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- 450 Old Abe Rd, Lac Du Flambeau, WI 54538
About John Filz
John M. Filz, P.A. is a physician assistant — medical based in Lac Du Flambeau, WI. John is a 1989 graduate of University of Wisconsin School of Medicine. According to Medicare claims data, John cared for 436 Medicare patients across 610 services. The services billed most often include blood test, comprehensive group of blood chemicals, complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count, and manual urinalysis test with examination using microscope, automated. The provider's National Provider Identifier (NPI) is 1447205794.
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) 588-3371
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
450 OLD ABE RD
Lac Du Flambeau, WI 54538
Conditions and Services Within This Provider's Scope
Within Physician Assistant - Medical 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
Digestive
- Stomach Bug and Food Poisoning
- Acid reflux
- IBS
Most searched conditions
- Common cold
- Diabetes
- Flu
- High blood pressure
- Sinus infection
- UTI
Allergies
Blood
Bone and joint
- Osteoporosis
- Tendinitis and tendinopathy
Digestive health
- Constipation
- Fatty liver disease
- Hemorrhoids
Ear, Nose & Throat
- Ear infection
Endocrine
Eye Care
Foot and ankle
General Health
- Chronic fatigue
Hair and scalp
Headache and brain
- Tension headaches
Heart & Circulation
Hormones
- Perimenopause
- Testosterone deficiency
Infections
- Cellulitis
- COVID-19
- Herpes simplex of the skin
- Ringworm
- Strep throat
Injury
- Sprains and muscle strains
Men's Health
Mental Health
Metabolic
Nerve conditions
- Carpal tunnel
- Sciatica
Neurology
- Dizziness and vertigo
- Migraines
Pain
- Gout
- Low back pain
- Osteoarthritis
- Whiplash
Respiratory
- Acute bronchitis
- Asthma
- Community-acquired pneumonia
Sexual Health
- Sexually transmitted infections
Skin
Skin cancer
- Precancerous sun spot
Skin conditions
- Rosacea
Sleep
- Insomnia and Sleep Problems
Women's Health
Procedures & services
Diagnostic Tests
- COVID-19 Rapid Test
- Rapid Flu Swab
- Urine Pregnancy Test
- Mono Rapid Test
- Rapid strep testing
- TB Skin Test
- Urine Drug Screen
Exams
- School and camp physical
- DOT Physical Exam
- Medicare annual wellness visit
- Pre-Employment Physical
Most searched procedures
- Annual physical exam
- Routine blood work
- Sick visit
- Sports physical
- Suture removal
- Vaccination
Allergies
- Allergy Testing and Shots
Counseling
Dermatology
- Cryotherapy for skin lesions
- Skin biopsy
- Skin Tag Removal
Ear, Nose & Throat
- Earwax removal
- Removal of Foreign Object from Ear or Nose
Evaluations
- Pre-Op Clearance Exam
General Care
- Prescription Refill Visit
- Wound Care and Dressing Change
Heart & Circulation
- EKG
Heart health
- Heart monitor
Hormones
Injections
- Bursa injection
- Joint injection or aspiration
- Vitamin B12 Injections
Injury Care
- Burn Treatment
- Splinting and temporary casting
Lab tests
- Cholesterol screening
- Hemoglobin A1c Test
- Thyroid Blood Test
- Urinalysis
Mental Health
- Depression screening
Metabolic
- Weight Loss Medication Consultation
Minor surgery
- Cyst Removal
Minor Surgery
- Incision and drainage of an abscess
- Ingrown toenail removal
- Minor laceration repair
- Superficial foreign-body removal
Pain Management
- Trigger-point injection
Prevention
- Travel health clinic and vaccines
Respiratory
- Asthma Action Plan Consultation
- Nebulizer Breathing Treatment
Screening
- Blood Pressure Check and Monitoring
- STI and STD Screening
Skin procedures
- Mole Check
- Mole removal
- Wart Removal
Treatments
- IV hydration for cancer patients
Virtual care
- Virtual doctor visit
Women's Health
- Birth control counseling
- Well-woman exam
Women's health
- Pap smear
Procedures Most Often Billed to Medicare
610 services · 436 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
50 | As often as other peers in Physician Assistant — Medical |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
83 | More often than most peers in Physician Assistant — Medical |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
81 | More often than most peers in Physician Assistant — Medical |
| Manual urinalysis test with examination using microscope, automated | Lab test | 81001 |
72 | More often than most peers in Physician Assistant — Medical |
| Hemoglobin a1c level | Lab test | 83036 |
71 | More often than most peers in Physician Assistant — Medical |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
68 | As often as other peers in Physician Assistant — Medical |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
57 | As often as other peers in Physician Assistant — Medical |
| Blood test, lipids (cholesterol and triglycerides) | Lab test | 80061 |
53 | As often as other peers in Physician Assistant — Medical |
| Blood test, thyroid stimulating hormone (tsh) | Lab test | 84443 |
44 | As often as other peers in Physician Assistant — Medical |
| Urine microalbumin (protein) level | Lab test | 82043 |
18 | Less often than most peers in Physician Assistant — Medical |
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 3
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 University of Wisconsin School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1989 at University of Wisconsin School of Medicine 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 M. Filz specialize in?
John M. Filz is a physician assistant in Lac Du Flambeau, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Physician Assistant — Medical”.
NPI registry
Where is John M. Filz located?
John M. Filz is listed at 450 Old Abe Rd, Lac Du Flambeau, WI 54538. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is John M. Filz's phone number?
The number on file is (715) 588-3371. Contact the office directly to confirm availability and scheduling.
NPI registry
What is John M. Filz's NPI number?
John M. Filz's National Provider Identifier is 1447205794. 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 M. Filz train?
John M. Filz attended University of Wisconsin School of Medicine, graduating in 1989. This comes from the CMS National Downloadable File.
CMS public data
How long has John M. Filz been practicing?
John M. Filz has 37 years experience. Calculated from a graduation year of 1989, reported in the CMS National Downloadable File.
CMS public data
What does John M. Filz do most often?
According to Medicare billing data, John M. Filz performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has John M. Filz confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John M. Filz. If this is you, claiming it is free.
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