NPPES file of Aug 9, 2026

Diana M. Alexandru, DO

Sleep Medicine (Internal Medicine) Physician · Greenville, NC

Diana M. Alexandru, DO is a sleep medicine (internal medicine) physician with a practice address in Greenville, North Carolina, and NPI 1497945554, issued on Jul 25, 2007. Check the license (North Carolina 2018-02914, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1497945554
Name
Diana M. Alexandru
Credential
DO
Primary taxonomy
Sleep Medicine (Internal Medicine) Physician 207RS0012X
License numbers
2018-02914 NC
2211 ME
16657 NH
Self-reported in NPPES; status is on the state search
Practice location
521 Moye Blvd, Greenville, NC 27834
Phone
(252) 744-1600
Enumerated
Jul 25, 2007
Record last updated
Mar 3, 2025
Fax
(252) 744-1115
Medicaid IDs
30228953 NH
1497945554 NC
Medicare enrollment
Enrolled (PECOS I20190116003672); accepts Medicare assignment
Medical or professional school
New York College Of Osteo Medicine Of New York Institute Of Technology, 2007
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 521 Moye Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Hassan Al-Khalisy, M.D.Pulmonary Disease Physician1053727503
  2. Mohammad Alhamaydeh, MDInternal Medicine Physician1760997530
  3. Sadeem Ali, M.D.Internal Medicine Physician1316125008
  4. Niti Armistead, M.D.Internal Medicine Physician1205852134
  5. Kiotta Barnhill, NPNurse Practitioner1427332675
  6. Thomas Blair, MDInternal Medicine Physician1073040218

Verify Diana M. Alexandru in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 2018-02914
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the North Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3.4 times the Medicare Part D claims of the average sleep medicine (internal medicine) physician in 2024

1,976 Medicare Part D claims for 339 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D. Brand-name drugs were 57% of claims.

  1. Diana Alexandru1,976
  2. Specialty average585

Most prescribed

  1. Trelegy Ellipta520 claims
  2. Albuterol Sulfate Hfa335 claims
  3. Montelukast Sodium117 claims
  4. Ventolin Hfa112 claims
  5. Breztri Aerosphere86 claims
  6. Prednisone60 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): 98.3 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.

  1. Qualityout of 100 · 30% of the final score82.9
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $1,441.47

71 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 664 providers of this specialty with any payment received $3,724.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Diana Alexandru$1,441.47
  2. Specialty average$3,724.37

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

  1. East Carolina UniversityGreenville, NC
  2. Vidant Medical Group LLCTarboro, NC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Diana M. Alexandru among 24 sleep medicine (internal medicine) physician records in North Carolina

Diana M. Alexandru, DO is one of 24 sleep medicine (internal medicine) physician records with a practice address in North Carolina. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 50% of them.

  • NPI issued2007 · 50% of these records are older, 38% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 46% of these records are
  • Graduated2007 · median 2007 among the 11 with a school on file
  • Record last updated2025 · 29% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sleep Medicine (Internal Medicine) Physician providers in North Carolina

There are 24 sleep medicine (internal medicine) physician records in North Carolina.

The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes

  1. Ronald Perkin, MDGreenville, NC 278341255326526
  2. Matthew Bittner, MDDurham, NC 277051699332874
  3. Benjamin Graef, D.O.Concord, NC 280251306061551
  4. William Sherrill, MDHuntersville, NC 280781255345260
  5. Scott Ryals, M.D.Matthews, NC 281041992026017
  6. Cameron Barber, DOCary, NC 275181164985412
  7. Raeesa Khalid, M.D.Cary, NC 275181003221409
  8. Pradeep Ramachandran, M.D.Chapel Hill, NC 275141528086295

Common questions

What is Diana M. Alexandru, DO's NPI number?

Diana M. Alexandru, DO's National Provider Identifier (NPI) is 1497945554, issued on Jul 25, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Diana M. Alexandru, DO located?

The NPPES record lists a practice address at 521 Moye Blvd, Greenville, NC, 27834. Phone: (252) 744-1600. Providers update this record themselves, so call before visiting.

How can I verify Diana M. Alexandru, DO's license?

NPPES lists North Carolina license number 2018-02914, 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 Diana M. Alexandru, DO prescribe under Medicare Part D?

In 2024, Diana M. Alexandru, DO had 1,976 Medicare Part D claims for 339 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. Part D covers Medicare prescriptions only.

What is Diana M. Alexandru, DO's MIPS final score?

The 2023 MIPS final score is 98.3 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.