DR. RACHEL LYNN LEFFERDINK MD
NPI 1124559042
Dermatology in Northfield, IL
NPI Status: Active since March 22, 2017
Contact Information
2181 DRURY LN
NORTHFIELD, IL
ZIP 60093
Phone: (989) 430-7048
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Female
- Dermatology
- PECOS Enrolled
About RACHEL LEFFERDINK
This page provides the complete NPI Profile along with additional information for Rachel Lefferdink, a provider established in Northfield, Illinois with a medical specialization in Dermatology. The healthcare provider is registered in the NPI registry with number 1124559042 assigned on March 2017. The practitioner's primary taxonomy code is 207N00000X with license number 036174349 (IL). The provider is registered as an individual and her NPI record was last updated June 2025.
- NPI
- 1124559042
- Provider Name
- DR. RACHEL LYNN LEFFERDINK MD
- Other Name
- RACHEL LYNN THOMPSON
- Other Name Type
- Former Name (1)
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 2181 DRURY LN NORTHFIELD, IL 60093
- Location Phone
- (989) 430-7048
- Mailing Address
- 2181 DRURY LN NORTHFIELD, IL 60093
- Mailing Phone
- (989) 430-7048
- Is Sole Proprietor?
- No
- Enumeration Date
- 03-22-2017
- Last Update Date
- 06-25-2025
- Code Navigator
A dermatologist like Rachel Lefferdink is a medical specialty involving the management of skin conditions and diseases. Dermatologists diagnose some sexually transmitted diseases, warts, cancer, acne, dermatitis and may offer cosmetic treatments, and therapies that reduce age spots and wrinkles.
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
Dermatology
- Taxonomy Code
- 207N00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 036174349
- License State
- IL
- Taxonomy Description
- A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
Medicare Participation & PECOS Enrollment Status
Rachel Lefferdink 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
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
Physician Visit Costs
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 60093 ZIP code area.
New Patients Visit Costs *
The most utilized procedure code for new patients office visits is 99203
- Average New Patient Price $94.06
- Minimum New Patient Price $60.08
- Maximum New Patient Price $183.39
- Average New Patient Copayment $23.51
- Minimum New Patient Copayment $15.02
- Maximum New Patient Copayment $45.84
Established Patients Visit Costs *
The most utilized procedure code for established patients office visits is 99213
- Average Established Patient Price $74.8
- Minimum Established Patient Price $18.97
- Maximum Established Patient Price $148.12
- Average Established Patient Copayment $18.7
- Minimum Established Patient Copayment $4.74
- Maximum Established Patient Copayment $37.03
* 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 Validation Check Digit Calculation
The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.
| Start with the original NPI number, the last digit is the check digit and is not used in the calculation. | |||||||||
| 1 | 1 | 2 | 4 | 5 | 5 | 9 | 0 | 4 | 2 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 1 | 4 | 4 | 10 | 5 | 18 | 0 | 8 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 1 + 4 + 4 + 1 + 0 + 5 + 1 + 8 + 0 + 8 + 24 = 58 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 60 - 58 = 2 | 2 | ||||||||
The NPI number 1124559042 is valid because the calculated check digit 2 using the Luhn validation algorithm matches the last digit of the original NPI number.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1124559042, enumerated in the NPI registry as an "individual" on March 22, 2017
The provider is located at 2181 Drury Ln Northfield, Il 60093 and the phone number is (989) 430-7048
The provider's speciality is Dermatology with taxonomy code 207N00000X
Yes, as of July 06, 2025 the provider is registered in PECOS and is eligible to order health care services or supplies for Medicare patients. If you are a beneficiary 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.
Medicare beneficiaries should expect a typical cost of $94.06 with an average copayment of $23.51 for new patient appointments. Established patients should expect a typical charge of $74.8 and an average copayment of 18.7. Please review your insurance plan or contact the provider directly to determine your specific costs.
This NPI record was last updated on March 22, 2017. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
NPI Profile data is regularly updated with the latest NPI registry information, if you would like to update or remove your NPI Profile in this website please contact us.
