Physician Profile
Unclaimed ProfileAbout Dr. Sullivan
William P. Sullivan, D.O. practices emergency medicine in Frankfort, IL. William is a 1992 graduate of New York College of Osteo Medicine of New York Institute of Technology. Medicare claims data shows William provided 419 services to 409 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
- (877) 778-5449
- Email not available
Practice Locations
21200 S LA GRANGE RD # 365
Frankfort, IL 60423
Procedures Most Often Billed to Medicare
419 services · 409 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
172 |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
112 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
76 |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
59 |
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.
Trained at New York College of Osteo Medicine of New York Institute of Technology 8
Other providers in the same specialty who trained at the same institution.
Class of 1992 at New York College of Osteo Medicine of New York Institute of Technology 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Sullivan?
Dr. Sullivan is an emergency medicine in Frankfort, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “EMERGENCY MEDICINE”.
NPI registry
What is Dr. Sullivan's address?
Dr. Sullivan is listed at 21200 S LA GRANGE RD # 365, Frankfort, IL 60423. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Sullivan?
The number on file is (877) 778-5449. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Sullivan?
Dr. Sullivan's National Provider Identifier is 1902911027. 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
Where did Dr. Sullivan train?
Dr. Sullivan attended New York College of Osteo Medicine of New York Institute of Technology, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Sullivan have?
Dr. Sullivan has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Sullivan perform?
According to Medicare billing data, Dr. Sullivan the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Sullivan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sullivan. 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.