William Miller Johnstone, M.D.
Family Medicine Physician · Greenville, NC
William Miller Johnstone, M.D. is a family medicine physician with a practice address in Greenville, North Carolina, and NPI 1326433046, issued on Mar 31, 2015. Check the license (North Carolina 2018-02894, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Miller Johnstone
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 2018-02894 NC
Self-reported in NPPES; status is on the state search - Practice location
- 101 Heart Dr, Greenville, NC 27834
- Phone
- (252) 744-4611
- Enumerated
- Mar 31, 2015
- Record last updated
- Jun 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (252) 744-3201
- Medicare enrollment
- Enrolled (PECOS I20200422003390); accepts Medicare assignment
- Medical or professional school
- Brody School Of Medicine At East Carolina University, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 4,953 in North Carolina → Look up another NPI →
Also registered at 101 Heart Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly Adams, FNP-CFamily Nurse Practitioner1275290231
- Robin Adams, MDFamily Medicine Physician1275594764
- Wasl Al Adsani, DOFamily Medicine Physician1437128196
- Leonna AmeduiteFamily Nurse Practitioner1063000164
- Megan Anderson, FNP-BCFamily Nurse Practitioner1407103112
- Kathleen Ascanio, MS, RDN, LDNRegistered Dietitian1225505779
Verify William Miller Johnstone in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 2018-02894Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average family medicine physician in 2024
2,884 Medicare Part D claims for 253 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 32 claims were for opioids.
Most prescribed
- Atorvastatin Calcium174 claims
- Amlodipine Besylate145 claims
- Rosuvastatin Calcium102 claims
- Levothyroxine Sodium99 claims
- Omeprazole91 claims
- Escitalopram Oxalate81 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 practice group's MIPS final score for 2023 (Medicare payment program): 88.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $908.55
40 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 55,478 providers of this specialty with any payment received $902.55 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 one group practice
- Fhpg LLCSouthern Pines, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Miller Johnstone among 4,953 family medicine physician records in North Carolina
William Miller Johnstone, M.D. is one of 4,953 family medicine 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 2015, is newer than 75% of them.
- NPI issued2015 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2015 · median 2006 among the 3,104 with a school on file
- Record last updated2021 · 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 207Q00000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
119 family medicine physician records list a practice address in Greenville
They are 119 of the 5,742 NPPES records with a practice address in Greenville, and 4,953 family medicine physician records in North Carolina.
All 4,953 in North Carolina → Every provider in Greenville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Emily Bray, M.D.Greenville, NC 278341013914407
- Dorothy Butler, M.D. , PHD.Greenville, NC 278341467450114
- Janice Daugherty, MDGreenville, NC 278341619978616
- Curtis Eshelman, MDGreenville, NC 278341609877174
- Andrew Fletcher, M.D.Greenville, NC 278341821087800
- Cynda Johnson, MD MBAGreenville, NC 278341750375598
- Gregory Knapp, MDGreenville, NC 278341801888227
- Lars Larsen, MDGreenville, NC 278341710979026
Common questions
What is William Miller Johnstone, M.D.'s NPI number?
William Miller Johnstone, M.D.'s National Provider Identifier (NPI) is 1326433046, issued on Mar 31, 2015. An NPI identifies a provider in billing; it is not a license.
Where is William Miller Johnstone, M.D. located?
The NPPES record lists a practice address at 101 Heart Dr, Greenville, NC, 27834. Phone: (252) 744-4611. Providers update this record themselves, so call before visiting.
How can I verify William Miller Johnstone, M.D.'s license?
NPPES lists North Carolina license number 2018-02894, 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 William Miller Johnstone, M.D. prescribe under Medicare Part D?
In 2024, William Miller Johnstone, M.D. had 2,884 Medicare Part D claims for 253 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is William Miller Johnstone, M.D.'s MIPS final score?
The 2023 MIPS final score is 88.7 of 100, reported for the practice group. 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.