WILLIAM J. RUTH MD
NPI 1306931340
Emergency Medicine in South Portland, ME

NPI Status: Active since October 04, 2006

Contact Information

50 FODEN RD STE 3
SOUTH PORTLAND, ME
ZIP 04106
Phone: (207) 523-8500
Fax: (207) 523-8591

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  • Individual
  • Male
  • Years of Experience 29
  • Emergency Medicine
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About WILLIAM RUTH

This page provides the complete NPI Profile along with additional information for William Ruth, a provider established in South Portland, Maine with a medical specialization in Emergency Medicine and more than 29 years of experience. He graduated from Warren Alpert Medical School Of Brown University in 1997. The healthcare provider is registered in the NPI registry with number 1306931340 assigned on October 2006. The practitioner's primary taxonomy code is 207P00000X with license number MD15249 (ME). The provider is registered as an individual and his NPI record was last updated March 2026.

NPI
1306931340
Provider Name
WILLIAM J. RUTH MD
Gender
Male
Entity Type
Individual
Location Address
50 FODEN RD STE 3 SOUTH PORTLAND, ME 04106
Location Phone
(207) 523-8500
Location Fax
(207) 523-8591
Mailing Address
100 GANNETT DR STE C SOUTH PORTLAND, ME 04106
Mailing Phone
(207) 347-2947
Mailing Fax
(207) 523-8591
Medical School Name
WARREN ALPERT MEDICAL SCHOOL OF BROWN UNIVERSITY
Graduation Year
1997
Is Sole Proprietor?
No
Enumeration Date
10-04-2006
Last Update Date
03-03-2026
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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

Emergency Medicine

Taxonomy Code
207P00000X
Type
Allopathic & Osteopathic Physicians
License No.
MD15249
License State
ME
Taxonomy Description
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Medicare Participation & PECOS Enrollment Status

William Ruth 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 Ruth 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: 7911932173

    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: I20050927001191

    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.

Administration of influenza virus vaccine

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

This service was performed 44 times for 44 patients

Analysis for antibody borrelia burgdorferi (lyme disease bacteria)

This test checks for antibodies in your blood that your body may produce in response to Borrelia burgdorferi, the bacteria causing Lyme disease. It helps confirm if you've been infected by a tick carrying this bacteria.

This service was performed 11 times for 11 patients

Bacterial colony count, urine

A bacterial colony count, urine, is a laboratory test that checks a urine sample for bacteria. It helps to identify if an infection is present in the urinary system. High numbers of bacteria in the urine can indicate a urinary tract infection (UTI).

This service was performed 23 times for 23 patients

Blood test, comprehensive group of blood chemicals

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

This service was performed 59 times for 57 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

This service was performed 58 times for 56 patients

Ct scan head or brain without contrast

A CT scan of the head or brain without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your brain, skull, and other structures inside your head. It helps to detect conditions like strokes, tumors, or injuries. No dye (contrast) is used in this test.

This service was performed 22 times for 22 patients

Ct scan of abdomen and pelvis with contrast

A CT scan of the abdomen and pelvis with contrast is an imaging procedure. A special dye, called contrast, is used to make certain areas more visible. This can help identify issues such as infections, tumors, or other abnormalities. The procedure is painless and usually takes about 30 minutes.

This service was performed 24 times for 24 patients

Ct scan of abdomen and pelvis without contrast

A CT scan of the abdomen and pelvis is a non-invasive medical test. It uses special X-ray equipment to create detailed images of your abdominal and pelvic areas. This helps doctors examine organs, tissues, and vessels. No contrast dye is used in this procedure.

This service was performed 11 times for 11 patients

Ct scan of chest without contrast

A CT scan of the chest without contrast is a non-invasive imaging procedure. It uses special X-ray equipment to produce detailed images of your chest area, including your lungs and heart. It can help diagnose conditions such as lung diseases or heart disorders. It doesn't involve any dyes or contrast agents.

This service was performed 28 times for 27 patients

Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066)

Diagnostic digital breast tomosynthesis is a 3D imaging test that allows doctors to examine your breast tissue layer by layer. It's performed on one or both sides. It helps in detecting abnormalities more accurately. It's often done in addition to other tests.

This service was performed 15 times for 15 patients

Diagnostic mammography of 1 breast

Diagnostic mammography of 1 breast is a detailed imaging test that allows doctors to closely examine a specific area in the breast. It's often used when a routine screening reveals an abnormality. This test can help identify any unusual changes or issues.

This service was performed 14 times for 14 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 42 times for 42 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 104 times for 100 patients

Influenza vaccine split virus, preservative free

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

This service was performed 44 times for 44 patients

Injection, gadoterate meglumine, 0.1 ml

Gadoterate meglumine is a contrast agent used in MRI scans to help visualize certain areas of your body more clearly. It's injected into your bloodstream, typically through a vein in your arm, and helps doctors get more detailed images.

This service was performed 2,325 times for 16 patients

Insertion of needle into vein for collection of blood sample

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

This service was performed 61 times for 58 patients

Limited ultrasound scan behind abdominal cavity

A limited ultrasound scan behind the abdominal cavity is a non-invasive imaging method that helps visualize structures in the back of your abdomen. This procedure uses sound waves to create pictures of these areas, assisting in diagnosing certain conditions.

This service was performed 16 times for 16 patients

Limited ultrasound scan of 1 breast

A limited ultrasound scan of one breast is a non-invasive imaging test. It uses sound waves to create pictures of the inside of your breast. It helps identify any unusual growths or changes. It's safe, quick, and typically painless.

This service was performed 20 times for 20 patients

Limited ultrasound scan of abdomen

A limited ultrasound scan of the abdomen is a non-invasive imaging test. It uses sound waves to produce images of the abdominal organs such as the liver, gallbladder, spleen, pancreas, and kidneys. This helps to identify any abnormalities or issues.

This service was performed 24 times for 22 patients

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

This service was performed 3,119 times for 39 patients

Manual urinalysis test with examination using microscope, automated

A manual urinalysis test with automated microscopic examination is a lab process that checks your urine for health indicators. It involves a machine scanning your sample to identify any abnormal elements, which can assist in diagnosing various conditions.

This service was performed 38 times for 37 patients

Mri scan of abdomen before and after contrast

An MRI scan of the abdomen before and after contrast provides detailed images of your abdominal organs. Initially, images are taken without a contrast agent. Then, a safe dye is administered, usually via an IV, to highlight certain areas, giving a clearer picture to help diagnose various conditions.

This service was performed 12 times for 12 patients

Mri scan of brain without contrast

An MRI scan of the brain without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to create detailed images of your brain. It helps in detecting abnormalities like tumors, stroke, inflammation, or infection.

This service was performed 11 times for 11 patients

Mri scan of lower spinal canal without contrast

An MRI scan of the lower spinal canal without contrast is a non-invasive imaging test. It uses a magnetic field and radio waves to produce detailed images of your lower spine. This helps identify issues like disc problems, tumors, or nerve conditions. No dye is used.

This service was performed 20 times for 20 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

This service was performed 17 times for 17 patients

Screening 3d breast mammography

Screening 3D breast mammography is a procedure that uses low-dose X-rays to create detailed images of the breast. This allows for early detection of any unusual changes or growths. It's a non-invasive, outpatient procedure that typically takes about 30 minutes.

This service was performed 55 times for 55 patients

Screening mammography

Screening mammography is a preventative measure that uses low-dose X-rays to take images of the chest area. It's a key tool in early detection of abnormalities, helping to identify issues before they become symptomatic. It is recommended annually for certain age groups.

This service was performed 60 times for 60 patients

Troponin (protein) analysis, quantitative

Troponin analysis is a blood test that checks for damage to the heart. Elevated levels of troponin, a protein in heart cells, can indicate a heart attack. This test helps in early detection and management of heart-related issues.

This service was performed 13 times for 13 patients

Ultrasound scan of head and neck soft tissue

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

This service was performed 11 times for 11 patients

Ultrasound study of one arm or leg veins with compression and maneuvers

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

This service was performed 16 times for 16 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 41 times for 41 patients

X-ray of hip, 2-3 views

An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.

This service was performed 11 times for 11 patients

X-ray of lower and sacral spine, 2-3 views

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

This service was performed 13 times for 13 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $21.68 for a new patient copayment and $24.79 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 04106 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99203

  • Average New Patient Price $86.72
  • Minimum New Patient Price $56.28
  • Maximum New Patient Price $169.96
  • Average New Patient Copayment $21.68
  • Minimum New Patient Copayment $14.07
  • Maximum New Patient Copayment $42.49

Established Patients Visit Costs *

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

  • Average Established Patient Price $99.18
  • Minimum Established Patient Price $18.22
  • Maximum Established Patient Price $138.92
  • Average Established Patient Copayment $24.79
  • Minimum Established Patient Copayment $4.55
  • Maximum Established Patient Copayment $34.73

* 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 1306931340, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
3
Unchanged
Pos 3
0
Doubled → 0
Pos 4
6
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
3
Unchanged
Pos 7
1
Doubled → 2
Pos 8
3
Unchanged
Pos 9
4
Doubled → 8
Check
0
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 1 → 2 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 0 + 6 + 1 + 8 + 3 + 2 + 3 + 8 + 24 = 60

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

The next multiple of ten after 60 is 60. The difference is the calculated check digit.

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1306931340.

Other Providers at the Same Location


The following 15 providers are registered at the same or a nearby location.

Emergency Medicine
50 FODEN RD STE 3
SOUTH PORTLAND, ME 04106
Emergency Medicine
50 FODEN RD STE 3
SOUTH PORTLAND, ME 04106
Pediatrics (Sports Medicine)
50 FODEN RD STE 3
SOUTH PORTLAND, ME 04106
Physician Assistant
50 FODEN RD STE 3
SOUTH PORTLAND, ME 04106
Family Medicine (Sports Medicine)
50 FODEN RD STE 3
SOUTH PORTLAND, ME 04106
Emergency Medicine
50 FODEN RD STE 3
SOUTH PORTLAND, ME 04106
Emergency Medicine
50 FODEN RD STE 3
SOUTH PORTLAND, ME 04106
Emergency Medicine
50 FODEN RD STE 3
SOUTH PORTLAND, ME 04106
Emergency Medicine
50 FODEN RD STE 3
SOUTH PORTLAND, ME 04106
Physician Assistant
50 FODEN RD STE 3
SOUTH PORTLAND, ME 04106
Family Medicine (Sports Medicine)
50 FODEN RD STE 3
SOUTH PORTLAND, ME 04106
Nurse Practitioner (Family)
50 FODEN RD STE 3
SOUTH PORTLAND, ME 04106
Family Medicine (Sports Medicine)
50 FODEN RD STE 3
SOUTH PORTLAND, ME 04106
Emergency Medicine
50 FODEN RD STE 3
SOUTH PORTLAND, ME 04106
Anesthesiology
50 FODEN RD STE 3
SOUTH PORTLAND, ME 04106

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1306931340, enumerated as an "individual" on October 04, 2006.

The provider is located at 50 FODEN RD STE 3 SOUTH PORTLAND, ME 04106 and the phone number is (207) 523-8500.

Emergency Medicine with taxonomy code 207P00000X.