JEANNIE KHUU ONG PHARMD
NPI 1427434588
Pharmacist - Ambulatory Care in Allentown, PA

Active since July 30, 2015
1627 CHEW ST, ALLENTOWN, PA 18102(610) 969-2293 Get Directions Write a Review

NPPES record last updated: December 17, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Dec 17, 2025, Nov 22, 2017 (2 updates tracked since 2017).

  • Individual
  • Female
  • Pharmacist
  • Ambulatory Care

About JEANNIE ONG

This page provides the complete NPI Profile along with additional information for Jeannie Ong, a provider established in Allentown, Pennsylvania with a medical specialization in Pharmacist, focusing in ambulatory care . The healthcare provider is registered in the NPI registry with number 1427434588 assigned on July 2015. The practitioner's primary taxonomy code is 1835P2201X with license number RP452124 (PA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1427434588
Provider Name
JEANNIE KHUU ONG PHARMD
Gender
Female
Entity Type
Individual
Location Address
1627 CHEW ST ALLENTOWN, PA 18102
Location Phone
(610) 969-2293
Mailing Address
1627 CHEW ST FL 3 ALLENTOWN, PA 18102
Mailing Phone
(610) 969-2293
Mailing Fax
(610) 969-2195
Is Sole Proprietor?
No
Enumeration Date
07-30-2015
Last Update Date
12-17-2025
Code Navigator

A pharmacist like Jeannie Ong fills prescription medications, verifying instructions from physicians and offers expertise in the safe use of prescriptions. Pharmacists instruct patients on how to take a prescribed medicine and educate patients about potential side effects. Pharmacists might also conduct health and wellness screenings, provide immunizations, oversee the medications given to patients, and provide advice on healthy lifestyles.

Location Map

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

Pharmacist Ambulatory Care

Taxonomy Code
1835P2201X
Type
Pharmacy Service Providers
License No.
RP452124
License State
PA
Taxonomy Description
A licensed pharmacist who has demonstrated specialized knowledge and skill in the provision of integrated, accessible health care services by pharmacists and is accountable for addressing medication needs, developing sustained partnerships with patients, and practicing in the context of family and community.

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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 1427434588, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 4 + 7 + 8 + 3 + 8 + 5 + 1 + 6 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1427434588.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Dietitian, Registered
1627 CHEW ST
ALLENTOWN, PA 18102
Obstetrics & Gynecology
1627 CHEW ST
ALLENTOWN, PA 18102
Registered Nurse (Diabetes Educator)
1627 CHEW ST, SUITE 101
ALLENTOWN, PA 18102
Internal Medicine
1627 CHEW ST, 1ST FLOOR
ALLENTOWN, PA 18102
Dietitian, Registered
1627 CHEW ST
ALLENTOWN, PA 18102
Nurse Practitioner (Family)
1627 CHEW ST
ALLENTOWN, PA 18102
Pediatrics (Child Abuse Pediatrics)
1627 CHEW ST, 6TH FLOOR
ALLENTOWN, PA 18102
Nurse Practitioner (Pediatrics)
1627 CHEW ST
ALLENTOWN, PA 18102
Nurse Practitioner (Pediatrics)
1627 CHEW ST
ALLENTOWN, PA 18102
Nurse Practitioner (Gerontology)
1627 CHEW ST
ALLENTOWN, PA 18102
Obstetrics & Gynecology
1627 CHEW ST
ALLENTOWN, PA 18102
Nurse Practitioner (Family)
1627 CHEW ST
ALLENTOWN, PA 18102
Internal Medicine (Geriatric Medicine)
1627 CHEW ST
ALLENTOWN, PA 18102
Nurse Practitioner (Family)
1627 CHEW ST
ALLENTOWN, PA 18102
Family Medicine (Geriatric Medicine)
1627 CHEW ST
ALLENTOWN, PA 18102
Nurse Practitioner (Family)
1627 CHEW ST
ALLENTOWN, PA 18102
Nurse Practitioner (Gerontology)
1627 CHEW ST
ALLENTOWN, PA 18102
Nurse Practitioner (Family)
1627 CHEW ST
ALLENTOWN, PA 18102
Internal Medicine (Geriatric Medicine)
1627 CHEW ST
ALLENTOWN, PA 18102
Pediatrics
1627 CHEW ST
ALLENTOWN, PA 18102

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1427434588, enumerated as an "individual" on July 30, 2015.

The provider is located at 1627 CHEW ST ALLENTOWN, PA 18102 and the phone number is (610) 969-2293.

Pharmacist with taxonomy code 1835P2201X and a focus in Ambulatory Care.