Provider Profile
Teresa A. Fesen, FNP-BC
Unclaimed ProfileAbout Teresa Fesen
Teresa A. Fesen, FNP-BC is a nurse practitioner based in Springfield, IL. Teresa is also listed as specializing in nurse practitioner — family. Medicare claims data shows Teresa provided 304 services to 228 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, hemoglobin a1c level, and continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report. The provider's National Provider Identifier (NPI) is 1437402575.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (217) 545-8000
- Email not available
Practice Locations
751 N RUTLEDGE ST SUITE 0300
Springfield, IL 62702
Procedures Most Often Billed to Medicare
304 services · 228 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | Treatment | 95251 |
59 | As often as other peers in Nurse Practitioner |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
111 | As often as other peers in Nurse Practitioner |
| Hemoglobin a1c level | Lab test | 83036 |
64 | More often than most peers in Nurse Practitioner |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
54 | As often as other peers in Nurse Practitioner |
| Creatinine level to test for kidney function or muscle injury | Lab test | 82570 |
16 | Less often than most peers in Nurse Practitioner |
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 nurse practitioners at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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 — 32 related providers in 4 groups
Other nurse practitioners in Springfield 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2012 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 8
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is Teresa A. Fesen?
Teresa A. Fesen is a nurse practitioner in Springfield, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Teresa A. Fesen's address?
Teresa A. Fesen is listed at 751 N Rutledge St Suite 0300, Springfield, IL 62702. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Teresa A. Fesen?
The number on file is (217) 545-8000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Teresa A. Fesen?
Teresa A. Fesen's National Provider Identifier is 1437402575. 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 Teresa A. Fesen train?
Teresa A. Fesen attended Other, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Teresa A. Fesen have?
Teresa A. Fesen has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What procedures does Teresa A. Fesen perform?
According to Medicare billing data, Teresa A. Fesen provides treatments such as continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Teresa A. Fesen's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Teresa A. Fesen. If this is you, claiming it is free.
Guide.md
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