ERIK UNDERHILL M.D.
NPI 1881767382
Internal Medicine in Wilmington, DE

Q: What is Erik Underhill's NPI number?

The NPI number for Erik Underhill is 1881767382. It was assigned to this individual provider in the NPPES registry on November 15, 2006.

Q: What is Erik Underhill's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Erik Underhill was last updated on April 4, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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 November 15, 2006PECOS Enrolled

1806 N VAN BUREN STREET, SUITE 200, WILMINGTON, DE 19802(302) 652-3771(302) 652-3773 Get Directions Write a Review

NPPES record last updated: April 4, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Erik Underhill M.d. NPPES

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

ERIK UNDERHILL M.D. (NPI 1881767382) is an individual internal medicine provider in Wilmington, Delaware, licensed in Delaware (C1-0006425) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1881767382

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameERIK UNDERHILLCredential: M.D.

Location Address1806 N VAN BUREN STREET, SUITE 200Wilmington, DE 19802-3851

Mailing Address1806 N Van Buren Street, Suite 200Wilmington, DE 19802-3851 · (302) 652-3771

Phone(302) 652-3771

Fax(302) 652-3773

Sole ProprietorNo

Enumeration DateNovember 15, 2006

Last NPPES UpdateApril 4, 2008

✔ NPI 1881767382 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in DE · C1-0006425

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

1806 N VAN BUREN STREET, Wilmington, DE 19802

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Other Identifiers 3

Medicaid1000033583DE

Medicare PIN008802A40DE

Medicare UPING91375DE

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Highmark Blue Cross Blue Shield Delaware.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Erik Underhill M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Erik Underhill reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Value In Prevention Of Delaware LLC

7.9 mi

Family Medicine

724 YORKLYN RD STE 125
Hockessin, DE 19707

Reassigned Medicare billing, Delaware enrollment
4 clinicians in this Medicare group

NPI 1295422913 (302) 239-4097

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 13

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 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.

454 services177 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.

157 services157 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.

106 services79 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

98 services98 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.

81 services54 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

58 services58 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.

52 services52 patients

Influenza vaccine, inactivated 90653

The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.

41 services41 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.

39 services33 patients

Telephone medical discussion with physician, 21-30 minutes 99443

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

36 services23 patients

Telephone medical discussion with physician, 11-20 minutes 99442

This is a service where you have a phone conversation with your doctor for 11-20 minutes. It's used for discussing health concerns, reviewing test results, or managing ongoing conditions. It's a convenient way to receive medical advice without an in-person visit.

29 services22 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

11 services11 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19802 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

$100.68 typical visit price

range $18.36 – $141.05

Typical copayment $25.17 (range $4.59 – $35.26)

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

7 suppliers19 claims56 services$6.50 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

6 suppliers12 claims19 services$1.04 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.

BANCROFT INTERNAL MEDICINE PA

Internal Medicine

1806 N VAN BUREN STREET, SUITE 200
WILMINGTON, DE 19802

New Castle County (302) 652-3771

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 Erik Underhill's NPI number?

The NPI number for Erik Underhill is 1881767382. It was assigned to this individual provider in the NPPES registry on November 15, 2006.

Where is Erik Underhill located?

Erik Underhill practices at 1806 N Van Buren Street Suite 200, Wilmington, DE 19802. The listed phone number is (302) 652-3771.

What is Erik Underhill's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Erik Underhill enrolled in Medicare?

Yes. Erik Underhill is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Erik Underhill's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Erik Underhill reassigns Medicare benefits to Value In Prevention Of Delaware LLC (Hockessin, DE). The 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 Erik Underhill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Erik Underhill accept?

Health plans from Highmark Blue Cross Blue Shield Delaware list Erik Underhill 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 Erik Underhill was last updated on April 4, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.