RONALD MARK GUY M.D.
NPI 1881651057
Otolaryngology in Rapid City, SD

Active since April 29, 2006PECOS EnrolledAccepts Medicare Assignment
97.58/100
CMS Quality Rating
4141 5TH ST, RAPID CITY, SD 57701(605) 791-0602(605) 791-0978 Get Directions Write a Review

NPPES record last updated: October 5, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ronald Mark Guy M.d. NPPES

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

RONALD MARK GUY M.D. (NPI 1881651057) is an individual otolaryngology provider in Rapid City, South Dakota, licensed in Oklahoma (19986) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Monument Health Rapid City Hospital, and is a graduate of Texas A & M University System, Hsc, College Of Medicine (1986).

NPPES Registry Identity

NPI1881651057
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameRONALD MARK GUYCredential: M.D.
Location Address4141 5TH STRapid City, SD 57701-6021
Mailing Address4141 5th StRapid City, SD 57701-6021 · (605) 791-0602 · Fax (605) 791-0602
Fax(605) 791-0978
Sole ProprietorNo
Medical School CMSTexas A & M University System, Hsc, College Of MedicineGraduated 1986
Enumeration DateApril 29, 2006
Last NPPES UpdateOctober 5, 2018
✔ NPI 1881651057 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License✔ Licensed in OK · 19986
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
4141 5TH ST, Rapid City, SD 57701

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ronald Mark Guy M.d. 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 ID2163517665
PECOS Enrollment IDI20180202002355
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Ronald Guy reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Clinic/Center
4150 5TH ST
Rapid City, SD 57701
  • Reassigned Medicare billing, South Dakota enrollment
  • 831 clinicians in this Medicare group
Anesthesiology
216 ANAMARIA DR
Rapid City, SD 57701
  • Reassigned Medicare billing, South Dakota enrollment
  • 161 clinicians in this Medicare group
Rural Health
112 NORTH 5TH STREET
Barnsdall, OK 74002
  • Reassigned Medicare billing, Oklahoma enrollment
  • 820 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

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
$69.20 typical visit price
range $18.08 – $137.08
Typical copayment $17.30 (range $4.52 – $34.27)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

97.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.53
Promoting Interoperability100
Improvement Activities40

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.

Neurological Surgery
4141 5TH ST
RAPID CITY, SD 57701
Physical Medicine & Rehabilitation
4141 5TH ST
RAPID CITY, SD 57701
Physical Therapist
4141 5TH ST
RAPID CITY, SD 57701
Physical Therapist
4141 5TH ST
RAPID CITY, SD 57701
Physical Therapist
4141 5TH ST
RAPID CITY, SD 57701
Physical Therapist
4141 5TH ST
RAPID CITY, SD 57701
Physician Assistant
4141 5TH ST
RAPID CITY, SD 57701
Physical Therapist
4141 5TH 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 Ronald Guy's NPI number?

The NPI number for Ronald Guy is 1881651057. It was assigned to this individual provider in the NPPES registry on April 29, 2006.

Where is Ronald Guy located?

Ronald Guy practices at 4141 5th St, Rapid City, SD 57701. The listed phone number is (605) 791-0602.

What is Ronald Guy's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Ronald Guy enrolled in Medicare?

Yes. Ronald Guy 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.

Which organizations bill Medicare for Ronald Guy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ronald Guy reassigns Medicare benefits to 3 organizations: Monument Health Rapid City Hospital Inc (Rapid City, SD), Black Hills Surgical Hospital, LLC (Rapid City, SD) and St. John Physicians, Inc (Barnsdall, OK). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ronald Guy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ronald Guy accept?

Health plans from Oscar Insurance Company, Sanford Health Plan, UnitedHealthcare and Wellmark of South Dakota, Inc. list Ronald Guy 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 Ronald Guy affiliated with any hospitals?

According to CMS data, Ronald Guy is affiliated with Monument Health Rapid City Hospital.

When was this NPI record last updated?

The NPPES record for Ronald Guy was last updated on October 5, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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.