Provider Profile
Carol B. Barlow, ARNP is a nurse practitioner based in Marshalltown, IA. According to Medicare claims data, Carol cared for 2,855 Medicare patients across 7,523 services. The services billed most often include low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and insertion of needle into vein for collection of blood sample.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
421 E MERLE HIBBS BLVD
Marshalltown, IA 50158
7,523 services · 2,855 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
641 | More than most peers in Nurse Practitioner |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
83 | More than most peers in Nurse Practitioner |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
49 | More than most peers in Nurse Practitioner |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
49 | More than most peers in Nurse Practitioner |
| Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | Billing code | Q9967 |
2,578 | More often than most 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 |
689 | More than most peers in Nurse Practitioner |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
582 | More than most peers in Nurse Practitioner |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
470 | More than most peers in Nurse Practitioner |
| Blood test, lipids (cholesterol and triglycerides) | Lab test | 80061 |
416 | More than most peers in Nurse Practitioner |
| Hemoglobin a1c level | Lab test | 83036 |
262 | More than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Carol B. Barlow is a nurse practitioner in Marshalltown, IA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Carol B. Barlow is listed at 421 E Merle Hibbs Blvd, Marshalltown, IA 50158. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (641) 752-5469. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Carol B. Barlow's National Provider Identifier is 1225592074. 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
Carol B. Barlow attended Other, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
Carol B. Barlow has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Carol B. Barlow performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as influenza vaccine split virus, preservative free and sarscov2 vac 50 mcg/0.5ml im, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Carol B. Barlow. 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.