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Edit this profileAt a glance
- 1150 Foster Ave, Arcata, CA 95521
About David Horwitz
Listed in the NPI registry as a physician assistant — medical, David J. Horwitz, PAC practices in Arcata, CA. Medicare claims data shows David provided 143 services to 97 patients. The services billed most often include hemoglobin a1c level, urinalysis using microscope, and routine electrocardiogram (ecg) using at least 12 leads with tracing. NPI 1386739845 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
- (707) 826-8610
- Email not available
Practice Locations
1150 FOSTER AVE
Arcata, CA 95521
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
Most searched conditions
- Common cold
- Diabetes
- Flu
- High blood pressure
- Sinus infection
- UTI
Allergies
- Hives
- Seasonal allergies
Blood
Bone and joint
Digestive
- Acid reflux
- IBS
- Stomach Bug and Food Poisoning
Digestive health
- Constipation
- Fatty liver disease
- Hemorrhoids
Ear, Nose & Throat
- Ear infection
Endocrine
Eye Care
Foot and ankle
General Health
Hair and scalp
Headache and brain
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
- Erectile dysfunction
Mental Health
Metabolic
Nerve conditions
Neurology
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
Women's Health
Procedures & services
Most searched procedures
- Annual physical exam
- Routine blood work
- Sick visit
- Sports physical
- Suture removal
- Vaccination
Allergies
- Allergy Testing and Shots
Counseling
- Smoking cessation counseling
Dermatology
- Cryotherapy for skin lesions
- Skin biopsy
- Skin Tag Removal
Diagnostic Tests
- COVID-19 Rapid Test
- Mono Rapid Test
- Rapid Flu Swab
- Rapid strep testing
- TB Skin Test
- Urine Drug Screen
- Urine Pregnancy Test
Ear, Nose & Throat
- Earwax removal
- Removal of Foreign Object from Ear or Nose
Evaluations
- Pre-Op Clearance Exam
Exams
- DOT Physical Exam
- Medicare annual wellness visit
- Pre-Employment Physical
- School and camp physical
General Care
- Prescription Refill Visit
- Wound Care and Dressing Change
Heart & Circulation
- EKG
Heart health
- Heart monitor
Hormones
- Hormone replacement therapy consult
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
Women's health
Procedures Most Often Billed to Medicare
143 services · 97 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with tracing | Treatment | 93005 |
19 | As often as other peers in Physician Assistant — Medical |
| Hemoglobin a1c level | Lab test | 83036 |
63 | More often than most peers in Physician Assistant — Medical |
| Urinalysis using microscope | Lab test | 81015 |
46 | Too few peers to compare |
| Testing for presence of drug, read by direct observation | Lab test | 80305 |
15 | 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 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
Other physician assistants in Arcata 4
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1979 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with tracing 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is David J. Horwitz's specialty?
David J. Horwitz is a physician assistant in Arcata, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Physician Assistant — Medical”.
NPI registry
Where can I find David J. Horwitz?
David J. Horwitz is listed at 1150 Foster Ave, Arcata, CA 95521. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact David J. Horwitz?
The number on file is (707) 826-8610. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for David J. Horwitz?
David J. Horwitz's National Provider Identifier is 1386739845. 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
What is David J. Horwitz's education?
David J. Horwitz attended Other, graduating in 1979. This comes from the CMS National Downloadable File.
CMS public data
How much experience does David J. Horwitz have?
David J. Horwitz has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.
CMS public data
What is David J. Horwitz known for?
According to Medicare billing data, David J. Horwitz provides treatments such as routine electrocardiogram using at least 12 leads with tracing, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is David J. Horwitz's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by David J. Horwitz. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.