DR. PETER MAO HUANG DO
NPI 1538796404
Hospitalist in Denver, CO
About Dr. Peter Mao Huang Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PETER MAO HUANG DO (NPI 1538796404) is an individual hospitalist provider in Denver, Colorado, licensed in Colorado (DR.0068798) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in Golden, and is a graduate of Rocky Vista University College Of Osteopathic Med (2020).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
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
Dr. Peter Mao Huang Do 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.
Medicare Billing Reassignments
4Medicare enrollment records show Peter Huang reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Denver, CO 80220
- Reassigned Medicare billing, Colorado enrollment
- 108 clinicians in this Medicare group
Denver, CO 80220
- Reassigned Medicare billing, Colorado enrollment
- 142 clinicians in this Medicare group
Denver, CO 80247
- Reassigned Medicare billing, Colorado enrollment
- Medicare enrollment name: Colorado Permanente Medical Group PC
- 1,715 clinicians in this Medicare group
Golden, CO 80401
- Reassigned Medicare billing, Colorado enrollment
- 314 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.
Areas of Expertise CMS Part B claims 3
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.
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.
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.
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 Peter Huang's NPI number?
The NPI number for Peter Huang is 1538796404. It was assigned to this individual provider in the NPPES registry on March 23, 2020.
Where is Peter Huang located?
Peter Huang practices at 1719 E 19th Ave, Denver, CO 80218. The listed phone number is (303) 338-4545.
What is Peter Huang's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Peter Huang enrolled in Medicare?
Yes. Peter Huang 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 Peter Huang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Huang reassigns Medicare benefits to 4 organizations: Hospital Medicine Services Of Colorado, LLC (Denver, CO), New West Physicians Inc (Denver, CO), Colorado Permanente Medical Group, P.C. (Denver, CO) and Optumcare Colorado Medical Group LLC (Golden, 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 Peter Huang'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 Peter Huang was last updated on April 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. Peter Mao Huang, DO · NPI 1538796404
Hospitalist physician in Denver, Colorado. Individual provider, active in the CMS NPPES registry since March 23, 2020.
## Identity
- **NPI:** 1538796404 (Entity type: Individual)
- **Enumerated:** March 23, 2020
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** DR.0068798 (Colorado)
- **Sole proprietor:** No
## Practice location
- **Address:** 1719 E 19TH AVE, Denver, CO 80218-1235
- **Phone:** (303) 338-4545
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Hospital Medicine Services Of Colorado, LLC (NPI 1366242323, Denver, CO); New West Physicians Inc (NPI 1609484526, Denver, CO); Colorado Permanente Medical Group, P.C. (NPI 1760599724, Denver, CO); Optumcare Colorado Medical Group LLC (NPI 1992562441, Golden, CO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rocky Vista University College Of Osteopathic Med, class of 2020
## Record status
- **NPPES last updated:** April 20, 2026
- **Other identifiers:** Medicaid 9000183040 (CO)
---
Source: [NPI Profile](https://npiprofile.com/npi/1538796404) · Data from the CMS NPPES public registry.