DR. GARY GOLDENBERG. INC
NPI 1891823449
Internal Medicine in Philadelphia, PA

NPI Status: Active since March 02, 2007

Contact Information

3641 LANCASTER AVE
PHILADELPHIA, PA
ZIP 19104
Phone: (215) 387-1025
Fax: (215) 387-0765

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  • Organization
  • Internal Medicine

About DR. GARY GOLDENBERG. INC

This page provides the complete NPI Profile along with additional information for Dr. Gary Goldenberg. Inc, an internist established in Philadelphia, Pennsylvania operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1891823449 assigned on March 2007. The practitioner's primary taxonomy code is 207R00000X with license number OS002335L (PA). The provider is registered as an organization and their NPI record was last updated one year ago. Dr. Gary Goldenberg. Inc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The provider's . The authorized official of this NPI record is Gary Goldenberg M.d. (Owner)

NPI
1891823449
Provider Legal Name
DR. GARY GOLDENBERG. INC
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
3641 LANCASTER AVE PHILADELPHIA, PA 19104
Location Phone
(215) 387-1025
Location Fax
(215) 387-0765
Mailing Address
3641 LANCASTER AVE PHILADELPHIA, PA 19104
Mailing Phone
(215) 387-1025
Mailing Fax
(215) 387-0765
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-02-2007
Last Update Date
09-11-2025
Code Navigator

An internist like Dr. Gary Goldenberg. Inc 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

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
OS002335L
License State
PA
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

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)
1111N00000XChiropractic Providers

Chiropractor

DC0051922 (PA)

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

GARY GOLDENBERG M.D.

Authorized Official Title
OWNER
Authorized Official Phone
(215) 387-1025

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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 1891823449, 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
8
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
2
Unchanged
Pos 7
3
Doubled → 6
Pos 8
4
Unchanged
Pos 9
4
Doubled → 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 9 → 18 → 9 8 → 16 → 7 3 → 6 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 1 + 6 + 2 + 6 + 4 + 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 1891823449.

Other Providers at the Same Location


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

Social Worker (Clinical)
3641 LANCASTER AVE
PHILADELPHIA, PA 19104
Counselor (Professional)
3641 LANCASTER AVE
PHILADELPHIA, PA 19104
Counselor (Professional)
3641 LANCASTER AVE
PHILADELPHIA, PA 19104
Psychologist (Cognitive & Behavioral)
3641 LANCASTER AVE
PHILADELPHIA, PA 19104
Psychologist (Cognitive & Behavioral)
3641 LANCASTER AVE
PHILADELPHIA, PA 19104

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891823449, enumerated as an "organization" on March 02, 2007.

The provider is located at 3641 LANCASTER AVE PHILADELPHIA, PA 19104 and the phone number is (215) 387-1025.

Internal Medicine with taxonomy code 207R00000X.