Physician Profile
Unclaimed ProfileAbout JOHNSTONE
William Miller Johnstone, M.D. practices family practice in Greenville, NC. William is a 2015 graduate of Brody School of Medicine at East Carolina University. William is also listed as specializing in family medicine. According to Medicare claims data, William cared for 871 Medicare patients across 1,552 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (252) 744-4611
- Email not available
Practice Locations
101 HEART DR
Greenville, NC 27834
Procedures Most Often Billed to Medicare
1,552 services · 871 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
471 |
| Influenza vaccine, inactivated | Treatment | 90653 |
58 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
36 |
| Routine electrocardiogram (ecg) using at least 12 leads with tracing | Treatment | 93005 |
16 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
485 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
223 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
112 |
| Administration of influenza virus vaccine | Billing code | G0008 |
64 |
| Administration of pneumococcal vaccine | Billing code | G0009 |
36 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
25 |
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 family practices at this location 7
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 family practices in Greenville 6
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Brody School of Medicine at East Carolina University 8
Other providers in the same specialty who trained at the same institution.
Class of 2015 at Brody School of Medicine at East Carolina University 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 8
Providers in NC who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Johnstone?
Dr. Johnstone is a family practice in Greenville, NC. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
What is Dr. Johnstone's address?
Dr. Johnstone is listed at 101 HEART DR, Greenville, NC 27834. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Johnstone?
The number on file is (252) 744-4611. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Johnstone's NPI number?
Dr. Johnstone's National Provider Identifier is 1326433046. 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
Where did Dr. Johnstone train?
Dr. Johnstone attended Brody School of Medicine at East Carolina University, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Johnstone been practicing?
Dr. Johnstone has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Johnstone perform?
According to Medicare billing data, Dr. Johnstone performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as influenza vaccine, inactivated and pneumococcal conjugate vaccine, 20 valent , for intramuscular use, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Johnstone confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Johnstone. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.