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Edit this profileAt a glance
- 2350 N Rockton Ave, Rockford, IL 61103
About Marisha Cook
Based in Rockford, IL, Marisha L. Cook, M. D is listed in the NPI registry under allergy. According to Medicare claims data, Marisha cared for 192 Medicare patients across 767 services. The services billed most often include test for allergy using allergenic extract, professional service for preparation and provision of 1 or more antigens, and test for allergy using allergenic extract injected into skin. NPI 1356487904 identifies this record in the national registry.
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
- (815) 971-2000
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
2350 N ROCKTON AVE
Rockford, IL 61103
Procedures Most Often Billed to Medicare
767 services · 192 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Test for allergy using allergenic extract | Treatment | 95004 |
274 | Less often than most peers in Allergy |
| Professional service for preparation and provision of 1 or more antigens | Treatment | 95165 |
205 | Less often than most peers in Allergy |
| Test for allergy using allergenic extract injected into skin | Treatment | 95024 |
106 | Less often than most peers in Allergy |
| Test for allergy using combination of methods with drug or biological | Treatment | 95018 |
30 | Less often than most peers in Allergy |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
95 | More often than most peers in Allergy |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
30 | More often than most peers in Allergy |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
27 | As often as other peers in Allergy |
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.
Related specialists at this location 2
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.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2006 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Test for allergy using allergenic extract 8
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is Marisha L. Cook?
Marisha L. Cook is an allergy in Rockford, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Marisha L. Cook's address?
Marisha L. Cook is listed at 2350 N Rockton Ave, Rockford, IL 61103. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Marisha L. Cook?
The number on file is (815) 971-2000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Marisha L. Cook's NPI number?
Marisha L. Cook's National Provider Identifier is 1356487904. 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 Marisha L. Cook train?
Marisha L. Cook attended Other, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How long has Marisha L. Cook been practicing?
Marisha L. Cook has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What procedures does Marisha L. Cook perform?
According to Medicare billing data, Marisha L. Cook provides treatments such as test for allergy using allergenic extract and professional service for preparation and provision of 1 or more antigens, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Marisha L. Cook confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Marisha L. Cook. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.