Melanie Natasha Rayan, MD
Endocrinology, Diabetes & Metabolism Physician · Rapid City, SD
Melanie Natasha Rayan, MD is an endocrinology, diabetes & metabolism physician with a practice address in Rapid City, South Dakota, and NPI 1922617869, issued on Jul 27, 2020. Check the license (South Dakota 15781, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Melanie Natasha Rayan
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 15781 SD
Self-reported in NPPES; status is on the state search - Practice location
- 640 Flormann St, Rapid City, SD 57701
- Phone
- (605) 755-3300
- Enumerated
- Jul 27, 2020
- Record last updated
- Oct 3, 2025
- Medicare enrollment
- Enrolled (PECOS I20250812003016); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 25 in South Dakota → Look up another NPI →
Also registered at 640 Flormann St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maryann Adams-Gregson, RN, DCESDiabetes Educator Registered Nurse1851022305
- Manuel Arbo, MDInfectious Disease Physician1114993128
- Ember Bartels, CNANurse's Aide1699875492
- Thea Beyer, DNP, APRN, CPNP, RNPediatric Nurse Practitioner1912688045
- Fredric Birch, MDNephrology Physician1851349906
- Brian Bowers, DORheumatology Physician1891877098
Verify Melanie Natasha Rayan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 15781Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
152 Medicare Part D claims for 28 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims.
Most prescribed
- Tresiba Flextouch U-10020 claims
- Levothyroxine Sodium15 claims
- Trulicity15 claims
- Hydrocortisone11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Monument Health Rapid City Hospital IncRapid City, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Melanie Natasha Rayan among 25 endocrinology, diabetes & metabolism physician records in South Dakota
Melanie Natasha Rayan, MD is one of 25 endocrinology, diabetes & metabolism physician records with a practice address in South Dakota. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 84% of them.
- NPI issued2020 · 84% of these records are older, 4% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2019 · median 2008 among the 17 with a school on file
- Record last updated2025 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in South Dakota
There are 25 endocrinology, diabetes & metabolism physician records in South Dakota.
All 25 in South Dakota → Every provider in Rapid City → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Sonalika Khachikian, MDRapid City, SD 577011699934067
- Nikolina MarkovicRapid City, SD 577011477165959
- John Palmer, DORapid City, SD 577011063510691
- Nour Aljariri Alhesan, MDSioux Falls, SD 571051346625415
- Raquel De Leon Anel-Tiangco, M.D.Sioux Falls, SD 571051740462803
- Lorayne Ann Chua, M.D.Sioux Falls, SD 571051700237914
- Richard Crawford, MDSioux Falls, SD 571051164528261
- Marie Angelica Diaz, M.D.Sioux Falls, SD 571051588072532
Common questions
What is Melanie Natasha Rayan, MD's NPI number?
Melanie Natasha Rayan, MD's National Provider Identifier (NPI) is 1922617869, issued on Jul 27, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Melanie Natasha Rayan, MD located?
The NPPES record lists a practice address at 640 Flormann St, Rapid City, SD, 57701. Phone: (605) 755-3300. Providers update this record themselves, so call before visiting.
How can I verify Melanie Natasha Rayan, MD's license?
NPPES lists South Dakota license number 15781, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Melanie Natasha Rayan, MD prescribe under Medicare Part D?
In 2024, Melanie Natasha Rayan, MD had 152 Medicare Part D claims for 28 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.