DR. WILLIAM JOSEPH SHERMAN PH.D.
NPI 1346466711
Psychologist - Intellectual and Developmental Disabilities in New Windsor, NY
NPI Status: Active since April 17, 2007
Contact Information
9 LAKESIDE DR
NEW WINDSOR, NY
ZIP 12553
Phone: (845) 496-0740
- Individual
- Male
- Years of Experience 31
- Psychologist
- Intellectual and Developmental Disabilit...
- May Accept Medicare Approved Payment
- PECOS Enrolled
About WILLIAM SHERMAN
This page provides the complete NPI Profile along with additional information for William Sherman, a provider established in New Windsor, New York with a medical specialization in Psychologist, focusing in intellectual and developmental disabilities and more than 31 years of experience. The healthcare provider is registered in the NPI registry with number 1346466711 assigned on April 2007. The practitioner's primary taxonomy code is 103TM1800X with license number 013706-1 (NY). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1346466711
- Provider Name
- DR. WILLIAM JOSEPH SHERMAN PH.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 9 LAKESIDE DR NEW WINDSOR, NY 12553
- Location Phone
- (845) 496-0740
- Mailing Address
- 9 LAKESIDE DRIVE NEW WINDSOR, NY 12553
- Mailing Phone
- (845) 496-0740
- Medical School Name
- OTHER
- Graduation Year
- 1995
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 04-17-2007
- Last Update Date
- 09-11-2025
- Code Navigator
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
Psychologist Intellectual and Developmental Disabilities
- Taxonomy Code
- 103TM1800X
- Type
- Behavioral Health & Social Service Providers
- License No.
- 013706-1
- License State
- NY
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) |
|---|---|---|---|---|
| 1 | 103TC0700X | Behavioral Health & Social Service Providers | Psychologist | 013706-1 (NY) |
| 2 | 103TC2200X | Behavioral Health & Social Service Providers | Psychologist | 013706-1 (NY) |
Medicare Participation & PECOS Enrollment Status
William Sherman is registered with Medicare but maybe doesn't accept claims assignment. If you are a Medicare beneficiary call and confirm with the provider before seeking any services.
William Sherman 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 and Durable Medical Equipment (DME).
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
PECOS PAC ID: 345559662
What is the PECOS Associate Control ID?
A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.PECOS Enrollment ID: I20151027001173
What is the Provider Enrollment ID?
The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.Accepts Medicare Assignment? Maybe
What does it mean "accepts medicare assignment"?
When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.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): No
Eligible to Order or Refer Power Mobility Devices: No
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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 1346466711, we treat the final digit (1) 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 1).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 69 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1346466711, enumerated as an "individual" on April 17, 2007.
The provider is located at 9 LAKESIDE DR NEW WINDSOR, NY 12553 and the phone number is (845) 496-0740.
Psychologist with taxonomy code 103TM1800X and a focus in Intellectual and Developmental Disabilities.