WILLIAM FITZGERALD DEMAS M.D., F.A.C.R.
NPI 1033100334
Radiology - Radiation Oncology in Akron, OH

NPI Status: Active since November 04, 2005

Contact Information

525 E MARKET ST
AKRON, OH
ZIP 44304
Phone: (330) 375-3557
Fax: (337) 376-1302

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  • Individual
  • Male
  • Years of Experience 45
  • Radiology
  • Radiation Oncology
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About WILLIAM DEMAS

This page provides the complete NPI Profile along with additional information for William Demas, a provider established in Akron, Ohio with a medical specialization in Radiology, focusing in radiation oncology and more than 45 years of experience. He graduated from State University Of New York Downstate Medical Center in 1981. The healthcare provider is registered in the NPI registry with number 1033100334 assigned on November 2005. The practitioner's primary taxonomy code is 2085R0001X with license number 35-054294 (OH). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1033100334
Provider Name
WILLIAM FITZGERALD DEMAS M.D., F.A.C.R.
Gender
Male
Entity Type
Individual
Location Address
525 E MARKET ST AKRON, OH 44304
Location Phone
(330) 375-3557
Location Fax
(337) 376-1302
Mailing Address
75 ARCH ST STE 410 AKRON, OH 44304
Mailing Phone
(330) 376-0928
Mailing Fax
(337) 376-1302
Medical School Name
STATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER
Graduation Year
1981
Is Sole Proprietor?
No
Enumeration Date
11-04-2005
Last Update Date
12-02-2025
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Location Map

Secondary Locations

  • 524 W High St
    Bryan, OH 43506
    (419) 636-9800

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

Radiology Radiation Oncology

Taxonomy Code
2085R0001X
Type
Allopathic & Osteopathic Physicians
License No.
35-054294
License State
OH
Taxonomy Description
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

Insurance Plans Accepted

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

  • Choice Bronze HSA - HMO
  • Choice Bronze HSA + Vision + Adult Dental - HMO
  • Clear Gold - HMO
  • Clear Gold + Vision + Adult Dental - HMO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Complete Silver - HMO
  • Complete Silver + Vision + Adult Dental - HMO
  • Everyday Bronze - HMO
  • Everyday Bronze + Vision + Adult Dental - HMO
  • Clear Silver - HMO
  • Elite Gold - HMO
  • Elite Gold + Vision + Adult Dental - HMO
  • Everyday Gold - HMO
  • Everyday Gold + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Elite Gold - HMO
  • Elite Gold + Vision + Adult Dental - HMO
  • Focused Silver - HMO
  • Focused Silver + Vision + Adult Dental - HMO
  • Standard Gold - HMO
  • Standard Gold + Vision + Adult Dental - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • Anthem Bronze Pathway 10600 ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Bronze Pathway 10600 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Bronze Pathway 7500 Standard ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Bronze Pathway 8500 for HSA - HMO
  • Anthem Gold Pathway 2000 Standard ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Heart Healthy Bronze Pathway 6000 ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Heart Healthy Silver Pathway 5000 ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Silver Pathway 4000 ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Silver Pathway 4000 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Silver Pathway 5500 for HSA - HMO
  • Bronze Complete 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care, $0 Core Rx - HMO
  • Bronze Complete+Dental 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care, $0 Core Rx - HMO
  • Bronze Elite 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care/Referred Labs, $0 Advanced Rx - HMO
  • Bronze Elite+Dental 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care/Referred Labs, $0 Advanced Rx - HMO
  • Bronze Standard - HMO
  • Gold Complete 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care, $0 Core Rx - HMO
  • Gold Complete+Dental 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care, $0 Core Rx - HMO
  • Gold Elite 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care/Referred Labs, $0 Advanced Rx - HMO
  • Gold Elite+Dental 4 $0 Tier-1 PCP Visits, $0 Antidote 24/7 Virtual PCP/Urg/Chronic Care/Referred Labs, $0 Advanced Rx - HMO
  • Gold Standard - HMO
  • Bronze 7500 $25 Generic Drugs - HMO
  • Bronze 7500 $25 Generic Drugs + Adult Vision & Fitness - HMO
  • Core Gold 1500 $10 Generic Drugs - HMO
  • Core Gold 1500 $10 Generic Drugs + Adult Vision & Fitness - HMO
  • Diabetes Gold 3000 $0 Chronic Care Drugs & Services - HMO
  • Diabetes Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
  • Diabetes Silver 5000 $0 Chronic Care Drugs & Services - HMO
  • Diabetes Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
  • Gold 2000 $15 Generic Drugs - HMO
  • Gold 2000 $15 Generic Drugs + Adult Vision & Fitness - HMO
  • Bronze $8,300 w/ Adult Dental ON-EX - HMO
  • Bronze $8,300 w/ Virtual & Wellness ON-EX - HMO
  • Bronze HSA $7,300 ON-EX - HMO
  • Bronze Standard w/ Virtual & Wellness - HMO
  • Gold $1,000 w/ Adult Dental ON-EX - HMO
  • Gold $1,000 w/ Virtual & Wellness ON-EX - HMO
  • Gold $500 w/ Virtual & Wellness ON-EX - HMO
  • Gold Standard w/ Virtual & Wellness - HMO
  • Silver $5,000 w/ Adult Dental ON-EX - HMO
  • Silver $5,000 w/ Virtual & Wellness ON-EX - HMO

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
0636879MEDICAID (05)OH 

Medicare Participation & PECOS Enrollment Status

William Demas 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.

William Demas 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: 648163261

    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: I20040209000387

    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.

Calculation of radiation therapy dose

Radiation therapy dose calculation is a process to determine the exact amount of radiation needed to treat a specific area in the body. This calculation helps ensure the treatment is effective while minimizing harm to healthy tissues. It's a key part of planning your radiation therapy.

This service was performed 36 times for 14 patients

Ct guidance for insertion of radiation therapy fields

CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.

This service was performed 166 times for 17 patients

Ct guidance for insertion of radiation therapy fields

CT guidance for insertion of radiation therapy fields involves using a CT scan to accurately map the area of your body where radiation will be applied. This ensures the radiation targets only the necessary area, minimizing impact to healthy tissues.

This service was performed 128 times for 22 patients

Design and construction of complex radiation treatment device

The design and construction of a complex radiation treatment device is a process where a specialized instrument is created. This device targets harmful cells with high-energy rays to destroy or damage them, while minimizing impact on healthy cells. This aids in treating conditions like cancer.

This service was performed 35 times for 18 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 35 times for 23 patients

New patient office or other outpatient visit, 60-74 minutes

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

This service was performed 14 times for 14 patients

Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved

This procedure involves collecting necessary data to plan the best radiation treatment. It may cover 3 or more areas or any area requiring special attention. Data collection includes imaging scans and tests to understand the disease's extent and to tailor a precise, effective treatment plan.

This service was performed 15 times for 15 patients

Radiation treatment management, 5 treatment sessions

Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.

This service was performed 30 times for 11 patients

Radiation treatment management, 5 treatment sessions

Radiation treatment management involves a series of 5 sessions where targeted radiation is used to destroy or shrink cancer cells in your body. Each session is carefully planned to maximize effectiveness while minimizing harm to healthy tissues. You may experience side effects which will be closely monitored and managed for your comfort.

This service was performed 27 times for 11 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $41.66 for a new patient copayment and $17.01 for an established patient copayment.

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 44304 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99205

  • Average New Patient Price $166.65
  • Minimum New Patient Price $54.34
  • Maximum New Patient Price $166.65
  • Average New Patient Copayment $41.66
  • Minimum New Patient Copayment $13.58
  • Maximum New Patient Copayment $41.66

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99213

  • Average Established Patient Price $68.07
  • Minimum Established Patient Price $17.1
  • Maximum Established Patient Price $135.4
  • Average Established Patient Copayment $17.01
  • Minimum Established Patient Copayment $4.27
  • Maximum Established Patient Copayment $33.85

* 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.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. William Demas is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
SALEM REGIONAL MEDICAL CENTER1995 EAST STATE STREET
SALEM, OH 44460
(330) 332-7214Acute Care Hospitals

Reviews for WILLIAM FITZGERALD DEMAS M.D., F.A.C.R.

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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 1033100334, 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 46. The final step is to find the difference between that total and the next multiple of ten (50 - 46 = 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
0
Unchanged
Pos 3
3
Doubled → 6
Pos 4
3
Unchanged
Pos 5
1
Doubled → 2
Pos 6
0
Unchanged
Pos 7
0
Doubled → 0
Pos 8
3
Unchanged
Pos 9
3
Doubled → 6
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 3 → 6 1 → 2 0 → 0 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 6 + 3 + 2 + 0 + 0 + 3 + 6 + 24 = 46

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

The next multiple of ten after 46 is 50. The difference is the calculated check digit.

50 - 46 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1033100334.

Other Providers at the Same Location


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

Radiology (Diagnostic Radiology)
525 E MARKET ST
AKRON, OH 44304
Pathology (Anatomic Pathology & Clinical Pathology)
525 E MARKET ST
AKRON, OH 44304
Pharmacist
525 E MARKET ST, PHARMACY DEPT
AKRON, OH 44304
Pharmacist
525 E MARKET ST, PHARMACY
AKRON, OH 44304
Pharmacist
525 E MARKET ST
AKRON, OH 44304
Internal Medicine (Critical Care Medicine)
525 E MARKET ST, STE 1N
AKRON, OH 44304
Internal Medicine
525 E MARKET ST, SUITE 1N
AKRON, OH 44304
Internal Medicine (Critical Care Medicine)
525 E MARKET ST, SUITE 1N
AKRON, OH 44304
Internal Medicine (Critical Care Medicine)
525 E MARKET ST, SUITE 1N
AKRON, OH 44304
Obstetrics & Gynecology
525 E MARKET ST, ANNEX 3
AKRON, OH 44304
Pathology (Anatomic Pathology & Clinical Pathology)
525 E MARKET ST
AKRON, OH 44304
Pathology (Anatomic Pathology & Clinical Pathology)
525 E MARKET ST
AKRON, OH 44304
Pathology (Anatomic Pathology & Clinical Pathology)
525 E MARKET ST
AKRON, OH 44304
Pathology (Hematology)
525 E MARKET ST
AKRON, OH 44304
Nurse Practitioner (Acute Care)
525 E MARKET ST, ANNEX 3
AKRON, OH 44304
Radiology (Diagnostic Radiology)
525 E MARKET ST
AKRON, OH 44304
Nurse Practitioner
525 E MARKET ST, ANNEX 3
AKRON, OH 44304
Psychologist
525 E MARKET ST, ANNEX 3
AKRON, OH 44304
Clinical Nurse Specialist (Medical-Surgical)
525 E MARKET ST, ANNEX 3
AKRON, OH 44304
Emergency Medicine
525 E MARKET ST
AKRON, OH 44304

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1033100334, enumerated as an "individual" on November 04, 2005.

The provider is located at 525 E MARKET ST AKRON, OH 44304 and the phone number is (330) 375-3557.

Radiology with taxonomy code 2085R0001X and a focus in Radiation Oncology.

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

William Demas is affiliated with: SALEM REGIONAL MEDICAL CENTER.