John Piper Grimm, M.D.
Diagnostic Radiology Physician · Charlotte, NC
John Piper Grimm, M.D. is a diagnostic radiology physician with a practice address in Charlotte, North Carolina, and NPI 1164606604, issued on Dec 19, 2007. Check the license (North Carolina 2014-00743, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Piper Grimm
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- 2014-00743 NC
A90306 CA
37521 SC
Self-reported in NPPES; status is on the state search - Practice location
- 700 E Morehead St, Charlotte, NC 28202
- Phone
- (704) 334-7800
- Enumerated
- Dec 19, 2007
- Record last updated
- Dec 20, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140712000129); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 1,389 in North Carolina → Look up another NPI →
Also registered at 700 E Morehead St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ole Aassar, M.D.Diagnostic Radiology Physician1053315499
- John Adams, M.D.Diagnostic Radiology Physician1518952068
- Onyinyechi Agbara, MDDiagnostic Radiology Physician1235388794
- Deborah Agisim, M.D.Diagnostic Radiology Physician1154325553
- Vittorio Antonacci, M.D.Diagnostic Radiology Physician1902800329
- Aaron Baer, M.D.Diagnostic Radiology Physician1194952267
Verify John Piper Grimm in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 2014-00743Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Charlotte Radiology PACharlotte, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Piper Grimm among 1,389 diagnostic radiology physician records in North Carolina
John Piper Grimm, M.D. is one of 1,389 diagnostic radiology physician records with a practice address in North Carolina. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 48% of them.
- NPI issued2007 · 48% of these records are older, 45% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2003 · median 2006 among the 998 with a school on file
- Record last updated2017 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
269 diagnostic radiology physician records list a practice address in Charlotte
They are 269 of the 23,603 NPPES records with a practice address in Charlotte, and 1,389 diagnostic radiology physician records in North Carolina.
All 1,389 in North Carolina → Every provider in Charlotte → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Ole Aassar, M.D.Charlotte, NC 282021053315499
- Deborah Agisim, M.D.Charlotte, NC 282021154325553
- Vittorio Antonacci, M.D.Charlotte, NC 282021902800329
- Ross Bellavia, M.D.Charlotte, NC 282021174527592
- Andrew Beloni, M.D.Charlotte, NC 282021932104122
- Christina Chaconas, M.D.Charlotte, NC 282021891790093
- Jonathan Clemente, M.D.Charlotte, NC 282021578568580
- James Coumas, M.D.Charlotte, NC 282021487659363
Common questions
What is John Piper Grimm, M.D.'s NPI number?
John Piper Grimm, M.D.'s National Provider Identifier (NPI) is 1164606604, issued on Dec 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Piper Grimm, M.D. located?
The NPPES record lists a practice address at 700 E Morehead St, Charlotte, NC, 28202. Phone: (704) 334-7800. Providers update this record themselves, so call before visiting.
How can I verify John Piper Grimm, M.D.'s license?
NPPES lists North Carolina license number 2014-00743, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.