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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

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: August 02, 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 and maintains 2 additional practice locations.

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
Phone(303) 318-1540
Sole ProprietorNo
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)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1960 N OGDEN ST STE 400, Denver, CO 80218
Open in Google Maps ↗

Secondary Practice Locations 2

Location 110350 E Dakota AveDenver, CO 80247-1314 · Phone (303) 338-4545
Location 21719 E 19th AveDenver, CO 80218-1235 · Phone (303) 338-4545

Other Identifiers 1

Medicaid9000220354CO

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

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.

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.

MADELINE NICOLE NEWSOM
Student in an Organized Health Care Education/Training Program
1960 N OGDEN ST STE 400
DENVER, CO 80218
Denver County (303) 318-1540
CLAIRE MCCRAY ALTANY
Student in an Organized Health Care Education/Training Program
1960 N OGDEN ST STE 400
DENVER, CO 80218
Denver County (303) 318-1540
ERNIE C ARNOUTS
Student in an Organized Health Care Education/Training Program
1960 N OGDEN ST STE 400
DENVER, CO 80218
Denver County (303) 318-1540
NICHOLAS WENZ
Student in an Organized Health Care Education/Training Program
1960 N OGDEN ST STE 400
DENVER, CO 80218
Denver County (303) 318-1540
EMILY NOVAK
Student in an Organized Health Care Education/Training Program
1960 N OGDEN ST STE 400
DENVER, CO 80218
Denver County (303) 318-1540
DR. CAITLIN TAYLOR PEREZ-STABLE MD
Student in an Organized Health Care Education/Training Program
1960 N OGDEN ST STE 400
DENVER, CO 80218
Denver County (303) 318-1540
HALLE BERG MD
Student in an Organized Health Care Education/Training Program
1960 N OGDEN ST STE 400
DENVER, CO 80218
Denver County (303) 318-1540
MEREDITH EMMARIE STRIGEL DO
Student in an Organized Health Care Education/Training Program
1960 N OGDEN ST STE 400
DENVER, CO 80218
Denver County (303) 318-1540

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.

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 12 days 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.