DR. RILEY REAGAN PARR MD
NPI 1235831785
Hospitalist in Denver, CO

Active since March 20, 2023PECOS Enrolled
1960 N OGDEN ST STE 400, DENVER, CO 80218(303) 318-1540 Get Directions Write a Review

NPPES record last updated: July 26, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 26, 2026, Apr 5, 2023, Mar 20, 2023 (3 updates tracked since 2023).

About Dr. Riley Reagan Parr Md NPPES

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

DR. RILEY REAGAN PARR MD (NPI 1235831785) is an individual hospitalist provider in Denver, Colorado, licensed in Colorado (DR.0076151) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of East Tennessee State University Quillen College Of Medicine (2023).

NPPES Registry Identity

NPI1235831785
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. RILEY REAGAN PARRCredential: MD
Location Address1960 N OGDEN ST STE 400Denver, CO 80218-3670
Mailing Address1960 N Ogden St Ste 400Denver, CO 80218-3670 · (303) 318-1540
Sole ProprietorNo
Medical School CMSEast Tennessee State University Quillen College Of MedicineGraduated 2023
Enumeration DateMarch 20, 2023
Last NPPES UpdateJuly 26, 20263 updates tracked since enumeration
NPPES CertifiedJuly 26, 2026
✔ NPI 1235831785 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in CO · DR.0076151
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License DR.0076151 (CO)
1960 N OGDEN ST STE 400, Denver, CO 80218

Secondary Practice Locations 2

Location 11719 E 19th AveDenver, CO 80218-1235 · Phone (303) 338-4545
Location 210350 E Dakota AveDenver, CO 80247-1314 · Phone (303) 338-4545

Other Identifiers 1

Medicaid9000220354CO

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Riley Reagan Parr Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3476915240
PECOS Enrollment IDI20260808000046, I20260821003577
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

2

Medicare enrollment records show Riley Parr reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Critical Access Hospital
3435 WYANDOT ST
Denver, CO 80211
  • Reassigned Medicare billing, Wyoming enrollment
  • 22 clinicians in this Medicare group
Internal Medicine
10350 E DAKOTA AVE
Denver, CO 80247
  • Reassigned Medicare billing, Colorado enrollment
  • Medicare enrollment name: Colorado Permanente Medical Group PC
  • 1,715 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80218 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
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
Established Patient
$102.03 typical visit price
range $18.88 – $142.79
Typical copayment $25.50 (range $4.72 – $35.69)
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.

Student in an Organized Health Care Education/Training Program
1960 N OGDEN ST STE 400
DENVER, CO 80218
Student in an Organized Health Care Education/Training Program
1960 N OGDEN ST STE 400
DENVER, CO 80218
Student in an Organized Health Care Education/Training Program
1960 N OGDEN ST STE 400
DENVER, CO 80218
Student in an Organized Health Care Education/Training Program
1960 N OGDEN ST STE 400
DENVER, CO 80218
Student in an Organized Health Care Education/Training Program
1960 N OGDEN ST STE 400
DENVER, CO 80218
Student in an Organized Health Care Education/Training Program
1960 N OGDEN ST STE 400
DENVER, CO 80218
Student in an Organized Health Care Education/Training Program
1960 N OGDEN ST STE 400
DENVER, CO 80218
Student in an Organized Health Care Education/Training Program
1960 N OGDEN ST STE 400
DENVER, CO 80218

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 Riley Parr's NPI number?

The NPI number for Riley Parr is 1235831785. It was assigned to this individual provider in the NPPES registry on March 20, 2023.

Where is Riley Parr located?

Riley Parr practices at 1960 N Ogden St Ste 400, Denver, CO 80218. The listed phone number is (303) 318-1540.

What is Riley Parr's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Riley Parr enrolled in Medicare?

Yes. Riley Parr is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Riley Parr's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Riley Parr reassigns Medicare benefits to 2 organizations: Rural Family Physicians (Denver, CO) and Colorado Permanente Medical Group, P.C. (Denver, CO). 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 Riley Parr's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Riley Parr accept?

Health plans from Blue Cross Blue Shield of Wyoming list Riley Parr 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.

When was this NPI record last updated?

The NPPES record for Riley Parr was last updated on July 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.