DR. MELANIE NATASHA RAYAN MD
NPI 1922617869
Internal Medicine - Endocrinology, Diabetes & Metabolism in Rapid City, SD

Active since July 27, 2020PECOS EnrolledAccepts Medicare Assignment
640 FLORMANN ST, RAPID CITY, SD 57701(605) 755-3300 Get Directions Write a Review

NPPES record last updated: October 3, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 2, 2025, Jul 27, 2020 (2 updates tracked since 2020).

About Dr. Melanie Natasha Rayan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MELANIE NATASHA RAYAN MD (NPI 1922617869) is an individual endocrinology, diabetes & metabolism provider in Rapid City, South Dakota, licensed in South Dakota (15781) and active in the NPI registry since July 2020. She is enrolled in Medicare PECOS, is affiliated with Chadron Community Hospital And Health Services, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1922617869
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameDR. MELANIE NATASHA RAYANCredential: MD
Location Address640 FLORMANN STRapid City, SD 57701-4679
Mailing Address325 N State Of Franklin RdJohnson City, TN 37604-6056 · (423) 439-7280 · Fax (423) 439-7314
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateJuly 27, 2020
Last NPPES UpdateOctober 3, 20252 updates tracked since enumeration
NPPES CertifiedOctober 3, 2025
NPI 1922617869 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License Licensed in SD · 15781
Definition
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.
640 FLORMANN ST, Rapid City, SD 57701

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Melanie Natasha Rayan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9537667167
PECOS Enrollment IDI20250812003016
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Chadron Community Hospital And Health Services

Critical Access Hospitals · Chadron, NE
OwnershipVoluntary non-profit - Private
CMS Certification Number281341
Location825 Centennial DriveChadron, NE 69337 · Dawes County
Emergency services

Monument Health Spearfish Hospital

Acute Care Hospitals · Spearfish, SD
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number430048
Location1440 N Main StSpearfish, SD 57783 · Lawrence County
Emergency services

Monument Health Rapid City Hospital

Acute Care Hospitals · Rapid City, SD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number430077
Location353 Fairmont BlvdRapid City, SD 57701 · Pennington County
Emergency services Birthing friendly

Fall River Hospital - Cah

Critical Access Hospitals · Hot Springs, SD
OwnershipGovernment - Local
CMS Certification Number431322
Location1201 Highway 71 SouthHot Springs, SD 57747 · Fall River County
Emergency services

Monument Health Custer Hospital

Critical Access Hospitals · Custer, SD
OwnershipVoluntary non-profit - Private
CMS Certification Number431323
Location1220 Montgomery StreetCuster, SD 57730 · Custer County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 57701 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.78 typical visit price
range $55.52 – $167.23
Typical copayment $31.69 (range $13.88 – $41.80)
Most-billed visit code 99204
Established Patient
$97.88 typical visit price
range $18.08 – $137.08
Typical copayment $24.47 (range $4.52 – $34.27)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
640 FLORMANN ST
RAPID CITY, SD 57701
Family Medicine
640 FLORMANN ST
RAPID CITY, SD 57701
Internal Medicine
640 FLORMANN ST
RAPID CITY, SD 57701
640 FLORMANN ST
RAPID CITY, SD 57701
Physician Assistant
640 FLORMANN ST
RAPID CITY, SD 57701
Nurse Practitioner
640 FLORMANN ST
RAPID CITY, SD 57701
Family Medicine
640 FLORMANN ST
RAPID CITY, SD 57701
Internal Medicine (Endocrinology, Diabetes & Metabolism)
640 FLORMANN ST
RAPID CITY, SD 57701

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Melanie Rayan's NPI number?

The NPI number for Melanie Rayan is 1922617869. It was assigned to this individual provider in the NPPES registry on July 27, 2020.

Where is Melanie Rayan located?

Melanie Rayan practices at 640 Flormann St, Rapid City, SD 57701. The listed phone number is (605) 755-3300.

What is Melanie Rayan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Melanie Rayan enrolled in Medicare?

Yes. Melanie Rayan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Melanie Rayan accept?

Health plans from Medica, Oscar Insurance Company and Sanford Health Plan list Melanie Rayan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Melanie Rayan affiliated with any hospitals?

According to CMS data, Melanie Rayan is affiliated with Chadron Community Hospital And Health Services, Monument Health Spearfish Hospital, Monument Health Rapid City Hospital, Fall River Hospital - Cah and Monument Health Custer Hospital.

When was this NPI record last updated?

The NPPES record for Melanie Rayan was last updated on October 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.