TOBIN N. GERHART MD
NPI 1285684654
Orthopaedic Surgery in Boston, MA

NPI Status: Active since May 10, 2006

Contact Information

133 BROOKLINE AVENUE
BOSTON, MA
ZIP 02215
Phone: (617) 421-8812

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  • Individual
  • Male
  • Orthopaedic Surgery

About TOBIN GERHART

This page provides the complete NPI Profile along with additional information for Tobin Gerhart, a provider established in Boston, Massachusetts with a medical specialization in Orthopaedic Surgery. The healthcare provider is registered in the NPI registry with number 1285684654 assigned on May 2006. The practitioner's primary taxonomy code is 207X00000X with license number 45975 (MA). The provider is registered as an individual and his NPI record was last updated 14 years ago.

NPI
1285684654
Provider Name
TOBIN N. GERHART MD
Gender
Male
Entity Type
Individual
Location Address
133 BROOKLINE AVENUE BOSTON, MA 02215
Location Phone
(617) 421-8812
Mailing Address
147 MILK ST FL 9 BOSTON, MA 02109
Is Sole Proprietor?
No
Enumeration Date
05-10-2006
Last Update Date
12-28-2011
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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

Orthopaedic Surgery

Taxonomy Code
207X00000X
Type
Allopathic & Osteopathic Physicians
License No.
45975
License State
MA
Taxonomy Description
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

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.

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
0106089MEDICAID (05)MA 
CA0377MEDICARE PIN (08)MA 

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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 1285684654, 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
2
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
5
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
8
Unchanged
Pos 7
4
Doubled → 8
Pos 8
6
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 8 → 16 → 7 6 → 12 → 3 4 → 8 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 6 + 5 + 1 + 2 + 8 + 8 + 6 + 1 + 0 + 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 1285684654.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Internal Medicine
133 BROOKLINE AVENUE, HARVARD VANGUARD MED. ASSOC. URGENT CARE
BOSTON, MA 02215
Internal Medicine (Gastroenterology)
133 BROOKLINE AVENUE
BOSTON, MA 02215
Radiology (Diagnostic Radiology)
133 BROOKLINE AVENUE
BOSTON, MA 02215
Social Worker (Clinical)
133 BROOKLINE AVENUE
BOSTON, MA 02215
Dermatology
133 BROOKLINE AVENUE
BOSTON, MA 02215
Nurse Practitioner (Family)
133 BROOKLINE AVENUE
BOSTON, MA 02215

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1285684654, enumerated as an "individual" on May 10, 2006.

The provider is located at 133 BROOKLINE AVENUE BOSTON, MA 02215 and the phone number is (617) 421-8812.

Orthopaedic Surgery with taxonomy code 207X00000X.

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