Physician Profile
David A. Horwitz, M.D.
Unclaimed ProfileAbout Dr. Horwitz
David A. Horwitz, M.D. is a healthcare provider in Scottsdale, AZ specializing in internal medicine. David trained at St. Louis College of Physicians and Surgeons, graduating in 2010. Medicare claims data shows David provided 107 services to 105 patients. The services billed most often include emergency department visit with high level of medical decision making, emergency department visit with moderate level of medical decision making, and routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
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.
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
- (650) 785-2545
- Email not available
Practice Locations
14633 N 58TH ST
Scottsdale, AZ 85254
Conditions Commonly Evaluated or Treated
Within Internal 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
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
Procedures Most Often Billed to Medicare
107 services · 105 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
20 | |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
53 | As often as other peers in Internal Medicine |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
34 |
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.
Other internists in Scottsdale 8
Same specialty, same city.
Trained at St. Louis College of Physicians and Surgeons 8
Other providers in the same specialty who trained at the same institution.
Class of 2010 at St. Louis College of Physicians and Surgeons 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 8
Providers in AZ who bill this service to Medicare most often.
Common questions
What does David A. Horwitz specialize in?
David A. Horwitz is an internist in Scottsdale, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is David A. Horwitz located?
David A. Horwitz is listed at 14633 N 58Th St, Scottsdale, AZ 85254. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is David A. Horwitz's phone number?
The number on file is (650) 785-2545. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for David A. Horwitz?
David A. Horwitz's National Provider Identifier is 1942512199. 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 David A. Horwitz train?
David A. Horwitz attended St. Louis College of Physicians and Surgeons, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
How much experience does David A. Horwitz have?
David A. Horwitz has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
What does David A. Horwitz do most often?
According to Medicare billing data, David A. Horwitz provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is David A. Horwitz's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by David A. Horwitz. 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.