Stephen Isaac Allday, MD
Family Medicine Physician · Greenville, NC
Stephen Isaac Allday, MD is a family medicine physician with a practice address in Greenville, North Carolina, and NPI 1326629858, issued on Apr 16, 2021. Check the license (North Carolina 2023-02317, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Stephen Isaac Allday
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 2023-02317 NC
Self-reported in NPPES; status is on the state search - Practice location
- 1850 W Arlington Blvd, Greenville, NC 27834
- Phone
- (252) 413-6202
- Enumerated
- Apr 16, 2021
- Record last updated
- Jun 20, 2024
- Medicare enrollment
- Enrolled (PECOS I20240802000691); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 4,953 in North Carolina → Look up another NPI →
Also registered at 1850 W Arlington Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephen Isaac Allday in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 2023-02317Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average family medicine physician in 2024
1,538 Medicare Part D claims for 251 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims. 20 claims were for opioids.
Most prescribed
- Amlodipine Besylate117 claims
- Atorvastatin Calcium111 claims
- Jardiance56 claims
- Lisinopril55 claims
- Losartan Potassium46 claims
- Rosuvastatin Calcium45 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.
Bills Medicare through 2 group practices
- Physicians East PAGreenville, NC
- Proactive Therapy OF North Carolina IncWilson, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Isaac Allday among 4,953 family medicine physician records in North Carolina
Stephen Isaac Allday, MD 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 2021, is newer than 91% of them.
- NPI issued2021 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2021 · median 2006 among the 3,104 with a school on file
- Record last updated2024 · 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 Stephen Isaac Allday, MD's NPI number?
Stephen Isaac Allday, MD's National Provider Identifier (NPI) is 1326629858, issued on Apr 16, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Isaac Allday, MD located?
The NPPES record lists a practice address at 1850 W Arlington Blvd, Greenville, NC, 27834. Phone: (252) 413-6202. Providers update this record themselves, so call before visiting.
How can I verify Stephen Isaac Allday, MD's license?
NPPES lists North Carolina license number 2023-02317, 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 Stephen Isaac Allday, MD prescribe under Medicare Part D?
In 2024, Stephen Isaac Allday, MD had 1,538 Medicare Part D claims for 251 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.