Physician Profile
Mark Timothy Monahan, M.D.
Unclaimed ProfileAbout Dr. Monahan
Based in Dixon, IL, Mark Timothy Monahan, M.D. is listed in the NPI registry under emergency medicine. Mark graduated from University of Chicago, Pritzker School of Medicine in 2000. Medicare claims data shows Mark provided 531 services to 509 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
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (815) 288-5531
- Email not available
Practice Locations
403 E 1ST ST
Dixon, IL 61021
Procedures Most Often Billed to Medicare
531 services · 509 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
42 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
209 |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
118 |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
108 |
| Critical care, first 30-74 minutes | Office visit | 99291 |
54 |
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.
Other emergency medicines at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 29 related providers in 4 groups
Other emergency medicines in Dixon 5
Same specialty, same city.
Trained at University of Chicago, Pritzker School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at University of Chicago, Pritzker School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Monahan?
Dr. Monahan is an emergency medicine in Dixon, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “EMERGENCY MEDICINE”.
NPI registry
What is Dr. Monahan's address?
Dr. Monahan is listed at 403 E 1ST ST, Dixon, IL 61021. 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. Monahan?
The number on file is (815) 288-5531. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Monahan?
Dr. Monahan's National Provider Identifier is 1518998327. 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. Monahan train?
Dr. Monahan attended University of Chicago, Pritzker School of Medicine, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Monahan have?
Dr. Monahan has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Monahan perform?
According to Medicare billing data, Dr. Monahan provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Monahan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Monahan. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.