PETER SHAY JOHNSTON MD
NPI 1194946095
Orthopaedic Surgery in Leonardtown, MD
NPI Status: Active since May 01, 2007
Contact Information
23000 MOAKLEY STREET
SUITE 102
LEONARDTOWN, MD
ZIP 20650
Phone: (301) 475-5555
Fax: (301) 475-8535
- Individual
- Male
- Years of Experience 21
- Orthopaedic Surgery
- Accepts Medicare Approved Payment
- PECOS Enrolled
About PETER JOHNSTON
This page provides the complete NPI Profile along with additional information for Peter Johnston, a provider established in Leonardtown, Maryland with a medical specialization in Orthopaedic Surgery and more than 21 years of experience. He graduated from Wayne State University School Of Medicine in 2005. The healthcare provider is registered in the NPI registry with number 1194946095 assigned on May 2007. The practitioner's primary taxonomy code is 207X00000X with license number D0072342 (MD). The provider is registered as an individual and his NPI record was last updated 13 years ago.
- NPI
- 1194946095
- Provider Name
- PETER SHAY JOHNSTON MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 23000 MOAKLEY STREET SUITE 102 LEONARDTOWN, MD 20650
- Location Phone
- (301) 475-5555
- Location Fax
- (301) 475-8535
- Mailing Address
- 23000 MOAKLEY STREET SUITE 102 LEONARDTOWN, MD 20650
- Mailing Phone
- (301) 475-5555
- Mailing Fax
- (301) 475-8535
- Medical School Name
- WAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
- Graduation Year
- 2005
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 05-01-2007
- Last Update Date
- 05-09-2013
- 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
Orthopaedic Surgery
- Taxonomy Code
- 207X00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- D0072342
- License State
- MD
- Taxonomy Description
- An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
Medicare Participation & PECOS Enrollment Status
Peter Johnston 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.
Peter Johnston 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: 6507037652
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: I20110921000132
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
Provider Referred Orders for Durable Medical Equipment, Devices & Supplies
The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.
Durable Medical Equipment
DME-Other DME (DE000N)
Neuromuscular stimulator, electronic shock unit (HCPCS:E0745)
1 DME suppliers used 13 Medicare Claims 13 Services Paid
Orthotic Devices
DME-Orthotic Devices (DF000N)
Shoulder orthosis, acromio/clavicular (canvas and webbing type), prefabricated, off-the-shelf (HCPCS:L3670)
1 DME suppliers used 22 Medicare Claims 22 Services Paid
DME-Orthotic Devices (DF000N)
Wrist hand finger orthosis, without joint(s), prefabricated, off-the-shelf, any type (HCPCS:L3809)
1 DME suppliers used 12 Medicare Claims 12 Services Paid
DME-Orthotic Devices (DF000N)
Wrist hand orthosis, wrist extension control cock-up, non molded, prefabricated, off-the-shelf (HCPCS:L3908)
1 DME suppliers used 13 Medicare Claims 13 Services Paid
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.
Anchoring of biceps tendon
Aspiration and/or injection of fluid from large joint
Aspiration and/or injection of fluid from medium joint
Established patient office or other outpatient visit, 10-19 minutes
Established patient office or other outpatient visit, 20-29 minutes
Established patient office or other outpatient visit, 30-39 minutes
Incision of shoulder tendon
Injection, triamcinolone acetonide, not otherwise specified, 10 mg
New patient office or other outpatient visit, 30-44 minutes
New patient office or other outpatient visit, 45-59 minutes
Prosthetic repair of shoulder joint, total shoulder
Removal of extensive shoulder joint tissue using an endoscope
Repair of shoulder rotator cuff using an endoscope
Shaving of part of shoulder bone and repair of ligament using an endoscope
Test or measurement for functional capacity, each 15 minutes
Upper limb (arm) arthroscopy (minimally invasive joint repair)
X-ray of elbow, minimum of 3 views
X-ray of finger, minimum of 2 views
X-ray of hand, minimum of 3 views
X-ray of hip, 2-3 views
X-ray of knee, 3 views
X-ray of knee, 4 or more views
X-ray of lower and sacral spine, 2-3 views
X-ray of shoulder, minimum of 2 views
X-ray of upper spine, 2-3 views
X-ray of wrist, minimum of 3 views
Anchoring of the biceps tendon is a surgical procedure aimed at restoring stability to your arm. The surgeon secures your biceps tendon to the bone using special anchors, which helps to reduce pain and improve arm function.
This service was performed 17 times for 16 patientsThis procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
This service was performed 271 times for 221 patientsThis procedure involves a needle being inserted into a medium-sized joint, such as a knee or shoulder, to remove (aspirate) excess fluid. Sometimes, medication may also be injected into the joint to reduce inflammation and pain.
This service was performed 23 times for 22 patientsThis is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
This service was performed 54 times for 47 patientsThis 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 673 times for 509 patientsThis 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 351 times for 266 patientsAn incision of the shoulder tendon is a surgical procedure where a small cut is made to access the affected tendon. It's typically done to repair damage, such as a tear, and can help to alleviate pain and restore shoulder function. The procedure is performed under anesthesia.
This service was performed 67 times for 65 patientsTriamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
This service was performed 1,133 times for 216 patientsThis 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 47 times for 47 patientsThis 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 51 times for 51 patientsTotal shoulder prosthetic repair is a surgical procedure to replace a damaged shoulder joint with artificial components. It aims to relieve pain and restore mobility. The procedure involves replacing the ball (humeral head) and socket (glenoid) of the shoulder joint.
This service was performed 83 times for 81 patientsThis procedure, known as arthroscopic debridement, involves using a small camera (endoscope) to view your shoulder joint. Damaged or unwanted tissue is then carefully removed. This minimally invasive technique aims to reduce pain and improve joint mobility.
This service was performed 29 times for 28 patientsThis procedure, known as arthroscopic rotator cuff repair, helps fix tears in the shoulder's rotator cuff. An endoscope, a small camera, is used to view the shoulder inside. Using small tools, the surgeon repairs the torn tissue. This minimally invasive approach often leads to a quicker recovery.
This service was performed 21 times for 21 patientsThis procedure involves using a tiny camera, called an endoscope, to view and repair a damaged shoulder ligament. Simultaneously, a small portion of the shoulder bone is shaved to alleviate discomfort and improve movement. It's a minimally invasive technique that aids in a quicker recovery.
This service was performed 17 times for 16 patientsThis procedure measures your functional capacity, or ability to perform tasks, over 15-minute intervals. It can help identify limitations or improvements in your physical abilities. The test may involve activities like walking, lifting, or bending.
This service was performed 266 times for 220 patientsUpper limb arthroscopy is a minimally invasive procedure used to examine and treat issues within your arm's joints. A small camera, called an arthroscope, is inserted through a tiny incision, providing a clear view of the joint. This method often results in less pain and faster recovery compared to open surgery.
This service was performed for 32 patientsAn elbow X-ray with a minimum of 3 views is a non-invasive imaging test. It helps visualize the bones of the elbow from different angles. This aids in diagnosing conditions like fractures or arthritis. The procedure is quick, painless, and usually takes around 15 minutes.
This service was performed 42 times for 30 patientsAn X-ray of the finger involves capturing images of your finger from at least two different angles. This non-invasive procedure helps in visualizing the bones and joints, aiding in the diagnosis of fractures, infections, or other abnormalities. Minimal discomfort may be experienced.
This service was performed 20 times for 16 patientsAn X-ray of the hand, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones in your hand from different angles. This helps in diagnosing fractures, infections, arthritis, or other abnormalities. It's quick and painless.
This service was performed 14 times for 14 patientsAn 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 16 times for 15 patientsAn X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.
This service was performed 37 times for 28 patientsAn X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.
This service was performed 33 times for 24 patientsAn 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 20 times for 19 patientsAn X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.
This service was performed 1,011 times for 622 patientsAn X-ray of the upper spine, with 2-3 views, is a painless procedure that employs a small amount of radiation to capture images of your neck and upper back. It assists in diagnosing conditions like arthritis, fractures, or spinal deformities.
This service was performed 94 times for 94 patientsAn X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.
This service was performed 29 times for 24 patientsPhysician Visit Costs
The typical physician office visit costs for Medicare beneficiaries in this area are: $22.43 for a new patient copayment and $18.05 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 20650 ZIP code area.
New Patients Visit Costs *
The most utilized procedure code for new patients office visits is 99203
- Average New Patient Price $89.75
- Minimum New Patient Price $57.99
- Maximum New Patient Price $175.57
- Average New Patient Copayment $22.43
- Minimum New Patient Copayment $14.49
- Maximum New Patient Copayment $43.89
Established Patients Visit Costs *
The most utilized procedure code for established patients office visits is 99213
- Average Established Patient Price $72.23
- Minimum Established Patient Price $18.66
- Maximum Established Patient Price $143.02
- Average Established Patient Copayment $18.05
- Minimum Established Patient Copayment $4.66
- Maximum Established Patient Copayment $35.75
* 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. Peter Johnston is affiliated with the following medical facilities:
| Hospital Name | Address | Phone | Hospital Type | Overall Rating |
|---|---|---|---|---|
| MEDSTAR SAINT MARY'S HOSPITAL | 25500 POINT LOOKOUT ROAD LEONARDTOWN, MD 20650 | (301) 475-6001 | Acute Care Hospitals |
Reviews for PETER SHAY JOHNSTON MD
There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.
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 1194946095, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).
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 65 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 3 providers are registered at the same or a nearby location.
LEONARDTOWN, MD 20650
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1194946095, enumerated as an "individual" on May 01, 2007.
The provider is located at 23000 MOAKLEY STREET SUITE 102 LEONARDTOWN, MD 20650 and the phone number is (301) 475-5555.
Orthopaedic Surgery with taxonomy code 207X00000X.
Peter Johnston is affiliated with: MEDSTAR SAINT MARY'S HOSPITAL.