr. Stepan has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Stepan known for?
According to Medicare billing data, Dr. Stepan performs procedures including diagnostic exam of voice box using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Stepan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Stepan. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.