Based in Niagara, WI, John Lloyd Loewen, M.D. is listed in the NPI registry under family practice. John is also listed as specialising in family medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Loewen is a family practice in Niagara, WI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
Dr. Loewen is listed at 615 WASHINGTON AVE, Niagara, WI 54151. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (715) 251-3104. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Loewen's National Provider Identifier is 1376693770. 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
Dr. Loewen attended Other, graduating in 1975. This comes from the CMS National Downloadable File.
CMS public data
Dr. Loewen has 51 years experience. Calculated from a graduation year of 1975, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Loewen performs procedures including insertion of needle into vein for collection of blood sample and aspiration and/or injection of fluid from large joint; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and test to measure expiratory airflow and volume, 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 Dr. Loewen. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
615 WASHINGTON AVE
Niagara, WI 54151
5,869 services · 1,377 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
479 |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
48 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
181 |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
139 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
55 |
| Administration of psychological or neuropsychological test by technician, first 30 minutes | Treatment | 96138 |
52 |
| Evaluation of neuropsychological test, first hour | Treatment | 96132 |
52 |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
37 |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
21 |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
2,274 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileConnections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Providers in WI who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.