MS. BARBARA JOAN DAVIS NP
NPI 1437329158
Nurse Practitioner - Family in Wading River, NY

Q: What is Barbara Davis's NPI number?

The NPI number for Barbara Davis is 1437329158. It was assigned to this individual provider in the NPPES registry on March 10, 2008.

Q: What is Barbara Davis's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Barbara Davis was last updated on February 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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 March 10, 2008PECOS EnrolledAccepts Medicare Assignment

6144 ROUTE 25A, WADING RIVER, NY 11792(631) 929-1256(631) 929-8313 Get Directions Write a Review

NPPES record last updated: February 24, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 24, 2025, Aug 29, 2019 (2 updates tracked since 2019).

On this page

About Ms. Barbara Joan Davis Np NPPES

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

MS. BARBARA JOAN DAVIS NP (NPI 1437329158) is an individual family provider in Wading River, New York, licensed in New York (F335336-1) and active in the NPI registry since March 2008. She is enrolled in Medicare PECOS, is affiliated with Peconic Bay Medical Center, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1437329158

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameMS. BARBARA JOAN DAVISCredential: NP

Location Address6144 ROUTE 25AWading River, NY 11792-2018

Mailing Address6144 Route 25a Ste CWading River, NY 11792-2018 · (631) 929-1256 · Fax (631) 929-8313

Phone(631) 929-1256

Fax(631) 929-8313

Sole ProprietorNo

Medical School CMSOtherGraduated 2007

Enumeration DateMarch 10, 2008

Last NPPES UpdateFebruary 24, 20252 updates tracked since enumeration

NPPES CertifiedFebruary 24, 2025

✔ NPI 1437329158 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in NY · F335336-1

Also ListedFamily MedicineTaxonomy 207Q00000X · License 335336 (NY)

6144 ROUTE 25A, Wading River, NY 11792

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Barbara Joan Davis Np 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 ID1153455332

PECOS Enrollment IDI20100811000000

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.

Medicare Billing Reassignments

Medicare enrollment records show Barbara Davis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

North Shore Hematology Oncology Associates PC

12 mi

Specialist

49 NESCONSET HWY
Port Jefferson Station, NY 11776

Reassigned Medicare billing, New York enrollment
636 clinicians in this Medicare group

NPI 1396794574 (631) 751-3000

Peconic Bay Primary Medical Care

16 mi

Internal Medicine

13400 MAIN RD
Mattituck, NY 11952

Reassigned Medicare billing, New York enrollment
70 clinicians in this Medicare group

NPI 1487620613 (631) 298-4008

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 24

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.

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.

445 services278 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.

278 services217 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.

130 services114 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

58 services57 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.

56 services47 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

51 services44 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

49 services49 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

42 services36 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

41 services37 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.

37 services36 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

35 services33 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

33 services30 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.

30 services30 patients

Cyanocobalamin (vitamin b-12) level 82607

A Cyanocobalamin (Vitamin B-12) level test is a blood test that checks the amount of Vitamin B-12 in your body. This vitamin is vital for nerve function and the creation of red blood cells. Low or high levels could indicate a potential health issue.

27 services27 patients

Magnesium level 83735

A magnesium level test is a simple blood test that measures the amount of magnesium in your body. Magnesium is a crucial mineral that helps your nerves, muscles, and heart function properly. The test can help detect health conditions like kidney disease or malnutrition.

27 services25 patients

Folic acid level, serum 82746

A Folic Acid Level, Serum test measures the amount of folic acid, a type of B vitamin, in your blood. This vitamin is important for cell growth and development. It's crucial for your body to function well. If your levels are low, it may indicate a deficiency, which can lead to health issues.

25 services25 patients

Thyroxine (thyroid chemical), total 84436

A Thyroxine (thyroid chemical) total test measures the amount of thyroxine, a hormone produced by your thyroid gland, in your blood. This hormone helps regulate your body's metabolism. The test can help diagnose thyroid disorders, such as hypothyroidism or hyperthyroidism.

23 services23 patients

Iron level 83540

An iron level test measures the amount of iron in your blood. Iron is crucial for producing hemoglobin, a protein in red blood cells that carries oxygen throughout your body. This test helps identify iron deficiencies or excesses, which can lead to conditions like anemia or hemochromatosis.

21 services20 patients

Ferritin (blood protein) level 82728

A Ferritin level test measures the amount of ferritin, a protein that stores iron, in your blood. It helps determine how much iron your body is storing. If levels are low, it may indicate iron deficiency, while high levels could signify conditions like iron overload.

19 services18 patients

Uric acid level, blood 84550

A blood uric acid level test measures the amount of uric acid in your blood. Uric acid is a waste product that your body produces when it breaks down purines, substances found in your body and in certain foods. High levels may lead to gout or kidney stones.

18 services18 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.

17 services17 patients

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

14 services14 patients

Vitamin d-3 level 82306

A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.

13 services13 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Peconic Bay Medical Center

Acute Care Hospitals · Riverhead, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number330107

Location1 Heros WayRiverhead, NY 11901 · Suffolk County

Emergency services Birthing friendly

Suny/Stony Brook University Hospital

Acute Care Hospitals · Stony Brook, NY

4/5 CMS rating

OwnershipGovernment - State

CMS Certification Number330393

LocationHealth Sciences Center SunyStony Brook, NY 11794 · Suffolk County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11792 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

$105.06 typical visit price

range $67.40 – $203.53

Typical copayment $26.26 (range $16.85 – $50.88)

Most-billed visit code 99203

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

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.

Referred Medical Equipment & Supplies CMS DME claims 2

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

8 suppliers28 claims59 services$5.94 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

4 suppliers11 claims1,677 services$0.03 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.

FREED, SCHERZ, KLEINBERG, NUSSBAUM, FESTA, M.D. LLP

Pediatrics (Adolescent Medicine)

6144 ROUTE 25A, SUITE 23 & 24, BUILDING D
WADING RIVER, NY 11792

Suffolk County (631) 929-0400

KATORA MILLER

Massage Therapist

6144 ROUTE 25A
WADING RIVER, NY 11792

Suffolk County (631) 793-6397

PROFESSIONAL ORTHOPEDIC AND SPORTS PHYSICAL THERAPY, P.C.

Physical Therapist

6144 ROUTE 25A, SUITE 14
WADING RIVER, NY 11792

Suffolk County (631) 929-3277

TMH MEDICAL HOME

Durable Medical Equipment & Medical Supplies

6144 ROUTE 25A
WADING RIVER, NY 11792

Suffolk County (631) 929-5900

REBECCA LAUREN PIEKARSKI DNP, FNP-BC

Nurse Practitioner (Family)

6144 ROUTE 25A
WADING RIVER, NY 11792

Suffolk County (631) 880-6200

CAITLIN ROBINS MS

Speech-Language Pathologist

6144 ROUTE 25A, STE 9B
WADING RIVER, NY 11792

Suffolk County (631) 325-7755

ALEXIS HUGELMEYER, D.O.

Family Medicine

6144 ROUTE 25A, BUILDING C, SUITE 13, BOX 10
WADING RIVER, NY 11792

Suffolk County (631) 963-4760

ELIZABETH THOMPSON M.S., CCC-SLP

Speech-Language Pathologist

6144 ROUTE 25A, BLDG. B, SUITE 9
WADING RIVER, NY 11792

Suffolk County (631) 325-7755

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 Barbara Davis's NPI number?

The NPI number for Barbara Davis is 1437329158. It was assigned to this individual provider in the NPPES registry on March 10, 2008.

Where is Barbara Davis located?

Barbara Davis practices at 6144 Route 25A, Wading River, NY 11792. The listed phone number is (631) 929-1256.

What is Barbara Davis's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Barbara Davis enrolled in Medicare?

Yes. Barbara Davis 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.

Which organizations bill Medicare for Barbara Davis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Barbara Davis reassigns Medicare benefits to 2 organizations: North Shore Hematology Oncology Associates PC (Port Jefferson Station, NY) and Peconic Bay Primary Medical Care (Mattituck, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Barbara Davis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Barbara Davis affiliated with any hospitals?

According to CMS data, Barbara Davis is affiliated with Peconic Bay Medical Center and Suny/Stony Brook University Hospital.

When was this NPI record last updated?

The NPPES record for Barbara Davis was last updated on February 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.