DANIEL WEINBLATT DO
NPI 1801423884
Internal Medicine - Gastroenterology in Bryn Mawr, PA

NPI Status: Active since March 27, 2020

Contact Information

825 OLD LANCASTER RD STE 340
BRYN MAWR, PA
ZIP 19010
Phone: (610) 574-7687

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  • Individual
  • Male
  • Internal Medicine
  • Gastroenterology

About DANIEL WEINBLATT

This page provides the complete NPI Profile along with additional information for Daniel Weinblatt, an internist established in Bryn Mawr, Pennsylvania with a medical specialization in Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1801423884 assigned on March 2020. The practitioner's primary taxonomy code is 207RG0100X with license number OS025665 (PA). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI
1801423884
Provider Name
DANIEL WEINBLATT DO
Gender
Male
Entity Type
Individual
Location Address
825 OLD LANCASTER RD STE 340 BRYN MAWR, PA 19010
Location Phone
(610) 574-7687
Mailing Address
528 WYNLYN RD WYNNEWOOD, PA 19096
Mailing Phone
(610) 574-7687
Is Sole Proprietor?
No
Enumeration Date
03-27-2020
Last Update Date
05-26-2026
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An internist like Daniel Weinblatt is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

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

Internal Medicine Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License No.
OS025665
License State
PA
Taxonomy Description
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

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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 1801423884, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 0 + 1 + 8 + 2 + 6 + 8 + 1 + 6 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1801423884.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Nurse Practitioner (Family)
825 OLD LANCASTER RD STE 340
BRYN MAWR, PA 19010
Physician Assistant
825 OLD LANCASTER RD STE 340
BRYN MAWR, PA 19010
Internal Medicine (Gastroenterology)
825 OLD LANCASTER RD STE 340
BRYN MAWR, PA 19010
Physician Assistant
825 OLD LANCASTER RD STE 340
BRYN MAWR, PA 19010
Internal Medicine (Gastroenterology)
825 OLD LANCASTER RD STE 340
BRYN MAWR, PA 19010

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1801423884, enumerated as an "individual" on March 27, 2020.

The provider is located at 825 OLD LANCASTER RD STE 340 BRYN MAWR, PA 19010 and the phone number is (610) 574-7687.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.