WILLIAM D GRAINGER MD
NPI 1003963679
Psychiatry & Neurology - Neurology in Gilbert, AZ

NPI Status: Active since January 04, 2007

Contact Information

726 N GREENFIELD RD
SUITE 110
GILBERT, AZ
ZIP 85234
Phone: (480) 834-8885
Fax: (480) 751-5724

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Neurology
  • Accepts Insurance
  • PECOS Enrolled

About WILLIAM GRAINGER

This page provides the complete NPI Profile along with additional information for William Grainger, a provider established in Gilbert, Arizona with a medical specialization in Psychiatry & Neurology, focusing in neurology . The healthcare provider is registered in the NPI registry with number 1003963679 assigned on January 2007. The practitioner's primary taxonomy code is 2084N0400X with license number AZ15336 (AZ). The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1003963679
Provider Name
WILLIAM D GRAINGER MD
Gender
Male
Entity Type
Individual
Location Address
726 N GREENFIELD RD SUITE 110 GILBERT, AZ 85234
Location Phone
(480) 834-8885
Location Fax
(480) 751-5724
Mailing Address
1343 N ALMA SCHOOL RD STE 160 CHANDLER, AZ 85224
Mailing Phone
(480) 776-2982
Mailing Fax
(480) 751-5724
Is Sole Proprietor?
No
Enumeration Date
01-04-2007
Last Update Date
06-30-2021
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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

Psychiatry & Neurology Neurology

Taxonomy Code
2084N0400X
Type
Allopathic & Osteopathic Physicians
License No.
AZ15336
License State
AZ
Taxonomy Description
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

Insurance Plans Accepted

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

  • AZ Blue ACA StandardHealth Silver with Health Choice - HMO

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

Medicare Participation & PECOS Enrollment Status

William Grainger is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Established patient office or other outpatient visit, 20-29 minutes

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

This service was performed 279 times for 187 patients

Established patient office or other outpatient visit, 30-39 minutes

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 208 times for 149 patients

New patient office or other outpatient visit, 45-59 minutes

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

This service was performed 69 times for 69 patients

Physician Visit Costs

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 85234 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $127.71
  • Minimum New Patient Price $55.44
  • Maximum New Patient Price $168.6
  • Average New Patient Copayment $31.92
  • Minimum New Patient Copayment $13.86
  • Maximum New Patient Copayment $42.15

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $98
  • Minimum Established Patient Price $17.72
  • Maximum Established Patient Price $137.41
  • Average Established Patient Copayment $24.5
  • Minimum Established Patient Copayment $4.43
  • Maximum Established Patient Copayment $34.35

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

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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 1003963679, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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
0
Unchanged
Pos 3
0
Doubled → 0
Pos 4
3
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
6
Unchanged
Pos 7
3
Doubled → 6
Pos 8
6
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 0 → 0 9 → 18 → 9 3 → 6 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 1 + 8 + 6 + 6 + 6 + 1 + 4 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1003963679.

Other Providers at the Same Location


The following 18 providers are registered at the same or a nearby location.

Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
726 N GREENFIELD RD, #110
GILBERT, AZ 85234
Audiologist
726 N GREENFIELD RD, STE. 101
GILBERT, AZ 85234
Dentist (General Practice)
726 N GREENFIELD RD, STE 126
GILBERT, AZ 85234
Dentist (Oral and Maxillofacial Surgery)
726 N GREENFIELD RD, SUITE #117
GILBERT, AZ 85234
Otolaryngology
726 N GREENFIELD RD, SUITE 101
GILBERT, AZ 85234
Dentist (Oral and Maxillofacial Surgery)
726 N GREENFIELD RD, SUITE 117
GILBERT, AZ 85234
Surgery
726 N GREENFIELD RD, SUITE 105
GILBERT, AZ 85234
Surgery
726 N GREENFIELD RD, SUITE 105
GILBERT, AZ 85234
Surgery
726 N GREENFIELD RD, SUITE 105
GILBERT, AZ 85234
Surgery
726 N GREENFIELD RD, SUITE 105
GILBERT, AZ 85234
Orthopaedic Surgery
726 N GREENFIELD RD, SUITE 108
GILBERT, AZ 85234
Psychiatry & Neurology (Neurology)
726 N GREENFIELD RD, SUITE 110
GILBERT, AZ 85234
Behavior Technician
726 N GREENFIELD RD
GILBERT, AZ 85234
Behavior Technician
726 N GREENFIELD RD
GILBERT, AZ 85234
Behavior Technician
726 N GREENFIELD RD
GILBERT, AZ 85234
Behavior Technician
726 N GREENFIELD RD
GILBERT, AZ 85234
Behavior Technician
726 N GREENFIELD RD
GILBERT, AZ 85234
Behavior Technician
726 N GREENFIELD RD
GILBERT, AZ 85234

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003963679, enumerated as an "individual" on January 04, 2007.

The provider is located at 726 N GREENFIELD RD SUITE 110 GILBERT, AZ 85234 and the phone number is (480) 834-8885.

Psychiatry & Neurology with taxonomy code 2084N0400X and a focus in Neurology.

The provider might be accepting Accepts: Blue Cross Blue Shield of Arizona. Please consult your insurance carrier or call the provider to verify.