KAREN JEAN FLEISCHER LVN
NPI 1992669733
Doula in Oakland, CA

NPI Status: Active since December 15, 2025

Contact Information

3600 BROADWAY
OAKLAND, CA
ZIP 94611
Phone: (510) 752-1000

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  • Individual
  • Female
  • Doula

About KAREN FLEISCHER

This page provides the complete NPI Profile along with additional information for Karen Fleischer, a provider established in Oakland, California with a medical specialization in Doula. The healthcare provider is registered in the NPI registry with number 1992669733 assigned on December 2025. The practitioner's primary taxonomy code is 374J00000X with license number VN108929 (CA). The provider is registered as an individual and her NPI record was last updated December 2025.

NPI
1992669733
Provider Name
KAREN JEAN FLEISCHER LVN
Gender
Female
Entity Type
Individual
Location Address
3600 BROADWAY OAKLAND, CA 94611
Location Phone
(510) 752-1000
Mailing Address
2417 OHATCH DR SAN PABLO, CA 94806
Is Sole Proprietor?
Yes
Enumeration Date
12-15-2025
Last Update Date
12-15-2025
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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

Doula

Taxonomy Code
374J00000X
Type
Nursing Service Related Providers
License No.
VN108929
License State
CA
Taxonomy Description
Doulas work in a variety of settings and have been trained to provide physical, emotional, and informational support to a mother before, during, and just after birth and/or provide emotional and practical support to a mother during the postpartum period.

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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 1992669733, we treat the final digit (3) 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 3).

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
9
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
2
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
6
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
7
Unchanged
Pos 9
3
Doubled → 6
Check
3
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 9 → 18 → 9 6 → 12 → 3 9 → 18 → 9 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 8 + 2 + 1 + 2 + 6 + 1 + 8 + 7 + 6 + 24 = 77

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

The next multiple of ten after 77 is 80. The difference is the calculated check digit.

80 - 77 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1992669733.

Other Providers at the Same Location


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

Student in an Organized Health Care Education/Training Program
3600 BROADWAY
OAKLAND, CA 94611
Pharmacist
3600 BROADWAY
OAKLAND, CA 94611
Audiologist-Hearing Aid Fitter
3600 BROADWAY, #4 HEAD AND NECK SURGERY DEPARTMENT
OAKLAND, CA 94611
Physical Therapist
3600 BROADWAY
OAKLAND, CA 94611
Dietitian, Registered
3600 BROADWAY
OAKLAND, CA 94611
Pharmacist
3600 BROADWAY
OAKLAND, CA 94611
Pharmacist
3600 BROADWAY
OAKLAND, CA 94611
Pharmacist
3600 BROADWAY
OAKLAND, CA 94611
Pharmacist
3600 BROADWAY
OAKLAND, CA 94611
Pharmacist
3600 BROADWAY
OAKLAND, CA 94611
Pharmacist
3600 BROADWAY
OAKLAND, CA 94611
Pharmacist
3600 BROADWAY
OAKLAND, CA 94611
Dietitian, Registered
3600 BROADWAY
OAKLAND, CA 94611
Speech-Language Pathologist
3600 BROADWAY
OAKLAND, CA 94611
Dietary Manager
3600 BROADWAY
OAKLAND, CA 94611
Specialist/Technologist, Other
3600 BROADWAY
OAKLAND, CA 94611
Respiratory Therapist, Registered
3600 BROADWAY
OAKLAND, CA 94611
Respiratory Therapist, Registered
3600 BROADWAY
OAKLAND, CA 94611
Respiratory Therapist, Registered (Critical Care)
3600 BROADWAY
OAKLAND, CA 94611
Respiratory Therapist, Registered
3600 BROADWAY
OAKLAND, CA 94611

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1992669733, enumerated as an "individual" on December 15, 2025.

The provider is located at 3600 BROADWAY OAKLAND, CA 94611 and the phone number is (510) 752-1000.

Doula with taxonomy code 374J00000X.