Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Jonathan Arn Hemphill, MD

Individual provider Cardiovascular Disease Physician · NPI 1952405326

Jonathan Arn Hemphill, MD is a Cardiovascular Disease (Cardiology) in Carmichael, California. Qualified in 1982, 44 years ago. Practices with Dignity Health Medical Foundation, a 1,204-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
44
Licensed in
CA
In the registry since
2006
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

6555 Coyle Ave Ste 280
Carmichael, CA 95608-0302
Phone: (916) 536-3560
Fax: (916) 536-3567
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence A44304 (CA)

Record details

NPI number1952405326
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 7, 2006
Last updated in NPPESMarch 4, 2026
Certification dateMarch 4, 2026
Mailing address3400 Data Dr, Rancho Cordova, CA 95670-7956

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolOTHER
Graduated 1982 (44 years in practice)
Group practice Dignity Health Medical Foundation — 1204 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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