ROBERT CONWAY DUFFER JR. PA
NPI 1013944925
Physician Assistant in Hartfield, VA

NPI Status: Active since June 27, 2006

Contact Information

9891 GENERAL PULLER HWY
HARTFIELD, VA
ZIP 23071
Phone: (804) 776-9221
Fax: (804) 776-7537

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  • Individual
  • Male
  • Physician Assistant

About ROBERT DUFFER

This page provides the complete NPI Profile along with additional information for Robert Duffer, a primary care provider established in Hartfield, Virginia with a medical specialization in Physician Assistant. The healthcare provider is registered in the NPI registry with number 1013944925 assigned on June 2006. The practitioner's primary taxonomy code is 363A00000X with license number 0110840439 (VA). The provider is registered as an individual and his NPI record was last updated 11 years ago.

NPI
1013944925
Provider Name
ROBERT CONWAY DUFFER JR. PA
Gender
Male
Entity Type
Individual
Location Address
9891 GENERAL PULLER HWY HARTFIELD, VA 23071
Location Phone
(804) 776-9221
Location Fax
(804) 776-7537
Mailing Address
PO BOX 1328 KILMARNOCK, VA 22482
Mailing Phone
(804) 435-8570
Mailing Fax
(804) 776-7537
Is Sole Proprietor?
No
Enumeration Date
06-27-2006
Last Update Date
05-11-2015
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A primary care provider (PCP) like Robert Duffer sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

Physician Assistant

Taxonomy Code
363A00000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
0110840439
License State
VA
Taxonomy Description
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

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
017651R53MEDICARE PIN (08)VA 
P00616663MEDICARE PIN (08)VA 
VV1034AMEDICARE PIN (08)VA 

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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 1013944925, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
0
Unchanged
Pos 3
1
Doubled → 2
Pos 4
3
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
4
Unchanged
Pos 7
4
Doubled → 8
Pos 8
9
Unchanged
Pos 9
2
Doubled → 4
Check
5
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 1 → 2 9 → 18 → 9 4 → 8 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 2 + 3 + 1 + 8 + 4 + 8 + 9 + 4 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1013944925.

Other Providers at the Same Location


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

Nurse Practitioner
9891 GENERAL PULLER HWY
HARTFIELD, VA 23071
Family Medicine
9891 GENERAL PULLER HWY
HARTFIELD, VA 23071
Family Medicine
9891 GENERAL PULLER HWY
HARTFIELD, VA 23071
Clinic/Center (Rural Health)
9891 GENERAL PULLER HWY
HARTFIELD, VA 23071
Family Medicine
9891 GENERAL PULLER HWY
HARTFIELD, VA 23071
Nurse Practitioner (Family)
9891 GENERAL PULLER HWY
HARTFIELD, VA 23071

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1013944925, enumerated as an "individual" on June 27, 2006.

The provider is located at 9891 GENERAL PULLER HWY HARTFIELD, VA 23071 and the phone number is (804) 776-9221.

Physician Assistant with taxonomy code 363A00000X.

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