DR. OGECHUKWU NDUM M.D.
NPI 1205198512
Allergy & Immunology - Allergy in Rehoboth Beach, DE

NPI Status: Active since June 12, 2012

Contact Information

18947 JOHN J WILLIAMS HWY UNIT 201
REHOBOTH BEACH, DE
ZIP 19971
Phone: (302) 703-3393
Fax: (833) 448-3182

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  • Individual
  • Female
  • Years of Experience 14
  • Allergy & Immunology
  • Allergy
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About OGECHUKWU NDUM

This page provides the complete NPI Profile along with additional information for Ogechukwu Ndum, a provider established in Rehoboth Beach, Delaware with a medical specialization in Allergy & Immunology, focusing in allergy and more than 14 years of experience. She graduated from Case Western University School Of Dental Medicine in 2012. The healthcare provider is registered in the NPI registry with number 1205198512 assigned on June 2012. The practitioner's primary taxonomy code is 207KA0200X with license number C1-0029144 (DE). The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1205198512
Provider Name
DR. OGECHUKWU NDUM M.D.
Gender
Female
Entity Type
Individual
Location Address
18947 JOHN J WILLIAMS HWY UNIT 201 REHOBOTH BEACH, DE 19971
Location Phone
(302) 703-3393
Location Fax
(833) 448-3182
Mailing Address
1515 SAVANNAH RD FL 2 LEWES, DE 19958
Mailing Phone
(302) 645-3499
Mailing Fax
(833) 448-3182
Medical School Name
CASE WESTERN UNIVERSITY SCHOOL OF DENTAL MEDICINE
Graduation Year
2012
Is Sole Proprietor?
No
Enumeration Date
06-12-2012
Last Update Date
05-18-2026
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Location Map

Secondary Locations

  • 1000 Meade St
    Dunmore, PA 18512
    (570) 207-5337
  • 424 Savannah Rd
    Lewes, DE 19958
    (302) 703-3393
  • 933 Waube Ln
    Green Bay, WI 54304
    (920) 548-9500
  • 1 Medical Center Dr
    Lebanon, NH 03756
    (603) 650-5000

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Allergy & Immunology Allergy

Taxonomy Code
207KA0200X
Type
Allopathic & Osteopathic Physicians
License No.
C1-0029144
License State
DE
Taxonomy Description
A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207K00000XAllopathic & Osteopathic Physicians

Allergy & Immunology

TMD004640 (PA)
2207K00000XAllopathic & Osteopathic Physicians

Allergy & Immunology

33542 (NH)
3207K00000XAllopathic & Osteopathic Physicians

Allergy & Immunology

D0085085 (MD)
4207K00000XAllopathic & Osteopathic Physicians

Allergy & Immunology

5125-320 (WI)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • CareSource (Common Ground Healthcare) Bronze $0 Ded / $2500 Rx Ded - EPO
  • CareSource (Common Ground Healthcare) Bronze $0 Ded / $2500 Rx Ded - Vision Exam - EPO
  • CareSource (Common Ground Healthcare) Bronze $9600 ($45 PCP Copay) - EPO
  • CareSource (Common Ground Healthcare) Bronze $9600 ($45 PCP Copay) - Vision Exam - EPO
  • CareSource (Common Ground Healthcare) Bronze Standard $7500 - EPO
  • CareSource (Common Ground Healthcare) Bronze Standard $7500 - Vision Exam - EPO
  • CareSource (Common Ground Healthcare) Gold $0 Ded - EPO
  • CareSource (Common Ground Healthcare) Gold $0 Ded - Vision Exam - EPO
  • CareSource (Common Ground Healthcare) Gold $3300 - EPO
  • CareSource (Common Ground Healthcare) Gold $3300 - Vision Exam - EPO
  • CareSource (Common Ground Healthcare) Gold Standard $2000 - EPO
  • CareSource (Common Ground Healthcare) Gold Standard $2000 - Vision Exam - EPO
  • CareSource (Common Ground Healthcare) Silver $4700 Ded / $5000 Rx Ded - EPO
  • CareSource (Common Ground Healthcare) Silver $4700 Ded / $5000 Rx Ded - Vision Exam - EPO
  • CareSource (Common Ground Healthcare) Silver $5000 Ded / $6000 Rx Ded - EPO
  • CareSource (Common Ground Healthcare) Silver $5000 Ded / $6000 Rx Ded - Vision Exam - EPO
  • CareSource (Common Ground Healthcare) Silver Standard $6000 - EPO
  • CareSource (Common Ground Healthcare) Silver Standard $6000 - Vision Exam - EPO
  • NE WI Select $3,150 Plus Silver - PPO
  • NE WI Select $3,800 HSA Silver - PPO
  • NE WI Select $6,000 Standard Silver - PPO
  • NE WI Select $6,800 Plus Bronze HSA - PPO
  • NE WI Select $7,500 Standard Bronze HSA - PPO
  • NE WI Select $8,400 HSA Bronze - PPO
  • Oak $1,300 Gold - PPO
  • Oak $2,000 Standard Gold - PPO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Ogechukwu Ndum is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Ogechukwu Ndum is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 3476853136

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20250305000243, I20260301000014

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

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

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.

This service was performed 17 times for 17 patients

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Ogechukwu Ndum is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
BELLIN MEMORIAL HOSPITAL744 S WEBSTER AVE
GREEN BAY, WI 54305
(920) 433-3500Acute Care Hospitals

Reviews for DR. OGECHUKWU NDUM M.D.

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1205198512, we treat the final digit (2) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
0
Doubled → 0
Pos 4
5
Unchanged
Pos 5
1
Doubled → 2
Pos 6
9
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
5
Unchanged
Pos 9
1
Doubled → 2
Check
2
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 0 → 0 1 → 2 8 → 16 → 7 1 → 2

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 2 + 0 + 5 + 2 + 9 + 1 + 6 + 5 + 2 + 24 = 58

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1205198512.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Physician Assistant
18947 JOHN J WILLIAMS HWY UNIT 201
REHOBOTH BEACH, DE 19971
Dermatology
18947 JOHN J WILLIAMS HWY UNIT 201
REHOBOTH BEACH, DE 19971
Physician Assistant
18947 JOHN J WILLIAMS HWY UNIT 201
REHOBOTH BEACH, DE 19971

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1205198512, enumerated as an "individual" on June 12, 2012.

The provider is located at 18947 JOHN J WILLIAMS HWY UNIT 201 REHOBOTH BEACH, DE 19971 and the phone number is (302) 703-3393.

Allergy & Immunology with taxonomy code 207KA0200X and a focus in Allergy.

The provider might be accepting Accepts: CareSource (Common Ground Healthcare) and. Please consult your insurance carrier or call the provider to verify.

Ogechukwu Ndum is affiliated with: BELLIN MEMORIAL HOSPITAL.