DR. RACHEL BLOOM M.D.
NPI 1669638409
Ophthalmology - Pediatric Ophthalmology and Strabismus Specialist in Livingston, NJ
NPI Status: Active since July 31, 2008
Contact Information
22 OLD SHORT HILLS RD # LL-1
LIVINGSTON, NJ
ZIP 07039
Phone: (973) 422-1230
Fax: (973) 422-1236
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Female
- Ophthalmology
- Pediatric Ophthalmology and Strabismus S...
About RACHEL BLOOM
This page provides the complete NPI Profile along with additional information for Rachel Bloom, a provider established in Livingston, New Jersey with a medical specialization in Ophthalmology, focusing in pediatric ophthalmology and strabismus specialist . The healthcare provider is registered in the NPI registry with number 1669638409 assigned on July 2008. The practitioner's primary taxonomy code is 207WX0110X with license number 25MA09145800 (NJ). The provider is registered as an individual and her NPI record was last updated May 2026.
- NPI
- 1669638409
- Provider Name
- DR. RACHEL BLOOM M.D.
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 22 OLD SHORT HILLS RD # LL-1 LIVINGSTON, NJ 07039
- Location Phone
- (973) 422-1230
- Location Fax
- (973) 422-1236
- Mailing Address
- 22 OLD SHORT HILLS RD # LL-1 LIVINGSTON, NJ 07039
- Mailing Phone
- (973) 422-1230
- Mailing Fax
- (973) 422-1236
- Is Sole Proprietor?
- No
- Enumeration Date
- 07-31-2008
- Last Update Date
- 05-18-2026
- Code Navigator
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
Ophthalmology Pediatric Ophthalmology and Strabismus Specialist
- Taxonomy Code
- 207WX0110X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 25MA09145800
- License State
- NJ
- Taxonomy Description
- An ophthalmologist who specializes in pediatric ophthalmology and strabismus management. The subspecialty includes the medical and surgical management of eye disorders found in children. Some of the more common disorders include amblyopia, strabismus, refractive error, cataract and glaucoma. These disorders may be related to neurological and endocrinological diseases, trauma, or aging changes in the extraocular muscles requiring medical, optical and surgical management.
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) |
|---|---|---|---|---|
| 1 | 207W00000X | Allopathic & Osteopathic Physicians | Ophthalmology | 249825 (NY) |
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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 1669638409, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 61 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1669638409, enumerated as an "individual" on July 31, 2008.
The provider is located at 22 OLD SHORT HILLS RD # LL-1 LIVINGSTON, NJ 07039 and the phone number is (973) 422-1230.
Ophthalmology with taxonomy code 207WX0110X and a focus in Pediatric Ophthalmology and Strabismus Specialist.
