DIANA M ALEXANDRU DO
NPI 1497945554
Internal Medicine - Sleep Medicine in Greenville, NC

Q: What is Diana Alexandru's NPI number?

The NPI number for Diana Alexandru is 1497945554. It was assigned to this individual provider in the NPPES registry on July 25, 2007.

Q: What is Diana Alexandru's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Q: When was this NPI record last updated?

The NPPES record for Diana Alexandru was last updated on March 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 25, 2007PECOS EnrolledAccepts Medicare Assignment

98.33/100

CMS Quality Rating

521 MOYE BLVD, GREENVILLE, NC 27834(252) 744-1600(252) 744-1115 Get Directions Write a Review

NPPES record last updated: March 3, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 3, 2025, Jan 13, 2022 (2 updates tracked since 2022).

On this page

About Diana M Alexandru Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DIANA M ALEXANDRU DO (NPI 1497945554) is an individual sleep medicine provider in Greenville, North Carolina, licensed in North Carolina (2018-02914) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS, is affiliated with Ecu Health Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1497945554

Entity TypeIndividualFemale

Primary Taxonomy207RS0012X

Provider Legal NameDIANA M ALEXANDRUCredential: DO

Location Address521 MOYE BLVDGreenville, NC 27834-2849

Mailing Address3724 Raleigh Road Pkwy WWilson, NC 27896-9742 · (252) 246-8840 · Fax (252) 846-8841

Phone(252) 744-1600

Fax(252) 744-1115

Sole ProprietorNo

Medical School CMSNew York College Of Osteo Medicine Of New York Institute Of TechnologyGraduated 2007

Enumeration DateJuly 25, 2007

Last NPPES UpdateMarch 3, 20252 updates tracked since enumeration

NPPES CertifiedMarch 3, 2025

✔ NPI 1497945554 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RS0012X

License✔ Licensed in NC · 2018-02914

Definition

An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.

Also ListedInternal MedicineTaxonomy 207R00000X · License 2211 (ME)

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 16657 (NH)

Also ListedHospitalistTaxonomy 208M00000X · License 2211 (ME), 2018-02914 (NC)

521 MOYE BLVD, Greenville, NC 27834

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Secondary Practice Locations 2

Location 1111 Hospital DrTarboro, NC 27886-2011 · Phone (252) 641-7700 · Fax (252) 641-7313

Location 23724 Raleigh Road Pkwy WWilson, NC 27896-9742 · Phone (252) 246-8840 · Fax (252) 846-8841

Other Identifiers 2

Medicaid30228953NH

Medicaid1497945554NC

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of NC, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Diana M Alexandru Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4981874906

PECOS Enrollment IDI20190116003672

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 27

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613

Albuterol is a medication used to treat breathing problems. It is administered as an inhalation solution through a device called DME (Durable Medical Equipment). The solution is FDA-approved and non-compounded. Each unit dose contains 1 mg of the medicine.

217 services72 patients

Test to measure expiratory airflow and volume changes before and after medication administration 94060

This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.

117 services116 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

113 services104 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

97 services91 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

93 services90 patients

Test for exercise-induced lung stress 94618

An exercise-induced lung stress test assesses how your lungs respond to physical activity. During the test, you'll exercise on a treadmill or stationary bike while your heart rate, breathing, blood pressure, and oxygen levels are monitored. This helps identify any abnormal lung responses to exercise.

84 services83 patients

Test to measure oxygen level in blood using ear or finger device continuously overnight 94762

This procedure involves using a small device, placed on your ear or finger, to continuously monitor your blood oxygen level overnight. It's painless, non-invasive, and helps assess your body's oxygen supply during sleep.

83 services76 patients

Sleep study in sleep lab (6 years or older) 95810

A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.

78 services78 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

72 services70 patients

Sleep study in sleep lab with continuous airway pressure (6 years or older) 95811

A sleep study in a sleep lab with continuous airway pressure is a test for individuals aged 6 and above. It monitors your sleep patterns to check for disorders like sleep apnea. Continuous airway pressure helps keep your airways open while you sleep, improving your breathing.

68 services65 patients

Inhalation treatment for airway obstruction or sputum production 94640

Inhalation treatment, also known as nebulizer therapy, helps clear airway obstructions and reduce sputum production. It involves breathing in medication through a device, turning it into a mist. This can open up the airways, making breathing easier and helping to cough out mucus.

66 services62 patients

Sleep study including heart rate, breathing, airflow, and effort 95806

A sleep study monitors your heart rate, breathing patterns, airflow, and physical effort while you sleep. It helps identify sleep disorders by tracking your sleep stages and cycles. This data aids doctors in diagnosing and treating sleep-related issues.

47 services46 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

45 services45 patients

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

Albuterol and ipratropium bromide are medications used to help you breathe more easily. They work by relaxing your airways and increasing airflow to your lungs. These FDA-approved drugs are administered through a device called DME (Durable Medical Equipment) which ensures accurate dosage.

42 services42 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

38 services32 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

34 services33 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

30 services30 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

24 services24 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

23 services23 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

20 services20 patients

Sleep study including heart rate, breathing, and sleep time 95800

A sleep study monitors your sleep patterns to evaluate your sleep quality. It records your heart rate, breathing, and actual sleep time. This information helps identify any sleep disorders, ensuring you get the rest you need for optimal health.

17 services17 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

17 services16 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

16 services15 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

16 services12 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

13 services13 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

11 services11 patients

Sleep study including heart rate, breathing, airflow, and effort 95806

11 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ecu Health Medical Center

Acute Care Hospitals · Greenville, NC

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number340040

Location2100 Stantonsburg RdGreenville, NC 27834 · Pitt County

Emergency services Birthing friendly

Vidant Duplin Hospital

Acute Care Hospitals · Kenansville, NC

4/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number340120

Location401 N Main StKenansville, NC 28349 · Duplin County

Emergency services Birthing friendly

Wilson Medical Center

Acute Care Hospitals · Wilson, NC

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number340126

Location1705 S Tarboro StWilson, NC 27893 · Wilson County

Emergency services Birthing friendly

Unc Health Nash

Acute Care Hospitals · Rocky Mount, NC

4/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number340147

Location2460 Curtis Ellis DriveRocky Mount, NC 27804 · Nash County

Emergency services Birthing friendly

Ecu Health North Hospital

Acute Care Hospitals · Roanoke Rapids, NC

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number340151

Location250 Smith Church RoadRoanoke Rapids, NC 27870 · Halifax County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27834 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$125.01 typical visit price

range $54.12 – $165.09

Typical copayment $31.25 (range $13.53 – $41.27)

Most-billed visit code 99204

Established Patient

$95.94 typical visit price

range $17.21 – $134.61

Typical copayment $23.98 (range $4.30 – $33.65)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.33/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

82.93

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 27

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

16 suppliers157 claims157 services$40.25 avg. paid by Medicare

Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003

DME-Other DME · category DE000N

1 supplier15 claims15 services$1.82 avg. paid by Medicare

Administration set, with small volume nonfiltered pneumatic nebulizer, non-disposable A7005

DME-Other DME · category DE000N

4 suppliers13 claims13 services$14.99 avg. paid by Medicare

Aerosol mask, used with dme nebulizer A7015

DME-Other DME · category DE000N

2 suppliers18 claims18 services$1.31 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

13 suppliers119 claims119 services$97.59 avg. paid by Medicare

Face mask interface, replacement for full face mask, each A7031

DME-Other DME · category DE001N

13 suppliers106 claims262 services$37.37 avg. paid by Medicare

Cushion for use on nasal mask interface, replacement only, each A7032

DME-Other DME · category DE001N

11 suppliers60 claims306 services$22.61 avg. paid by Medicare

Pillow for use on nasal cannula type interface, replacement only, pair A7033

DME-Other DME · category DE001N

6 suppliers24 claims109 services$17.23 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

16 suppliers106 claims106 services$63.93 avg. paid by Medicare

Headgear used with positive airway pressure device A7035

DME-Other DME · category DE001N

18 suppliers130 claims130 services$20.35 avg. paid by Medicare

Chinstrap used with positive airway pressure device A7036

DME-Other DME · category DE001N

5 suppliers11 claims11 services$11.06 avg. paid by Medicare

Tubing used with positive airway pressure device A7037

DME-Other DME · category DE001N

10 suppliers49 claims49 services$19.46 avg. paid by Medicare

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

20 suppliers188 claims937 services$2.58 avg. paid by Medicare

Water chamber for humidifier, used with positive airway pressure device, replacement, each A7046

DME-Other DME · category DE001N

18 suppliers89 claims89 services$12.07 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

7 suppliers99 claims99 services$19.03 avg. paid by Medicare

Respiratory assist device, bi-level pressure capability, without backup rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) E0470

DME-Other DME · category DE001N

3 suppliers22 claims22 services$101.27 avg. paid by Medicare

Humidifier, heated, used with positive airway pressure device E0562

DME-Other DME · category DE001N

5 suppliers22 claims22 services$172.27 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

4 suppliers115 claims115 services$6.85 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

10 suppliers266 claims266 services$45.57 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

10 suppliers235 claims235 services$108.81 avg. paid by Medicare

Arformoterol, inhalation solution, fda approved final product, non-compounded, administered through dme, unit dose form, 15 micrograms J7605

DME-Drugs Administered Through DME · category DG006N

2 suppliers14 claims840 services$4.22 avg. paid by Medicare

Formoterol fumarate, inhalation solution, fda approved final product, non-compounded, administered through dme, unit dose form, 20 micrograms J7606

DME-Drugs Administered Through DME · category DG006N

3 suppliers19 claims1,140 services$6.34 avg. paid by Medicare

Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613

DME-Drugs Administered Through DME · category DG006N

10 suppliers65 claims18,420 services$0.03 avg. paid by Medicare

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

DME-Drugs Administered Through DME · category DG006N

4 suppliers27 claims1,950 services$0.10 avg. paid by Medicare

Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626

DME-Drugs Administered Through DME · category DG000N

9 suppliers65 claims4,392 services$0.79 avg. paid by Medicare

Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738

DME-Oxygen and Supplies · category DC000N

1 supplier48 claims48 services$37.41 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

10 suppliers105 claims105 services$25.08 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. CHRISTINA JEANETTE SANTANA MD

Internal Medicine

521 MOYE BLVD
GREENVILLE, NC 27834

Pitt County (252) 744-3229

DR. MOHAMMAD ZAFAR KHALILULLAH MD

Internal Medicine

521 MOYE BLVD
GREENVILLE, NC 27834

Pitt County (252) 744-3229

FELICIA TIFFANY CANADAY MD

Internal Medicine (Pulmonary Disease)

521 MOYE BLVD
GREENVILLE, NC 27834

Pitt County (252) 744-1600

DR. NEAL DELVADIA MD

Internal Medicine

521 MOYE BLVD
GREENVILLE, NC 27834

Pitt County (252) 744-3229

DR. HASSAN MAHDI AL-KHALISY M.D.

Internal Medicine (Pulmonary Disease)

521 MOYE BLVD
GREENVILLE, NC 27834

Pitt County (252) 744-1600

DR. THATSHANA THAYANANTHARAJAH MD

Student in an Organized Health Care Education/Training Program

521 MOYE BLVD
GREENVILLE, NC 27834

Pitt County (252) 744-3992

DR. THOMAS FRANCIS BLAIR MD

Internal Medicine

521 MOYE BLVD
GREENVILLE, NC 27834

Pitt County (252) 744-3229

DR. RITU MODI M.D

Internal Medicine (Pulmonary Disease)

521 MOYE BLVD
GREENVILLE, NC 27834

Pitt County (252) 744-1600

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Diana Alexandru's NPI number?

The NPI number for Diana Alexandru is 1497945554. It was assigned to this individual provider in the NPPES registry on July 25, 2007.

Where is Diana Alexandru located?

Diana Alexandru practices at 521 Moye Blvd, Greenville, NC 27834. The listed phone number is (252) 744-1600.

What is Diana Alexandru's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Is Diana Alexandru enrolled in Medicare?

Yes. Diana Alexandru is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Diana Alexandru accept?

Health plans from Blue Cross and Blue Shield of NC and UnitedHealthcare list Diana Alexandru as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Diana Alexandru affiliated with any hospitals?

According to CMS data, Diana Alexandru is affiliated with Ecu Health Medical Center, Vidant Duplin Hospital, Wilson Medical Center, Unc Health Nash and Ecu Health North Hospital.

When was this NPI record last updated?

The NPPES record for Diana Alexandru was last updated on March 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.