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Edit this profileAt a glance
- 2421 Silver Stream Ln, Wilmington, NC 28401
About Dr. Parker
John C. Parker, M.D. is a healthcare provider in Wilmington, NC specializing in endocrinology, diabetes & metabolism. John trained at University of North Carolina at Chapel Hill School of Medicine, graduating in 1997. According to Medicare claims data, John cared for 5,779 Medicare patients across 14,890 services. The services billed most often include injection, denosumab, 1 mg, insertion of needle into vein for collection of blood sample, and blood test, thyroid stimulating hormone (tsh). This provider record is associated with NPI 1457345928.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (910) 341-3300
- Email not available
Practice Locations
2421 SILVER STREAM LN
Wilmington, NC 28401
Conditions Commonly Evaluated or Treated
Within Endocrinology, Diabetes and Metabolism generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Adrenal disorders
Blood sugar disorders
Bone and calcium disorders
Bones
Pituitary
Pituitary disorders
Thyroid
Thyroid disorders
Most searched conditions
Adrenal
Diabetes
Endocrine tumors
Hormone disorders
- Early or delayed puberty
- Excess facial or body hair
- Gynecomastia
- Perimenopause
- Testosterone deficiency
Hormones
Metabolic disorders
Metabolism
Parathyroid
Procedures & services
Adrenal
Adrenal evaluations
Blood sugar management
Bone evaluations
Bone treatments
Diabetes
- Automated Insulin System Setup
- Blood Ketone Monitoring
- C-Peptide Test
- Continuous Glucose Monitor Data Review
- Starting Insulin Therapy
- Medical nutrition therapy
Diabetes education
Genetic evaluations
Hormone treatments
- Growth Hormone Injections
- Hormone Replacement Therapy Consultation
- Estrogen and Progesterone Therapy
Hormones
Metabolic evaluations
Metabolism
Parathyroid
Pituitary
Pituitary evaluations
Routine Blood Tests
Thyroid
- Thyroid Uptake and Scan
- Thyroid Cyst Alcohol Ablation
Thyroid procedures
- Thyroid Antibody Testing
- Thyroid Medication Adjustment
- Radioactive Iodine Treatment
- Thyroid Blood Test
- Thyroid Nodule Biopsy
- Thyroid Nodule Radiofrequency Ablation
Weight & Metabolism
Women's health
Most searched procedures
Diabetes preventive care
Procedures Most Often Billed to Medicare
14,890 services · 5,779 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
1,209 | More than most peers in Endocrinology, Diabetes &… |
| Ultrasound scan of head and neck soft tissue | Imaging | 76536 |
302 | More than most peers in Endocrinology, Diabetes &… |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
248 | More than most peers in Endocrinology, Diabetes &… |
| Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report | Treatment | 95251 |
229 | More often than most peers in Endocrinology, Diabetes &… |
| Injection, denosumab, 1 mg | Drug given | J0897 |
6,660 | More often than most peers in Endocrinology, Diabetes &… |
| Blood test, thyroid stimulating hormone (tsh) | Lab test | 84443 |
905 | More often than most peers in Endocrinology, Diabetes &… |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
793 | More often than most peers in Endocrinology, Diabetes &… |
| Thyroxine (thyroid chemical), free | Lab test | 84439 |
788 | More than most peers in Endocrinology, Diabetes &… |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
627 | More than most peers in Endocrinology, Diabetes &… |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
459 | More often than most peers in Endocrinology, Diabetes &… |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other endocrinologists at this location 5
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other endocrinologists in Wilmington 4
Same specialty, same city.
More connections — 21 related providers in 3 groups
Trained at University of North Carolina at Chapel Hill School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1997 at University of North Carolina at Chapel Hill School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 5
Providers in NC who bill this service to Medicare most often.
Common questions
What is John C. Parker's specialty?
John C. Parker is an endocrinologist in Wilmington, NC. That is the designation recorded for this NPI in the federal registry, where it is listed as “Endocrinology, Diabetes & Metabolism”.
NPI registry
Where can I find John C. Parker?
John C. Parker is listed at 2421 Silver Stream Ln, Wilmington, NC 28401. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact John C. Parker?
The number on file is (910) 341-3300. Contact the office directly to confirm availability and scheduling.
NPI registry
What is John C. Parker's NPI number?
John C. Parker's National Provider Identifier is 1457345928. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is John C. Parker's education?
John C. Parker attended University of North Carolina at Chapel Hill School of Medicine, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How long has John C. Parker been practicing?
John C. Parker has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What is John C. Parker known for?
According to Medicare billing data, John C. Parker performs procedures including insertion of needle into vein for collection of blood sample; reads or performs imaging such as ultrasound scan of head and neck soft tissue; provides treatments such as injection of drug or substance under skin or into muscle and continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has John C. Parker confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John C. Parker. If this is you, claiming it is free.
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