ADRIENNE LAUREN CARNAHAN PA-C
NPI 1003045139
Physician Assistant in Lancaster, PA

NPI Status: Active since July 10, 2009

Contact Information

231 GRANITE RUN DR
LANCASTER, PA
ZIP 17601
Phone: (717) 560-4200
Fax: (717) 560-4159

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  • Individual
  • Female
  • Years of Experience 17
  • Physician Assistant
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About ADRIENNE CARNAHAN

This page provides the complete NPI Profile along with additional information for Adrienne Carnahan, a primary care provider established in Lancaster, Pennsylvania with a medical specialization in Physician Assistant and more than 17 years of experience. The healthcare provider is registered in the NPI registry with number 1003045139 assigned on July 2009. The practitioner's primary taxonomy code is 363A00000X with license number MA055499 (PA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1003045139
Provider Name
ADRIENNE LAUREN CARNAHAN PA-C
Other Name
ADRIENNE LAUREN RIOTTE
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
231 GRANITE RUN DR LANCASTER, PA 17601
Location Phone
(717) 560-4200
Location Fax
(717) 560-4159
Mailing Address
231 GRANITE RUN DR LANCASTER, PA 17601
Mailing Phone
(717) 560-4200
Mailing Fax
(717) 560-4159
Medical School Name
OTHER
Graduation Year
2009
Is Sole Proprietor?
No
Enumeration Date
07-10-2009
Last Update Date
01-30-2025
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A primary care provider (PCP) like Adrienne Carnahan 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

Taxonomy Code
363A00000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
MA055499
License State
PA
Taxonomy Description
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Medicare Participation & PECOS Enrollment Status

Adrienne Carnahan 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.

Adrienne Carnahan 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: 4082750237

    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: I20120823000433

    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.

Orthotic Devices

  • DME-Orthotic Devices (DF000N)

    Addition to lower extremity, varus/valgus correction, plastic modification, padded/lined (HCPCS:L2275)

    2 DME suppliers used 12 Medicare Claims 12 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.

Application of short leg cast

The application of a short leg cast is a procedure to stabilize and support the lower leg or foot after an injury. A special material is wrapped around the leg, hardening to form a protective shell. This helps to keep the bones in place, reduce pain, and promote healing.

This service was performed 38 times for 22 patients

Cast supplies, short leg cast, adult (11 years +), fiberglass

A short leg cast, made of fiberglass, is used for adults and children aged 11 and up. It's a supportive structure for the lower leg, often used when a bone is broken. The fiberglass material is lightweight, durable, and can be molded to fit your leg comfortably.

This service was performed 53 times for 27 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 153 times for 83 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 16 times for 14 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 24 times for 24 patients

X-ray of ankle, minimum of 3 views

An ankle X-ray is a quick, painless imaging test. It involves capturing at least three different images or 'views' of your ankle using small amounts of radiation. These images help identify any abnormalities or injuries, such as fractures or arthritis.

This service was performed 38 times for 36 patients

X-ray of foot, minimum of 3 views

An X-ray of the foot, minimum of 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the bones and tissues in your foot. This helps to identify fractures, infections, or other abnormalities. Multiple views ensure a comprehensive examination.

This service was performed 75 times for 64 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $21.22 for a new patient copayment and $17.09 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 17601 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $84.88
  • Minimum New Patient Price $54.64
  • Maximum New Patient Price $166.87
  • Average New Patient Copayment $21.22
  • Minimum New Patient Copayment $13.66
  • Maximum New Patient Copayment $41.71

Established Patients Visit Costs *

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

  • Average Established Patient Price $68.36
  • Minimum Established Patient Price $17.33
  • Maximum Established Patient Price $135.84
  • Average Established Patient Copayment $17.09
  • Minimum Established Patient Copayment $4.33
  • Maximum Established Patient Copayment $33.96

* 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. Adrienne Carnahan is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
PENN STATE HEALTH ST. JOSEPH2500 BERNVILLE ROAD
READING, PA 19605
(610) 378-2000Acute Care Hospitals
LANCASTER GENERAL HOSPITAL555 NORTH DUKE STREET
LANCASTER, PA 17602
(717) 544-5511Acute Care Hospitals
WELLSPAN EPHRATA COMMUNITY HOSPITAL169 MARTIN AVENUE
EPHRATA, PA 17522
(717) 733-0311Acute Care Hospitals
PENN STATE HEALTH LANCASTER MEDICAL CENTER2160 STATE ROAD
LANCASTER, PA 17601
(223) 287-9000Acute Care Hospitals

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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 1003045139, we treat the final digit (9) 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 41. The final step is to find the difference between that total and the next multiple of ten (50 - 41 = 9).

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
0
Doubled → 0
Pos 4
3
Unchanged
Pos 5
0
Doubled → 0
Pos 6
4
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
1
Unchanged
Pos 9
3
Doubled → 6
Check
9
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 0 → 0 5 → 10 → 1 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 0 + 4 + 1 + 0 + 1 + 6 + 24 = 41

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

The next multiple of ten after 41 is 50. The difference is the calculated check digit.

50 - 41 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1003045139.

Other Providers at the Same Location


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

Orthopaedic Surgery
231 GRANITE RUN DR
LANCASTER, PA 17601
Orthopaedic Surgery
231 GRANITE RUN DR
LANCASTER, PA 17601
Orthopaedic Surgery
231 GRANITE RUN DR
LANCASTER, PA 17601
Orthopaedic Surgery
231 GRANITE RUN DR
LANCASTER, PA 17601
Orthopaedic Surgery
231 GRANITE RUN DR
LANCASTER, PA 17601
Orthopaedic Surgery
231 GRANITE RUN DR
LANCASTER, PA 17601
Physician Assistant
231 GRANITE RUN DR
LANCASTER, PA 17601
Physical Therapist (Orthopedic)
231 GRANITE RUN DR
LANCASTER, PA 17601
Physical Therapist (Orthopedic)
231 GRANITE RUN DR
LANCASTER, PA 17601
Physical Therapist
231 GRANITE RUN DR
LANCASTER, PA 17601
Occupational Therapist (Hand)
231 GRANITE RUN DR
LANCASTER, PA 17601
Physician Assistant
231 GRANITE RUN DR
LANCASTER, PA 17601
Physical Therapist
231 GRANITE RUN DR
LANCASTER, PA 17601
Occupational Therapist (Hand)
231 GRANITE RUN DR
LANCASTER, PA 17601
Specialist/Technologist (Athletic Trainer)
231 GRANITE RUN DR
LANCASTER, PA 17601
Orthopaedic Surgery
231 GRANITE RUN DR
LANCASTER, PA 17601
Occupational Therapist
231 GRANITE RUN DR
LANCASTER, PA 17601
Physician Assistant
231 GRANITE RUN DR
LANCASTER, PA 17601
Physical Therapist
231 GRANITE RUN DR
LANCASTER, PA 17601
Physician Assistant
231 GRANITE RUN DR
LANCASTER, PA 17601

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003045139, enumerated as an "individual" on July 10, 2009.

The provider is located at 231 GRANITE RUN DR LANCASTER, PA 17601 and the phone number is (717) 560-4200.

Physician Assistant with taxonomy code 363A00000X.

Adrienne Carnahan is affiliated with: PENN STATE HEALTH ST. JOSEPH, LANCASTER GENERAL HOSPITAL, WELLSPAN EPHRATA COMMUNITY HOSPITAL and PENN STATE HEALTH LANCASTER MEDICAL CENTER.