DAN E. WILLIAMS PA, PSYD
NPI 1801874664
Physician Assistant - Medical in Janesville, WI

NPI Status: Active since January 03, 2006

Contact Information

3524 E MILWAUKEE ST
JANESVILLE, WI
ZIP 53546
Phone: (608) 756-7100
Fax: (608) 756-4700

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  • Individual
  • Male
  • Years of Experience 45
  • Physician Assistant
  • Medical
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About DAN WILLIAMS

This page provides the complete NPI Profile along with additional information for Dan Williams, a primary care provider established in Janesville, Wisconsin with a medical specialization in Physician Assistant, focusing in medical and more than 45 years of experience. The healthcare provider is registered in the NPI registry with number 1801874664 assigned on January 2006. The practitioner's primary taxonomy code is 363AM0700X with license number 3873-23 (WI). The provider is registered as an individual and his NPI record was last updated 10 years ago.

NPI
1801874664
Provider Name
DAN E. WILLIAMS PA, PSYD
Gender
Male
Entity Type
Individual
Location Address
3524 E MILWAUKEE ST JANESVILLE, WI 53546
Location Phone
(608) 756-7100
Location Fax
(608) 756-4700
Mailing Address
3524 E MILWAUKEE ST JANESVILLE, WI 53546
Mailing Phone
(608) 756-7100
Mailing Fax
(608) 756-4700
Medical School Name
OTHER
Graduation Year
1981
Is Sole Proprietor?
No
Enumeration Date
01-03-2006
Last Update Date
10-26-2016
Code Navigator

A primary care provider (PCP) like Dan Williams 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 Medical

Taxonomy Code
363AM0700X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
3873-23
License State
WI

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)
1363AM0700XPhysician Assistants & Advanced Practice Nursing Providers

Physician Assistant
Medical

8500535 (IL)

Insurance Plans Accepted

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

  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Complete Silver - EPO
  • Complete Silver + Vision + Adult Dental - EPO
  • Elite Bronze - EPO
  • Elite Bronze + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Everyday Gold - EPO
  • Everyday Gold + Vision + Adult Dental - EPO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Elite Bronze - HMO
  • Elite Bronze + Vision + Adult Dental - HMO
  • Elite Gold - HMO
  • Elite Gold + Vision + Adult Dental - HMO
  • Everyday Bronze - HMO
  • Everyday Bronze + Vision + Adult Dental - HMO
  • Everyday Gold - HMO
  • Everyday Gold + Vision + Adult Dental - HMO
  • Clear Gold - EPO
  • Clear Gold + Vision + Adult Dental - EPO
  • Complete Gold - EPO
  • Complete Gold + Vision + Adult Dental - EPO
  • Elite Silver - EPO
  • Elite Silver + Vision + Adult Dental - EPO
  • Everyday Bronze - EPO
  • Everyday Bronze + Vision + Adult Dental - EPO
  • Focused Silver - EPO
  • Focused Silver + Vision + Adult Dental - EPO

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.

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
1801874664MEDICAID (05)WI 
1801874664OTHER (01)WIBCBSWI
207480 - K03439MEDICARE PIN (08)IL 
WILLIDANOTHER (01)WIMERCYCARE INSURANCE
P24387MEDICARE UPIN (02)IL 

Medicare Participation & PECOS Enrollment Status

Dan Williams is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Dan Williams 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

  • PECOS PAC ID: 2163313040

    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: I20040322000591

    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? Yes

    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): 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.

2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc

This refers to a test for COVID-19, caused by the SARS-CoV-2 virus. The test identifies multiple types or subtypes of the virus, including all targets. It's not specifically based on the CDC's testing protocol. It helps determine if you're currently infected with the virus.

This service was performed 82 times for 82 patients

Administration of vaccine

Administering a vaccine involves injecting a small, safe piece of a virus or bacteria into your body. This triggers your immune system to recognize and fight off the disease in the future. It's a vital tool in preventing serious illnesses and maintaining public health.

This service was performed 11 times for 11 patients

Automated urinalysis test

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

This service was performed 42 times for 38 patients

Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19)

This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.

This service was performed 67 times for 62 patients

Detection test by nucleic acid for multiple types influenza virus

A detection test by nucleic acid for multiple types of influenza virus is a diagnostic procedure. It identifies the genetic material of the virus in your body. It's highly accurate and can distinguish between different flu strains, helping in prompt and precise treatment.

This service was performed 28 times for 27 patients

Diphtheria, tetanus, and acellular pertussis vaccine (7 years or older)

The Diphtheria, Tetanus, and Acellular Pertussis vaccine, also known as Tdap, is an immunization given to protect against three serious diseases. It's recommended for those aged 7 or older. The vaccine stimulates your body to build defenses against these infections, promoting overall health.

This service was performed 11 times for 11 patients

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 192 times for 157 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 42 times for 39 patients

Injection of drug or substance under skin or into muscle

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

This service was performed 11 times for 11 patients

New patient office or other outpatient visit, 30-44 minutes

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

This service was performed 146 times for 146 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 37 times for 37 patients

X-ray of chest, 2 views

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

This service was performed 44 times for 35 patients

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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 1801874664, 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
8
Unchanged
Pos 3
0
Doubled → 0
Pos 4
1
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
7
Unchanged
Pos 7
4
Doubled → 8
Pos 8
6
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 0 → 0 8 → 16 → 7 4 → 8 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 0 + 1 + 1 + 6 + 7 + 8 + 6 + 1 + 2 + 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 1801874664.

Other Providers at the Same Location


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

Family Medicine
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Orthopaedic Surgery
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Emergency Medicine
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Family Medicine
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Emergency Medicine
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Ophthalmology
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Dietitian, Registered
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Orthopaedic Surgery (Hand Surgery)
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Family Medicine
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Internal Medicine
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Family Medicine
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Internal Medicine (Gastroenterology)
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Internal Medicine (Gastroenterology)
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Pediatrics
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Otolaryngology
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Physician Assistant (Medical)
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Family Medicine
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Orthopaedic Surgery (Hand Surgery)
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Family Medicine
3524 E MILWAUKEE ST
JANESVILLE, WI 53546
Ophthalmology
3524 E MILWAUKEE ST
JANESVILLE, WI 53546

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1801874664, enumerated as an "individual" on January 03, 2006.

The provider is located at 3524 E MILWAUKEE ST JANESVILLE, WI 53546 and the phone number is (608) 756-7100.

Physician Assistant with taxonomy code 363AM0700X and a focus in Medical.

The provider might be accepting Accepts: Ambetter from Home State Health, Ambetter Health,. Please consult your insurance carrier or call the provider to verify.