DR. MELANIE NATASHA RAYAN MD
NPI 1922617869
Internal Medicine - Endocrinology, Diabetes & Metabolism in Rapid City, SD
NPI Status: Active since July 27, 2020
Contact Information
640 FLORMANN ST
RAPID CITY, SD
ZIP 57701
Phone: (224) 625-0050
- Individual
- Female
- Internal Medicine
- Endocrinology, Diabetes & Metabolism
About MELANIE RAYAN
This page provides the complete NPI Profile along with additional information for Melanie Rayan, an internist established in Rapid City, South Dakota with a medical specialization in Internal Medicine, focusing in endocrinology, diabetes & metabolism . The healthcare provider is registered in the NPI registry with number 1922617869 assigned on July 2020. The practitioner's primary taxonomy code is 207RE0101X with license number 15781 (SD). The provider is registered as an individual and her NPI record was last updated July 2025.
- NPI
- 1922617869
- Provider Name
- DR. MELANIE NATASHA RAYAN MD
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 640 FLORMANN ST RAPID CITY, SD 57701
- Location Phone
- (224) 625-0050
- Mailing Address
- 325 N STATE OF FRANKLIN RD JOHNSON CITY, TN 37604
- Mailing Phone
- (423) 439-7280
- Mailing Fax
- Is Sole Proprietor?
- No
- Enumeration Date
- 07-27-2020
- Last Update Date
- 07-02-2025
- Code Navigator
An internist like Melanie Rayan is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, 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
Internal Medicine Endocrinology, Diabetes & Metabolism
- Taxonomy Code
- 207RE0101X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 15781
- License State
- SD
- Taxonomy Description
- An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
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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 | 9 | 2 | 2 | 6 | 1 | 7 | 8 | 6 | 9 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 9 | 4 | 2 | 12 | 1 | 14 | 8 | 12 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 9 + 4 + 2 + 1 + 2 + 1 + 1 + 4 + 8 + 1 + 2 + 24 = 61 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 70 - 61 = 9 | 9 | ||||||||
The NPI number 1922617869 is valid because the calculated check digit 9 using the Luhn validation algorithm matches the last digit of the original NPI number.
Other Providers at the Same Location
The following 20 providers are registered at the same or nearby location.
| NPI | Name / Type | Taxonomy | Address |
|---|---|---|---|
| 1720095474 | JAN C MANGELSEN CNM Individual | Midwife | 640 FLORMANN ST SUITE 400 RAPID CITY, SD 57701 (605) 342-7400 |
| 1699875492 | EMBER JOY BARTELS CNA Individual | Nurse's Aide | 640 FLORMANN ST RAPID CITY, SD 57701 (605) 718-3343 |
| 1487747176 | ROCKY MOUNTAIN SLEEP DIAGNOSTICS, LLC Organization | Clinic/Center (Sleep Disorder Diagnostic) | 640 FLORMANN ST SUITE 145 RAPID CITY, SD 57701 (605) 343-2222 |
| 1013078500 | MRS. KIM RENAE NOYES CFA Individual | 640 FLORMANN ST RAPID CITY, SD 57701 (605) 718-3100 | |
| 1336319763 | REGIONAL HEALTH PHYSICIANS INC Organization | Durable Medical Equipment & Medical Supplies | 640 FLORMANN ST RAPID CITY, SD 57701 (605) 718-3300 |
| 1740274943 | MARY BETH KRANCE MD Individual | Internal Medicine (Infectious Disease) | 640 FLORMANN ST RAPID CITY, SD 57701 (605) 718-3300 |
| 1255301305 | SHARI A FECHNER CNP Individual | Nurse Practitioner | 640 FLORMANN ST RAPID CITY, SD 57701 (605) 718-3300 |
| 1003886680 | DR. JAMES A ENGELBRECHT MD Individual | Internal Medicine | 640 FLORMANN ST RAPID CITY, SD 57701 (605) 718-3300 |
| 1114993128 | MANUEL DE JESUS ARBO MD Individual | Internal Medicine (Infectious Disease) | 640 FLORMANN ST RAPID CITY, SD 57701 (605) 718-3300 |
| 1851349906 | FREDRIC M. BIRCH MD Individual | Internal Medicine (Nephrology) | 640 FLORMANN ST RAPID CITY, SD 57701 (605) 718-3300 |
| 1205884137 | AYODELE O OGUNREMI MD Individual | Internal Medicine (Nephrology) | 640 FLORMANN ST SUITE 300 RAPID CITY, SD 57701 (605) 718-3300 |
| 1871548578 | DAVID BRUCE EATON MD Individual | Internal Medicine | 640 FLORMANN ST RAPID CITY, SD 57701 (605) 718-3300 |
| 1780639484 | DAVID C EVANS MD Individual | Internal Medicine | 640 FLORMANN ST RAPID CITY, SD 57701 (605) 718-3300 |
| 1760437016 | LOUIS C RAYMOND MD Individual | Internal Medicine (Nephrology) | 640 FLORMANN ST RAPID CITY, SD 57701 (605) 718-3300 |
| 1760438220 | JANELL LYNN GERBERDING PA Individual | Physician Assistant | 640 FLORMANN ST RAPID CITY, SD 57701 (605) 718-3300 |
| 1699722629 | HEIDI LYNN STROUTH MD Individual | Internal Medicine | 640 FLORMANN ST RAPID CITY, SD 57701 (605) 718-3300 |
| 1528084167 | MAZEN N NEMEH MD Individual | Internal Medicine (Nephrology) | 640 FLORMANN ST RAPID CITY, SD 57701 (605) 718-3300 |
| 1184642852 | LI REN PA-C Individual | Physician Assistant | 640 FLORMANN ST RAPID CITY, SD 57701 (605) 718-3300 |
| 1265521009 | KELLY A STACY MD Individual | Internal Medicine | 640 FLORMANN ST RAPID CITY, SD 57701 (605) 718-3100 |
| 1417046285 | STEVEN C STOCKS MD Individual | Internal Medicine | 640 FLORMANN ST RAPID CITY, SD 57701 (605) 718-3300 |
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1922617869, enumerated in the NPI registry as an "individual" on July 27, 2020
The provider is located at 640 Flormann St Rapid City, Sd 57701 and the phone number is (224) 625-0050
The provider's speciality is Internal Medicine with taxonomy code 207RE0101X with a focus in Endocrinology, Diabetes & Metabolism
This NPI record was last updated on July 27, 2020. 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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