Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. DAVID PETER WIEN M.D.
NPI 1912904038
Internal Medicine - Allergy & Immunology in Wilmington, DE

Q: What is David Wien's NPI number?

The NPI number for David Wien is 1912904038. It was assigned to this individual provider in the NPPES registry on July 5, 2005.

Q: What is David Wien's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Allergy & Immunology, with taxonomy code 207RA0201X.

Q: When was this NPI record last updated?

The NPPES record for David Wien was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days 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 05, 2005PECOS EnrolledAccepts Medicare Assignment

708 GREENBANK RD, WILMINGTON, DE 19808(302) 998-1866(302) 998-3261 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

On this page

About Dr. David Peter Wien M.d. NPPES

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

DR. DAVID PETER WIEN M.D. (NPI 1912904038) is an individual allergy & immunology provider in Wilmington, Delaware, licensed in California (C10005662) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (1989).

NPPES Registry Identity

NPI1912904038

Entity TypeIndividualMale

Primary Taxonomy207RA0201X

Provider Legal NameDR. DAVID PETER WIENCredential: M.D.

Location Address708 GREENBANK RDWilmington, DE 19808-3168

Mailing Address708 Greenbank RdWilmington, DE 19808-3168 · (302) 998-1866 · Fax (302) 998-3261

Phone(302) 998-1866

Fax(302) 998-3261

Sole ProprietorNo

Medical School CMSGeorge Washington University School Of MedicineGraduated 1989

Enumeration DateJuly 5, 2005

Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration

✔ NPI 1912904038 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Allergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207RA0201X

License✔ Licensed in CA · C10005662

Definition

An internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Special Qualifications in the field of Allergy & Immunology.

Also ListedAllergy & ImmunologyTaxonomy 207K00000X · License C10005662 (CA)

Also ListedAllergy & Immunology · AllergyTaxonomy 207KA0200X · License C10005662 (CA)

708 GREENBANK RD, Wilmington, DE 19808

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AmeriHealth Caritas Next, Highmark Blue Cross Blue Shield Delaware.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

Dr. David Peter Wien M.d. 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 ID1355396763

PECOS Enrollment IDI20050321000895

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 12

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.

Professional service for preparation and provision of 1 or more antigens 95165

This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.

4,530 services117 patients

Test for allergy using allergenic extract 95004

An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.

1,334 services32 patients

Professional service for multiple injections of allergen 95117

The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.

949 services70 patients

Professional service for single injection of allergen 95115

A single allergen injection is a procedure where a small amount of a specific allergen is injected into your body. This is done to test your body's reaction to the allergen or to help your immune system become less sensitive to it, reducing allergic symptoms.

802 services64 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.

256 services131 patients

Test for allergy using allergenic extract injected into skin 95024

An allergy skin test involves injecting a small amount of allergenic extract into your skin. This test helps determine if you're allergic to specific substances. If allergic, a small red bump appears at the test site. It's safe and quick.

244 services26 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.

55 services46 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.

42 services27 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.

42 services41 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.

33 services33 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.

27 services27 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.

27 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19808 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

$131.15 typical visit price

range $57.12 – $173.08

Typical copayment $32.78 (range $14.28 – $43.27)

Most-billed visit code 99204

Established Patient

$71.19 typical visit price

range $18.36 – $141.05

Typical copayment $17.79 (range $4.59 – $35.26)

Most-billed visit code 99213

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 3

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

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

DME-Drugs Administered Through DME · category DG006N

3 suppliers11 claims2,422 services$0.03 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

3 suppliers14 claims840 services$0.71 avg. paid by Medicare

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

DME-Other DME · category DE000N

5 suppliers25 claims25 services$23.96 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

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

DAVID P WIEN, MD LLC

Allergy & Immunology (Allergy)

708 GREENBANK RD
WILMINGTON, DE 19808

New Castle County (302) 998-1866

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 David Wien's NPI number?

The NPI number for David Wien is 1912904038. It was assigned to this individual provider in the NPPES registry on July 5, 2005.

Where is David Wien located?

David Wien practices at 708 Greenbank Rd, Wilmington, DE 19808. The listed phone number is (302) 998-1866.

What is David Wien's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Allergy & Immunology, with taxonomy code 207RA0201X.

Is David Wien enrolled in Medicare?

Yes. David Wien 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 David Wien accept?

Health plans from AmeriHealth Caritas Next and Highmark Blue Cross Blue Shield Delaware list David Wien 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.

When was this NPI record last updated?

The NPPES record for David Wien was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 days 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.