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Edit this profileAt a glance
- 615 Washington Ave, Niagara, WI 54151
About Dr. Loewen
Based in Niagara, WI, John L. Loewen, M.D. is listed in the NPI registry under family practice. John is also listed as specializing in family medicine. According to Medicare claims data, John cared for 1,377 Medicare patients across 5,869 services. The services billed most often include injection, methylprednisolone acetate, 1 mg, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and 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'. NPI 1376693770 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
- (715) 251-3104
- Email not available
Practice Locations
615 WASHINGTON AVE
Niagara, WI 54151
Conditions Commonly Evaluated or Treated
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
- High blood pressure
- High cholesterol
Digestive
- Acid reflux
- IBS
Genitourinary and reproductive
- Erectile dysfunction
- Heavy periods
Musculoskeletal and pain
- Gout
- Heel pain
Neurologic and behavioral
- ADHD
- Anxiety
- Depression
- Insomnia
- Migraines
Respiratory and infectious
- Acute bronchitis
- Asthma
- Sinus infection
Skin
- Acne
- Eczema
Common childhood and ear conditions
- Ear infection
- Pink eye
Pain & Joints
- Arthritis
- Back pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive interventions
- Birth control counseling
- Smoking cessation counseling
Screening and testing
- Cholesterol screening
- Depression screening
- Diabetes and prediabetes screening
- EKG
Diagnostic Tests
- COVID-19 testing
- Rapid Strep and Flu Swabs
- Urine Drug Screen
Exams & Screenings
- Camp and School Physical
- Pre-Op Clearance Exam
Foot and Leg Pain
- Toenail Fungus Treatment
Heart & Circulation
- Blood Pressure Check
Injections
- Immunotherapy
- Vitamin B12 Injections
Lungs & Breathing
- Pulmonary function test
Minor Procedures
- Burn and Wound Care
- Ingrown toenail removal
- Suture removal
Occupational Health
- DOT Physical
Office procedures
- Earwax removal
- Incision and drainage of an abscess
- Superficial foreign-body removal
Pain Management
- Joint injections
Preventive Care
- Chronic Illness Checkup
- Routine Vaccines
- Travel Vaccines And Consult
Respiratory
- Breathing Treatment
Senior Care
- Cognitive Assessment
Sexual & Reproductive Health
- STD Swabs and Screening
Skin Procedures
- Cyst Removal
- Precancerous Sun Spot Freezing
- Skin Tag Removal
- Wart Removal
Sleep Health
- At-Home Sleep Study Order
Urgent Care Procedures
- Stitches and Laceration Repair
Wellness & Weight
- Weight Management Consult
Women's Health
- Hormone Replacement Therapy Consultation
Procedures Most Often Billed to Medicare
5,869 services · 1,377 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
479 | More often than most peers in Family Practice |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
48 | More often than most peers in Family Practice |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
181 | More than most peers in Family Practice |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
139 | More than most peers in Family Practice |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
55 | More often than most peers in Family Practice |
| Administration of psychological or neuropsychological test by technician, first 30 minutes | Treatment | 96138 |
52 | More often than most peers in Family Practice |
| Evaluation of neuropsychological test, first hour | Treatment | 96132 |
52 | More often than most peers in Family Practice |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
37 | As often as other peers in Family Practice |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
21 | Less often than most peers in Family Practice |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
2,274 | More often than most peers in Family Practice |
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.
Also at this address 1
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 1975 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in WI who bill this service to Medicare most often.
Common questions
What does John L. Loewen specialize in?
John L. Loewen is a family practice in Niagara, WI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is John L. Loewen located?
John L. 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
What is John L. Loewen's phone number?
The number on file is (715) 251-3104. Contact the office directly to confirm availability and scheduling.
NPI registry
What is John L. Loewen's NPI number?
John L. 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
Where did John L. Loewen train?
John L. Loewen attended Other, graduating in 1975. This comes from the CMS National Downloadable File.
CMS public data
How long has John L. Loewen been practicing?
John L. Loewen has 51 years experience. Calculated from a graduation year of 1975, reported in the CMS National Downloadable File.
CMS public data
What does John L. Loewen do most often?
According to Medicare billing data, John L. 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
Has John L. Loewen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John L. Loewen. If this is you, claiming it is free.
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