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JOSEPH ONYIAH M.D.
NPI 1508032749
Internal Medicine - Gastroenterology in Denver, CO

Active since May 07, 2008PECOS EnrolledAccepts Medicare Assignment
91.11/100
CMS Quality Rating
777 BANNOCK ST, DENVER, CO 80204(303) 436-4949(303) 602-6190 Get Directions Write a Review

NPPES record last updated: August 29, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Joseph Onyiah M.d. NPPES

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

JOSEPH ONYIAH M.D. (NPI 1508032749) is an individual gastroenterology provider in Denver, Colorado, licensed in Colorado (DR.0054483) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in Denver, and is a graduate of Duke University School Of Medicine (2007).

NPPES Registry Identity

NPI1508032749
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameJOSEPH ONYIAHCredential: M.D.
Location Address777 BANNOCK STDenver, CO 80204-4597
Mailing Address777 Bannock StDenver, CO 80204-4597 · (303) 436-4949 · Fax (303) 602-6190
Phone(303) 436-4949
Fax(303) 602-6190
Sole ProprietorNo
Medical School CMSDuke University School Of MedicineGraduated 2007
Enumeration DateMay 7, 2008
Last NPPES UpdateAugust 29, 2024
NPPES CertifiedAugust 29, 2024
✔ NPI 1508032749 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in CO · DR.0054483
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 142190 (NC), DR.0054483 (CO)
777 BANNOCK ST, Denver, CO 80204
Open in Google Maps ↗

Secondary Practice Location 1

Location 11055 Clermont St # MS -111E, Gastroenterology & Hepatology, Denver VAMCDenver, CO 80220-3808 · Phone (303) 399-8020 ext. 3018

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

Joseph Onyiah 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 ID9234317876
PECOS Enrollment IDI20150102000554
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 Joseph Onyiah 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
University Physicians Incorporated
1.4 mi
Physical Medicine & Rehabilitation
1224 5TH ST
Denver, CO 80204
  • Reassigned Medicare billing, Colorado enrollment
  • 4,283 clinicians in this Medicare group
NPI 1265689053 (303) 556-2040

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 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
$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.

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.

91.11/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality90.23
Promoting Interoperability88
Improvement Activities40
Cost73.49

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)
777 BANNOCK ST
DENVER, CO 80204
Denver County (303) 436-6630
RYAN DEAN LATERZA M.D.
Anesthesiology
777 BANNOCK ST
DENVER, CO 80204
Denver County (303) 436-6000
BARBARA E ANDERSON NP
Nurse Practitioner
777 BANNOCK ST
DENVER, CO 80204
Denver County (303) 602-0340
PHILIP ANDREOLI D.O.
Hospitalist
777 BANNOCK ST
DENVER, CO 80204
Denver County (303) 436-4949
JESSICA RENEE KUDLOCK LCSW
Social Worker (Clinical)
777 BANNOCK ST
DENVER, CO 80204
Denver County (303) 602-7220
ELIZABETH PERKINS-PRIDE
Nurse Practitioner
777 BANNOCK ST
DENVER, CO 80204
Denver County (303) 436-6000
KIRSTEN ERIKSEN PA-C
Physician Assistant
777 BANNOCK ST
DENVER, CO 80204
Denver County (303) 436-6000
KATHRYN IRENE GARNER MD, MPH
Family Medicine
777 BANNOCK ST
DENVER, CO 80204
Denver County (303) 436-6000

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 Joseph Onyiah's NPI number?

The NPI number for Joseph Onyiah is 1508032749. It was assigned to this individual provider in the NPPES registry on May 7, 2008.

Where is Joseph Onyiah located?

Joseph Onyiah practices at 777 Bannock St, Denver, CO 80204. The listed phone number is (303) 436-4949.

What is Joseph Onyiah's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Joseph Onyiah enrolled in Medicare?

Yes. Joseph Onyiah 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 Joseph Onyiah's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Onyiah reassigns Medicare benefits to 2 organizations: Denver Health And Hospital Authority (Denver, CO) and University Physicians Incorporated (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 Joseph Onyiah's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Joseph Onyiah was last updated on August 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.