ALANA MARIE MASTIN CNP
NPI 1023848769
Nurse Practitioner - Family in Rapid City, SD

Q: What is Alana Mastin's NPI number?

The NPI number for Alana Mastin is 1023848769. It was assigned to this individual provider in the NPPES registry on August 6, 2024. The provider is also known as Alana Marie Gray.

Q: What is Alana Mastin's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Alana Mastin was last updated on September 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.

Active since August 06, 2024PECOS EnrolledAccepts Medicare Assignment

677 CATHEDRAL DR, RAPID CITY, SD 57701(605) 755-4150 Get Directions Write a Review

NPPES record last updated: September 4, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 4, 2025, Aug 6, 2024 (2 updates tracked since 2024).

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About Alana Marie Mastin Cnp NPPES

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

ALANA MARIE MASTIN CNP (NPI 1023848769) is an individual family provider in Rapid City, South Dakota, licensed in South Dakota (CP003331) and active in the NPI registry since August 2024. She is enrolled in Medicare PECOS, is affiliated with Monument Health Rapid City Hospital, and is a graduate of Other (2024).

NPPES Registry Identity

NPI1023848769

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameALANA MARIE MASTINCredential: CNP

Location Address677 CATHEDRAL DRRapid City, SD 57701-6018

Mailing Address6312 W Elmwood DrBlack Hawk, SD 57718-9762 · (605) 515-3436

Phone(605) 755-4150

Sole ProprietorNo

Medical School CMSOtherGraduated 2024

Enumeration DateAugust 6, 2024

Last NPPES UpdateSeptember 4, 20252 updates tracked since enumeration

NPPES CertifiedSeptember 4, 2025

✔ NPI 1023848769 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in SD · CP003331

677 CATHEDRAL DR, Rapid City, SD 57701

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Other Names 1

Former Name (1)Alana Marie Gray

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter from Sunflower Health Plan, Ambetter Health and more.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

Alana Marie Mastin Cnp 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 ID1850897158

PECOS Enrollment IDI20251006000688

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 2

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

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

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

$85.21 typical visit price

range $55.52 – $167.23

Typical copayment $21.30 (range $13.88 – $41.80)

Most-billed visit code 99203

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 11

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

ANTHONY S DIEHL MD

Obstetrics & Gynecology

677 CATHEDRAL DR
RAPID CITY, SD 57701

Meade County (605) 343-9224

DR. RYAN GIANATASIO M.D.

Psychiatry & Neurology (Vascular Neurology)

677 CATHEDRAL DR
RAPID CITY, SD 57701

Meade County (605) 755-4150

MONUMENT HEALTH RAPID CITY HOSPITAL, INC.

Psychiatry & Neurology (Psychiatry)

677 CATHEDRAL DR, STE 201
RAPID CITY, SD 57701

Meade County (605) 755-5276

MICHELLE KROHN D.O

Obstetrics & Gynecology

677 CATHEDRAL DR
RAPID CITY, SD 57701

Meade County (605) 343-9224

MOHAMADMOSTAFA JAHANSOUZ MD

Psychiatry & Neurology (Neurology)

677 CATHEDRAL DR
RAPID CITY, SD 57701

Meade County (605) 755-5000

ANGELA MERAZ PA

Physician Assistant

677 CATHEDRAL DR
RAPID CITY, SD 57701

Meade County (605) 755-6720

MIKELLE ELIASON CNP

Nurse Practitioner (Family)

677 CATHEDRAL DR
RAPID CITY, SD 57701

Meade County (605) 755-4150

LEE JEFFERSON MCCRANEY DO

Psychiatry & Neurology (Neurology)

677 CATHEDRAL DR
RAPID CITY, SD 57701

Meade County (605) 755-4150

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 Alana Mastin's NPI number?

The NPI number for Alana Mastin is 1023848769. It was assigned to this individual provider in the NPPES registry on August 6, 2024. The provider is also known as Alana Marie Gray.

Where is Alana Mastin located?

Alana Mastin practices at 677 Cathedral Dr, Rapid City, SD 57701. The listed phone number is (605) 755-4150.

What is Alana Mastin's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Alana Mastin enrolled in Medicare?

Yes. Alana Mastin 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 Alana Mastin accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and Sanford Health Plan list Alana Mastin 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 Alana Mastin affiliated with any hospitals?

According to CMS data, Alana Mastin is affiliated with Monument Health Rapid City Hospital and Monument Health Custer Hospital.

When was this NPI record last updated?

The NPPES record for Alana Mastin was last updated on September 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.