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

HIEP L RITZER MD
NPI 1235339102
Preventive Medicine - Occupational Medicine in Colorado Springs, CO

Q: What is Hiep Ritzer's NPI number?

The NPI number for Hiep Ritzer is 1235339102. It was assigned to this individual provider in the NPPES registry on July 19, 2007.

Q: What is Hiep Ritzer's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Occupational Medicine, with taxonomy code 2083X0100X.

Q: When was this NPI record last updated?

The NPPES record for Hiep Ritzer was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 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.

Active since July 19, 2007PECOS Enrolled

2773 JANITELL RD, COLORADO SPRINGS, CO 80906(719) 365-6478(719) 365-7681 Get Directions Write a Review

NPPES record last updated: September 16, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 16, 2026, Oct 25, 2020, Apr 25, 2020 (3 updates tracked since 2020).

On this page

About Hiep L Ritzer Md NPPES

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

HIEP L RITZER MD (NPI 1235339102) is an individual occupational medicine provider in Colorado Springs, Colorado, licensed in Colorado (38239) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1235339102

Entity TypeIndividualFemale

Primary Taxonomy2083X0100X

Provider Legal NameHIEP L RITZERCredential: MD

Location Address2773 JANITELL RDColorado Springs, CO 80906-4102

Mailing Address2695 Rocky Mountain Ave Ste 150Loveland, CO 80538-9071 · (970) 624-2420 · Fax (970) 624-5294

Phone(719) 365-6478

Fax(719) 365-7681

Sole ProprietorNo

Enumeration DateJuly 19, 2007

Last NPPES UpdateSeptember 16, 20263 updates tracked since enumeration

NPPES CertifiedSeptember 16, 2026

✔ NPI 1235339102 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPreventive Medicine · Occupational MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2083X0100X

License✔ Licensed in CO · 38239

Definition

Occupational medicine focuses on the health of workers, including the ability to perform work; the physical, chemical, biological, and social environments of the workplace; and the health outcomes of environmental exposures. Practitioners in this field address the promotion of health in the work place, and the prevention and management of occupational and environmental injury, illness, and disability.

2773 JANITELL RD, Colorado Springs, CO 80906

Open in Google Maps ↗

Secondary Practice Locations 3

Location 18515 W Coal Mine Ave Ste 240Littleton, CO 80123-4429 · Phone (303) 915-0544

Location 214000 E Arapahoe Road, Suite 160Centennial, CO 80112-4044 · Phone (303) 218-4250 · Fax (303) 218-4247

Location 36105 Beeler StDenver, CO 80238-4095 · Phone (720) 608-1917

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hiep L Ritzer 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 Reassignment

Medicare enrollment records show Hiep Ritzer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Intermountain Medical Group Denver, LLC

53 mi

Family Medicine

8671 S QUEBEC ST STE 210
Highlands Ranch, CO 80130

Reassigned Medicare billing, Colorado enrollment
1,270 clinicians in this Medicare group

NPI 1356954762 (303) 272-0566

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 80906 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

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

POUDRE VALLEY MEDICAL GROUP, LLC

Preventive Medicine (Occupational Medicine)

2773 JANITELL RD
COLORADO SPRINGS, CO 80906

El Paso County (719) 365-6478

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 Hiep Ritzer's NPI number?

The NPI number for Hiep Ritzer is 1235339102. It was assigned to this individual provider in the NPPES registry on July 19, 2007.

Where is Hiep Ritzer located?

Hiep Ritzer practices at 2773 Janitell Rd, Colorado Springs, CO 80906. The listed phone number is (719) 365-6478.

What is Hiep Ritzer's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Occupational Medicine, with taxonomy code 2083X0100X.

Is Hiep Ritzer enrolled in Medicare?

Yes. Hiep Ritzer is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Hiep Ritzer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hiep Ritzer reassigns Medicare benefits to Intermountain Medical Group Denver, LLC (Highlands Ranch, CO). The 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 Hiep Ritzer'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 Hiep Ritzer was last updated on September 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 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.