HIRAM ALFONSO RIVERA-PASSAPERA MD
NPI 1154882157
Emergency Medicine in Denver, CO

Q: What is Hiram Rivera-passapera's NPI number?

The NPI number for Hiram Rivera-passapera is 1154882157. It was assigned to this individual provider in the NPPES registry on March 31, 2019.

Q: What is Hiram Rivera-passapera's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Active since March 31, 2019PECOS Enrolled

777 BANNOCK ST, DENVER, CO 80204(303) 436-4949(303) 602-0050 Get Directions Write a Review

NPPES record last updated: December 10, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 10, 2024, Oct 9, 2024, Sep 9, 2022 (3 updates tracked since 2022).

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About Hiram Alfonso Rivera-passapera Md NPPES

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

HIRAM ALFONSO RIVERA-PASSAPERA MD (NPI 1154882157) is an individual emergency medicine provider in Denver, Colorado, licensed in Colorado (DR.0067919) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS and maintains a secondary practice location in Centennial.

NPPES Registry Identity

NPI1154882157

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameHIRAM ALFONSO RIVERA-PASSAPERACredential: MD

Location Address777 BANNOCK STDenver, CO 80204-4597

Mailing Address777 Bannock StDenver, CO 80204-4597 · (303) 436-4949 · Fax (303) 602-0050

Phone(303) 436-4949

Fax(303) 602-0050

Sole ProprietorNo

Enumeration DateMarch 31, 2019

Last NPPES UpdateDecember 10, 20243 updates tracked since enumeration

NPPES CertifiedDecember 10, 2024

✔ NPI 1154882157 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in CO · DR.0067919

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

777 BANNOCK ST, Denver, CO 80204

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Secondary Practice Location 1

Location 114200 E Arapahoe RdCentennial, CO 80112-4065 · Phone (303) 699-3060

Other Identifiers 1

Medicaid1154882157CO

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hiram Alfonso Rivera-passapera 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.

Medicare Billing Reassignments

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

Denver Health And Hospital Authority

Same address

General Practice

777 BANNOCK ST
Denver, CO 80204

Reassigned Medicare billing, Colorado enrollment
2,259 clinicians in this Medicare group

NPI 1477569838 (303) 436-6000

Carepoint Emergency Medicine, PLLC

7.5 mi

Emergency Medicine

10065 E HARVARD AVE, STE 800
Denver, CO 80231

Reassigned Medicare billing, Colorado enrollment
219 clinicians in this Medicare group

NPI 1134590318 (303) 306-7783

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

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

120 services115 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

42 services36 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80204 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

$89.43 typical visit price

range $58.06 – $174.82

Typical copayment $22.35 (range $14.51 – $43.70)

Most-billed visit code 99203

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.

MS. KATHERINE JEANNE CARLEY RN, MSN, CS

Clinical Nurse Specialist (Psychiatric/Mental Health)