Active NPI
Jonathan David Knapp, MD
- Internal Medicine Physician
- Sierra Vista, AZ
National Provider Identifier
1942930623
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 77862
- Practice address
- 5700 E Highway 90
Sierra Vista, AZ 85635-9110 - Phone
- (520) 263-2000
- NPI assigned
- Jun 14, 2022
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 77862 | AZ | Primary |
Addresses
Primary practice location
5700 E Highway 90
Sierra Vista, AZ 85635-9110
Mailing address
2500 El Camino Real
Sierra Vista, AZ 85635-5900
Phone (520) 227-5161
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in AZ
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- Other, 2021
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
5700 E Hwy 90
Sierra Vista, AZ 85635-9110
Phone (520) 417-4594
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 77862 | AZ | MD | Internal Medicine Physician |
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Internal Medicine Physician
- Sierra Vista, AZ
- NPI 1568758266
-
- Emergency Medicine Physician
- Sierra Vista, AZ
- NPI 1700328663
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Sierra Vista, AZ
- NPI 1194766543
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1655164800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1771804800000",
"number": "1942930623",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2500 EL CAMINO REAL",
"city": "SIERRA VISTA",
"state": "AZ",
"postal_code": "856355900",
"telephone_number": "520-227-5161"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "5700 E HIGHWAY 90",
"city": "SIERRA VISTA",
"state": "AZ",
"postal_code": "856359110",
"telephone_number": "520-263-2000"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KNAPP",
"first_name": "JONATHAN",
"middle_name": "DAVID",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2022-06-14",
"last_updated": "2026-02-23",
"certification_date": "2026-02-23",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "AZ",
"license": "77862",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Sierra Vista, AZ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.