Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. David Joseph Knapp, MD

Individual provider Internal Medicine Physician · NPI 1376735613

Dr. David Joseph Knapp, MD is an Internal Medicine in Sierra Vista, Arizona. Qualified in 1984, 42 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
42
Licensed in
AZ
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

75 Colonia De Salud Ste 200A
Sierra Vista, AZ 85635-2487
Phone: (520) 458-8145
Fax: (877) 771-1056
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 23368 (AZ)

Record details

NPI number1376735613
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 10, 2007
Last updated in NPPESJune 10, 2020
Certification dateJune 10, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesFAMILY PRACTICE
Medical schoolOTHER
Graduated 1984 (42 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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