OCCUPATIONAL INDUSTRIAL HEALTH SERVICES
NPI 1528071834
Internal Medicine - Sports Medicine in Philadelphia, PA

NPI Status: Active since August 15, 2006

Contact Information

255 S 17TH ST
SUITE 2001
PHILADELPHIA, PA
ZIP 19103
Phone: (215) 546-7049
Fax: (215) 546-8646

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  • Organization
  • Internal Medicine
  • Sports Medicine

About OCCUPATIONAL INDUSTRIAL HEALTH SERVICES

This page provides the complete NPI Profile along with additional information for Occupational Industrial Health Services, an internist established in Philadelphia, Pennsylvania operating as a Internal Medicine, focusing in sports medicine . The healthcare provider is registered in the NPI registry with number 1528071834 assigned on August 2006. The practitioner's primary taxonomy code is 207RS0010X. The provider is registered as an organization and their NPI record was last updated one year ago. Occupational Industrial Health Services 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 Dr. Gregory Allen Nelson M.d. (Ceo)

NPI
1528071834
Provider Legal Name
OCCUPATIONAL INDUSTRIAL HEALTH SERVICES
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
255 S 17TH ST SUITE 2001 PHILADELPHIA, PA 19103
Location Phone
(215) 546-7049
Location Fax
(215) 546-8646
Mailing Address
255 SOUTH 17TH STREET SUITE 2001 PHILADELPHIA, PA 19143
Mailing Phone
(215) 546-7049
Mailing Fax
(215) 546-8646
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-15-2006
Last Update Date
09-11-2025
Code Navigator

An internist like Occupational Industrial Health Services 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 Sports Medicine

Taxonomy Code
207RS0010X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An internist trained to be responsible for continuous care in the field of sports medicine, not only for the enhancement of health and fitness, but also for the prevention of injury and illness. A sports medicine physician must have knowledge and experience in the promotion of wellness and the prevention of injury. Knowledge about special areas of medicine such as exercise physiology, biomechanics, nutrition, psychology, physical rehabilitation, epidemiology, physical evaluation, injuries (treatment and prevention and referral practice) and the role of exercise in promoting a healthy lifestyle are essential to the practice of sports medicine. The sports medicine physician requires special education to provide the knowledge to improve the healthcare of the individual.

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

 
2111NX0100XChiropractic Providers

Chiropractor
Occupational Health

 
3207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

 
4207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

 
5208100000XAllopathic & Osteopathic Physicians

Physical Medicine & Rehabilitation

 

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.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

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

DR. GREGORY ALLEN NELSON M.D.

Authorized Official Title
CEO
Authorized Official Phone
(215) 546-7049

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
DC006361LOTHER (01)PAALSTON
BB8177152OTHER (01)PABURCH

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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 1528071834, 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
5
Unchanged
Pos 3
2
Doubled → 4
Pos 4
8
Unchanged
Pos 5
0
Doubled → 0
Pos 6
7
Unchanged
Pos 7
1
Doubled → 2
Pos 8
8
Unchanged
Pos 9
3
Doubled → 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 2 → 4 0 → 0 1 → 2 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 4 + 8 + 0 + 7 + 2 + 8 + 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 1528071834.

Other Providers at the Same Location


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

Dentist (General Practice)
255 S 17TH ST, STE 1201
PHILADELPHIA, PA 19103
Psychologist (Counseling)
255 S 17TH ST, STE 1111
PHILADELPHIA, PA 19103
Dentist (General Practice)
255 S 17TH ST, STE 1609
PHILADELPHIA, PA 19103
Psychologist
255 S 17TH ST, SUITE 2900
PHILADELPHIA, PA 19103
Psychologist (Clinical)
255 S 17TH ST, SUITE 804
PHILADELPHIA, PA 19103
Psychologist (Clinical)
255 S 17TH ST, SUITE 1111
PHILADELPHIA, PA 19103
Psychologist (Cognitive & Behavioral)
255 S 17TH ST, MEDICAL TOWER - SUITE 2708
PHILADELPHIA, PA 19103
Social Worker (Clinical)
255 S 17TH ST, SUITE 1509
PHILADELPHIA, PA 19103
Psychologist
255 S 17TH ST, 1508 MEDICAL TOWER BUILDING
PHILADELPHIA, PA 19103
Social Worker (Clinical)
255 S 17TH ST, # 1504
PHILADELPHIA, PA 19103
Internal Medicine
255 S 17TH ST, SUITE 300
PHILADELPHIA, PA 19103
Psychiatry & Neurology (Psychiatry)
255 S 17TH ST, SUITE 1905
PHILADELPHIA, PA 19103
Psychologist
255 S 17TH ST, SUITE 1405
PHILADELPHIA, PA 19103
Social Worker (Clinical)
255 S 17TH ST, SUITE 1405
PHILADELPHIA, PA 19103
Specialist
255 S 17TH ST, SUITE 2200
PHILADELPHIA, PA 19103
Dentist (General Practice)
255 S 17TH ST, SUITE 2507
PHILADELPHIA, PA 19103
Psychologist (Counseling)
255 S 17TH ST, SUITE 1405
PHILADELPHIA, PA 19103
Pharmacist
255 S 17TH ST, MEDICAL TOWER PHARMACY
PHILA, PA 19103
Counselor (Professional)
255 S 17TH ST, SUITE 1405
PHILADELPHIA, PA 19103
Social Worker (Clinical)
255 S 17TH ST, SUITE 1405
PHILADELPHIA, PA 19103

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1528071834, enumerated as an "organization" on August 15, 2006.

The provider is located at 255 S 17TH ST SUITE 2001 PHILADELPHIA, PA 19103 and the phone number is (215) 546-7049.

Internal Medicine with taxonomy code 207RS0010X and a focus in Sports Medicine.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.