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

Jon Andrew Grammes, DO

Individual provider Cardiovascular Disease Physician · NPI 1972821593

Jon Andrew Grammes, DO is a Cardiac Electrophysiology in Norfolk, Virginia. Graduated from Philadelphia College of Osteopathic Medicine in 2002, 24 years ago. Practices with Sentara Medical Group, a 1,403-clinician group and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
24
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
VA
In the registry since
2010
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

844 Kempsville Rd Ste 204
Norfolk, VA 23502-3927
Phone: (757) 261-0700
Fax: (757) 261-0701
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Cardiac Electrophysiology Physician (primary) Taxonomy 207RC0001X · Licence 0102202645 (VA)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 0102202645 (VA)

Record details

NPI number1972821593
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 6, 2010
Last updated in NPPESDecember 29, 2023
Certification dateDecember 29, 2023
Mailing address844 Kempsville Rd Ste 204, Norfolk, VA 23502-3927

Medicare enrollment

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

Medicare specialtyCARDIAC ELECTROPHYSIOLOGY
Also practisesCARDIOVASCULAR DISEASE (CARDIOLOGY), NUCLEAR MEDICINE
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2002 (24 years in practice)
Group practice Sentara Medical Group — 1403 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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