John Morgan Mason, DO
Neurology Physician · Wilmington, NC
John Morgan Mason, DO is a neurology physician with a practice address in Wilmington, North Carolina, and NPI 1467039651, issued on Mar 25, 2021. Check the license (North Carolina 2026-03437, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Morgan Mason
- Credential
- DO
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- 2026-03437 NC
20A23754 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1509 Doctors Cir Bldg C, Wilmington, NC 28401
- Phone
- (910) 662-7500
- Enumerated
- Mar 25, 2021
- Record last updated
- Jul 27, 2026
- Medicare enrollment
- Enrolled (PECOS I20250723003536); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 621 in North Carolina → Look up another NPI →
Also registered at 1509 Doctors Cir Bldg C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lillian Brownlow, SLPSpeech-Language Pathologist1336005792
- Lila Byrd, NPNurse Practitioner1366921173
- Nichole Carlton, PA-CPhysician Assistant1669985362
- Danae CoxPhysician Assistant1073269312
- Jennifer Crowley, CRNPNurse Practitioner1548963960
- Danielle Fryar, FNPNurse Practitioner1972954196
Verify John Morgan Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 2026-03437Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average neurology physician in 2024
90 Medicare Part D claims for 21 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.
Most prescribed
- Levetiracetam25 claims
- Mycophenolate Mofetil13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
One hospital affiliation
- Cedars-Sinai Medical CenterWest Hollywood, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
John Morgan Mason among 621 neurology physician records in North Carolina
John Morgan Mason, DO is one of 621 neurology physician records with a practice address in North Carolina. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 97% of them.
- NPI issued2021 · 97% of these records are older, 1% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2021 · median 2005 among the 457 with a school on file
- Record last updated2026 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in North Carolina
There are 621 neurology physician records in North Carolina.
All 621 in North Carolina → Every provider in Wilmington → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Johny Ardeljan, DOWilmington, NC 284011265692073
- William Boles, MDWilmington, NC 284011124349154
- Chih-Cheng Chen, MDWilmington, NC 284011043224504
- Alfred De Maria, MDWilmington, NC 284011619085545
- Karrie Grear, MDWilmington, NC 284011063733517
- Alyson Hommel, MDWilmington, NC 284011649591066
- Matthew Kalp, MDWilmington, NC 284011578882593
- Sara Klein, M.D.Wilmington, NC 284011831620129
Common questions
What is John Morgan Mason, DO's NPI number?
John Morgan Mason, DO's National Provider Identifier (NPI) is 1467039651, issued on Mar 25, 2021. An NPI identifies a provider in billing; it is not a license.
Where is John Morgan Mason, DO located?
The NPPES record lists a practice address at 1509 Doctors Cir Bldg C, Wilmington, NC, 28401. Phone: (910) 662-7500. Providers update this record themselves, so call before visiting.
How can I verify John Morgan Mason, DO's license?
NPPES lists North Carolina license number 2026-03437, 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.
How much does John Morgan Mason, DO prescribe under Medicare Part D?
In 2024, John Morgan Mason, DO had 90 Medicare Part D claims for 21 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions only.
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.