MARCUS STAMMEN DO
NPI 1861070203
Dermatology in Sycamore, IL
NPI Status: Active since March 29, 2021
Contact Information
2530 HAUSER ROSS DR STE 100
SYCAMORE, IL
ZIP 60178
Phone: (815) 766-9903
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
- Individual
- Male
- Dermatology
About MARCUS STAMMEN
This page provides the complete NPI Profile along with additional information for Marcus Stammen, a provider established in Sycamore, Illinois with a medical specialization in Dermatology. The healthcare provider is registered in the NPI registry with number 1861070203 assigned on March 2021. The practitioner's primary taxonomy code is 207N00000X with license number 036176359 (IL). The provider is registered as an individual and his NPI record was last updated August 2025.
- NPI
- 1861070203
- Provider Name
- MARCUS STAMMEN DO
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 2530 HAUSER ROSS DR STE 100 SYCAMORE, IL 60178
- Location Phone
- (815) 766-9903
- Mailing Address
- 2530 HAUSER ROSS DR SYCAMORE, IL 60178
- Mailing Phone
- (815) 766-9903
- Mailing Fax
- Is Sole Proprietor?
- No
- Enumeration Date
- 03-29-2021
- Last Update Date
- 08-04-2025
- Code Navigator
A dermatologist like Marcus Stammen 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.
- 036176359
- 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.
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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 | 8 | 6 | 1 | 0 | 7 | 0 | 2 | 0 | 3 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 8 | 12 | 1 | 0 | 7 | 0 | 2 | 0 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 8 + 1 + 2 + 1 + 0 + 7 + 0 + 2 + 0 + 24 = 47 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 50 - 47 = 3 | 3 | ||||||||
The NPI number 1861070203 is valid because the calculated check digit 3 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 1861070203, enumerated in the NPI registry as an "individual" on March 29, 2021
The provider is located at 2530 Hauser Ross Dr Ste 100 Sycamore, Il 60178 and the phone number is (815) 766-9903
The provider's speciality is Dermatology with taxonomy code 207N00000X
This NPI record was last updated on March 29, 2021. 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].
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