John C. Parker, M.D.
Endocrinology, Diabetes & Metabolism Physician · Wilmington, NC
John C. Parker, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Wilmington, North Carolina, and NPI 1457345928, issued on Sep 9, 2005. Check the license (North Carolina 200100175, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- John C. Parker
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 200100175 NC
Self-reported in NPPES; status is on the state search - Practice location
- 2421 Silver Stream LN, Wilmington, NC 28401
- Phone
- (910) 341-3300
- Enumerated
- Sep 9, 2005
- Record last updated
- Feb 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (910) 815-2882
- Medicaid ID
- 89134U7 NC
- Medicare enrollment
- Enrolled (PECOS I20040423000787); accepts Medicare assignment
- Medical or professional school
- University Of North Carolina At Chapel Hill School Of Medicine, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 289 in North Carolina → Look up another NPI →
Also registered at 2421 Silver Stream LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Benfield, P.A.Physician Assistant1700972890
- Gina Berthold, M.D.Infectious Disease Physician1477768182
- Caryn Bowden, FNPPediatric Nurse Practitioner1508923368
- Seth Braunstein, MDEndocrinology, Diabetes & Metabolism Physician1427080720
- Carol Bryant, LCSWClinical Social Worker1235463829
- Kelly Capobianco, FNPNurse Practitioner1972843969
Verify John C. Parker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 200100175Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
5,729 Medicare Part D claims for 1,001 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims. 22 claims were for opioids.
Most prescribed
- Levothyroxine Sodium866 claims
- Synthroid513 claims
- Ozempic325 claims
- Metformin Hcl Er284 claims
- Liothyronine Sodium263 claims
- Methimazole164 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.
The MIPS final score for 2023 (Medicare payment program): 82.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $33,377.99
164 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Raleigh Medical Group PARaleigh, NC
- Wilmington Health PLLCWilmington, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John C. Parker among 289 endocrinology, diabetes & metabolism physician records in North Carolina
John C. Parker, M.D. is one of 289 endocrinology, diabetes & metabolism physician records with a practice address in North Carolina. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1997 · median 2003 among the 203 with a school on file
- Record last updated2021 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in North Carolina
There are 289 endocrinology, diabetes & metabolism physician records in North Carolina.
All 289 in North Carolina → Every provider in Wilmington → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Seth Braunstein, MDWilmington, NC 284011427080720
- Michael Favorito, MDWilmington, NC 284011558669176
- Stuart Ley, M.D.Wilmington, NC 284011568490357
- Sean McCalmon, D.O.Wilmington, NC 284011073044988
- Michael McGarrity, M.D.Wilmington, NC 284011366436222
- Negin Misaghian-Xanthos, M.D.Wilmington, NC 284011154688026
- Maya Peltsverger, MDWilmington, NC 284031891998571
- Liudmila YesaulavaWilmington, NC 284031457779944
Common questions
What is John C. Parker, M.D.'s NPI number?
John C. Parker, M.D.'s National Provider Identifier (NPI) is 1457345928, issued on Sep 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John C. Parker, M.D. located?
The NPPES record lists a practice address at 2421 Silver Stream LN, Wilmington, NC, 28401. Phone: (910) 341-3300. Providers update this record themselves, so call before visiting.
How can I verify John C. Parker, M.D.'s license?
NPPES lists North Carolina license number 200100175, 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 C. Parker, M.D. prescribe under Medicare Part D?
In 2024, John C. Parker, M.D. had 5,729 Medicare Part D claims for 1,001 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is John C. Parker, M.D.'s MIPS final score?
The 2023 MIPS final score is 82.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.