DR. RICHARD G. PESTELL M.D., PHD.
NPI 1134292899
Internal Medicine - Medical Oncology in Philadelphia, PA

NPI Status: Active since November 17, 2006

Contact Information

111 S 11TH ST
SUITE G4240
PHILADELPHIA, PA
ZIP 19107
Phone: (215) 955-8874
Fax: (215) 955-2340

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  • Individual
  • Male
  • Internal Medicine
  • Medical Oncology

About RICHARD PESTELL

This page provides the complete NPI Profile along with additional information for Richard Pestell, an internist established in Philadelphia, Pennsylvania with a medical specialization in Internal Medicine, focusing in medical oncology . The healthcare provider is registered in the NPI registry with number 1134292899 assigned on November 2006. The practitioner's primary taxonomy code is 207RX0202X with license number MD429307 (PA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1134292899
Provider Name
DR. RICHARD G. PESTELL M.D., PHD.
Gender
Male
Entity Type
Individual
Location Address
111 S 11TH ST SUITE G4240 PHILADELPHIA, PA 19107
Location Phone
(215) 955-8874
Location Fax
(215) 955-2340
Mailing Address
615 CHESTNUT ST 14TH FLOOR PHILADELPHIA, PA 19106
Mailing Phone
(215) 955-9457
Mailing Fax
(215) 955-2340
Is Sole Proprietor?
No
Enumeration Date
11-17-2006
Last Update Date
09-11-2025
Code Navigator

An internist like Richard Pestell 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.
MD429307
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.

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)
1207RE0101XAllopathic & Osteopathic Physicians

Internal Medicine
Endocrinology, Diabetes & Metabolism

MD429307 (PA)

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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 1134292899, 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 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.

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

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 6 + 4 + 4 + 9 + 4 + 8 + 1 + 8 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1134292899.

Other Providers at the Same Location


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

Nurse Practitioner (Acute Care)
111 S 11TH ST, SUITE 1950 GIBBON
PHILADELPHIA, PA 19107
Radiology (Diagnostic Radiology)
111 S 11TH ST, SUITE 3390
PHILADELPHIA, PA 19107
Internal Medicine (Medical Oncology)
111 S 11TH ST, SUITE 4240
PHILADELPHIA, PA 19107
Nurse Anesthetist, Certified Registered
111 S 11TH ST
PHILADELPHIA, PA 19107
Emergency Medicine
111 S 11TH ST, THOMAS JEFFERSON UNIVERSITY HOSPITAL
PHILADELPHIA, PA 19107
Radiology (Diagnostic Radiology)
111 S 11TH ST, SUITE 3390
PHILADELPHIA, PA 19107
Social Worker (Clinical)
111 S 11TH ST, BODINE CENTER FOR CANCER TREATMENT
PHILADELPHIA, PA 19107
Radiology (Diagnostic Radiology)
111 S 11TH ST, SUITE 3390
PHILADELPHIA, PA 19107
Internal Medicine
111 S 11TH ST, SUITE 6270
PHILADELPHIA, PA 19107
Radiology (Radiation Oncology)
111 S 11TH ST, BODINE CENTER
PHILADELPHIA, PA 19107
Radiology (Diagnostic Radiology)
111 S 11TH ST, SUITE 3390
PHILADELPHIA, PA 19107
Radiology (Diagnostic Radiology)
111 S 11TH ST, STE 3390
PHILADELPHIA, PA 19107
Anesthesiology
111 S 11TH ST, SUITE 8490
PHILADELPHIA, PA 19107
Anesthesiology
111 S 11TH ST, SUITE 8490
PHILADELPHIA, PA 19107
Radiology (Diagnostic Radiology)
111 S 11TH ST, SUITE 3390
PHILADELPHIA, PA 19107
Anesthesiology
111 S 11TH ST, SUITE 8490
PHILADELPHIA, PA 19107
Anesthesiology
111 S 11TH ST, SUITE 8490
PHILADELPHIA, PA 19107
Radiology (Diagnostic Radiology)
111 S 11TH ST, SUITE 3390
PHILADELPHIA, PA 19107
Radiology (Diagnostic Radiology)
111 S 11TH ST, SUITE 3390
PHILADELPHIA, PA 19107
Radiology (Diagnostic Radiology)
111 S 11TH ST, SUITE 3390
PHILADELPHIA, PA 19107

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1134292899, enumerated as an "individual" on November 17, 2006.

The provider is located at 111 S 11TH ST SUITE G4240 PHILADELPHIA, PA 19107 and the phone number is (215) 955-8874.

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