DR. WILLIAM GRADY NOLAN JR. MD
NPI 1659952174
Psychiatry & Neurology - Forensic Psychiatry in Sacramento, CA

NPI Status: Active since April 16, 2021

Contact Information

2230 STOCKTON BLVD
SACRAMENTO, CA
ZIP 95817
Phone: (916) 734-2614

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  • Individual
  • Male
  • Psychiatry & Neurology
  • Forensic Psychiatry
  • PECOS Enrolled

About WILLIAM NOLAN

This page provides the complete NPI Profile along with additional information for William Nolan, a provider established in Sacramento, California with a medical specialization in Psychiatry & Neurology, focusing in forensic psychiatry . The healthcare provider is registered in the NPI registry with number 1659952174 assigned on April 2021. The practitioner's primary taxonomy code is 2084F0202X with license number A200938 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1659952174
Provider Name
DR. WILLIAM GRADY NOLAN JR. MD
Gender
Male
Entity Type
Individual
Location Address
2230 STOCKTON BLVD SACRAMENTO, CA 95817
Location Phone
(916) 734-2614
Mailing Address
3901 RAINBOW BLVD # MS 4015 KANSAS CITY, KS 66160
Mailing Phone
(913) 588-6400
Mailing Fax
Is Sole Proprietor?
No
Enumeration Date
04-16-2021
Last Update Date
07-07-2025
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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

Psychiatry & Neurology Forensic Psychiatry

Taxonomy Code
2084F0202X
Type
Allopathic & Osteopathic Physicians
License No.
A200938
License State
CA
Taxonomy Description
Forensic Psychiatry is a subspecialty with psychiatric focus on interrelationships with civil, criminal and administrative law, evaluation and specialized treatment of individuals involved with the legal system, incarcerated in jails, prisons, and forensic psychiatry hospitals.

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)
12084P0800XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Psychiatry

333636 (NY)
22084P0800XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Psychiatry

95-00023 (KS)

Medicare Participation & PECOS Enrollment Status

William Nolan 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

Reviews for DR. WILLIAM GRADY NOLAN JR. MD

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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 1659952174, 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
6
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
5
Unchanged
Pos 7
2
Doubled → 4
Pos 8
1
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 5 → 10 → 1 9 → 18 → 9 2 → 4 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 0 + 9 + 1 + 8 + 5 + 4 + 1 + 1 + 4 + 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 1659952174.

Other Providers at the Same Location


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

Psychiatry & Neurology (Psychiatry)
2230 STOCKTON BLVD
SACRAMENTO, CA 95817
Psychiatry & Neurology (Psychiatry)
2230 STOCKTON BLVD
SACRAMENTO, CA 95817
Psychiatry & Neurology (Psychiatry)
2230 STOCKTON BLVD, DEPT OF PSYCHIATRY
SACRAMENTO, CA 95817
Psychologist
2230 STOCKTON BLVD
SACRAMENTO, CA 95817
Psychiatry & Neurology (Geriatric Psychiatry)
2230 STOCKTON BLVD
SACRAMENTO, CA 95817
Psychiatry & Neurology (Forensic Psychiatry)
2230 STOCKTON BLVD
SACRAMENTO, CA 95817
Psychiatry & Neurology (Psychiatry)
2230 STOCKTON BLVD
SACRAMENTO, CA 95817
Psychiatry & Neurology (Psychiatry)
2230 STOCKTON BLVD
SACRAMENTO, CA 95817
Psychiatry & Neurology (Psychiatry)
2230 STOCKTON BLVD
SACRAMENTO, CA 95817
Psychologist
2230 STOCKTON BLVD
SACRAMENTO, CA 95817
Psychologist
2230 STOCKTON BLVD
SACRAMENTO, CA 95817
Psychiatry & Neurology (Forensic Psychiatry)
2230 STOCKTON BLVD
SACRAMENTO, CA 95817
Psychologist
2230 STOCKTON BLVD
SACRAMENTO, CA 95817
Psychiatry & Neurology (Psychiatry)
2230 STOCKTON BLVD
SACRAMENTO, CA 95817
Psychologist
2230 STOCKTON BLVD
SACRAMENTO, CA 95817
Psychiatry & Neurology (Psychiatry)
2230 STOCKTON BLVD
SACRAMENTO, CA 95817
Psychiatry & Neurology (Geriatric Psychiatry)
2230 STOCKTON BLVD
SACRAMENTO, CA 95817
Psychologist
2230 STOCKTON BLVD
SACRAMENTO, CA 95817
Psychiatry & Neurology (Psychiatry)
2230 STOCKTON BLVD
SACRAMENTO, CA 95817
Psychiatry & Neurology (Forensic Psychiatry)
2230 STOCKTON BLVD
SACRAMENTO, CA 95817

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659952174, enumerated as an "individual" on April 16, 2021.

The provider is located at 2230 STOCKTON BLVD SACRAMENTO, CA 95817 and the phone number is (916) 734-2614.

Psychiatry & Neurology with taxonomy code 2084F0202X and a focus in Forensic Psychiatry.