STEPHEN DOUGLAS RUBIN MD
NPI 1427471903
Internal Medicine - Medical Oncology in Collegeville, PA

NPI Status: Active since February 03, 2014

Contact Information

1250 S COLLEGEVILLE RD
COLLEGEVILLE, PA
ZIP 19426
Phone: (484) 620-9545

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  • Individual
  • Male
  • Internal Medicine
  • Medical Oncology

About STEPHEN RUBIN

This page provides the complete NPI Profile along with additional information for Stephen Rubin, an internist established in Collegeville, Pennsylvania with a medical specialization in Internal Medicine, focusing in medical oncology . The healthcare provider is registered in the NPI registry with number 1427471903 assigned on February 2014. The practitioner's primary taxonomy code is 207RX0202X with license number MD034245E (PA). The provider is registered as an individual and his NPI record was last updated 12 years ago.

NPI
1427471903
Provider Name
STEPHEN DOUGLAS RUBIN MD
Gender
Male
Entity Type
Individual
Location Address
1250 S COLLEGEVILLE RD COLLEGEVILLE, PA 19426
Location Phone
(484) 620-9545
Mailing Address
14 BRIDLE PATH SOUTHAMPTON, NJ 08088
Mailing Phone
(484) 620-9545
Is Sole Proprietor?
Yes
Enumeration Date
02-03-2014
Last Update Date
02-03-2014
Code Navigator

An internist like Stephen Rubin 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 Medical Oncology

Taxonomy Code
207RX0202X
Type
Allopathic & Osteopathic Physicians
License No.
MD034245E
License State
PA
Taxonomy Description
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.

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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 1427471903, 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 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
4
Unchanged
Pos 3
2
Doubled → 4
Pos 4
7
Unchanged
Pos 5
4
Doubled → 8
Pos 6
7
Unchanged
Pos 7
1
Doubled → 2
Pos 8
9
Unchanged
Pos 9
0
Doubled → 0
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 2 → 4 4 → 8 1 → 2 0 → 0

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 + 7 + 2 + 9 + 0 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1427471903.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Internal Medicine (Hematology & Oncology)
1250 S COLLEGEVILLE RD, UP4420
COLLEGEVILLE, PA 19426
Pediatrics (Pediatric Hematology-Oncology)
1250 S COLLEGEVILLE RD, UP 4420
COLLEGEVILLE, PA 19426
Pediatrics (Pediatric Hematology-Oncology)
1250 S COLLEGEVILLE RD, UP1455
COLLEGEVILLE, PA 19426
Internal Medicine
1250 S COLLEGEVILLE RD
COLLEGEVILLE, PA 19426
Internal Medicine (Medical Oncology)
1250 S COLLEGEVILLE RD
COLLEGEVILLE, PA 19426
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1250 S COLLEGEVILLE RD, GLAXOSMITH KLINE PHARMACEUTICAL
COLLEGEVILLE, PA 19426
Pediatrics (Pediatric Hematology-Oncology)
1250 S COLLEGEVILLE RD
COLLEGEVILLE, PA 19426
Internal Medicine (Cardiovascular Disease)
1250 S COLLEGEVILLE RD, MAIL CODE: UP 4300
COLLEGEVILLE, PA 19426
Preventive Medicine (Preventive Medicine/Occupational Environmental Medicine)
1250 S COLLEGEVILLE RD
COLLEGEVILLE, PA 19426
Pediatrics (Pediatric Infectious Diseases)
1250 S COLLEGEVILLE RD
COLLEGEVILLE, PA 19426
Specialist (Research Study)
1250 S COLLEGEVILLE RD
COLLEGEVILLE, PA 19426

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1427471903, enumerated as an "individual" on February 03, 2014.

The provider is located at 1250 S COLLEGEVILLE RD COLLEGEVILLE, PA 19426 and the phone number is (484) 620-9545.

Internal Medicine with taxonomy code 207RX0202X and a focus in Medical Oncology.