Dr. Hiep L. Ritzer, MD

  • Lakewood, CO
  • Occupational medicine physician
NPI1235339102
Industry payments
$42
Affiliated sites
1
Medical group
1
State license
1
Year NPI issued
2007
Practice address
12790 W Alameda Pkwy, Lakewood, CO 80228
Practice phone
Call (303) 318-2460
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Intermountain Medical Group Denver

Lakewood, Colorado

See all 3 affiliations

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Dr. Hiep L. Ritzer is an occupational medicine physician in Lakewood, Colorado

Dr. Ritzer practices at Intermountain Medical Group Denver in Lakewood, Colorado.

Dr. Ritzer's NPI, 1235339102, was assigned on July 19, 2007. Dr. Ritzer holds Colorado license 38239.

NPI and contact details
NPI enumeration date
July 19, 2007
NPI status
Active
Practice phone
(303) 318-2460
Professional email
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Personal email
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Mobile number
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Sex
Female

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data

Dr. Hiep L. Ritzer practices at Intermountain Medical Group Denver in Lakewood, Colorado

Dr. Ritzer's primary practice is Intermountain Medical Group Denver, at 12790 W Alameda Pkwy, Lakewood, CO 80228 in Jefferson County. The practice phone is (303) 318-2460.

  • Intermountain Medical Group Denver
    12790 W Alameda Pkwy, Lakewood, CO 80228 · Jefferson CountyPhone(303) 318-2460

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Hiep L. Ritzer is affiliated with 2 sites of care and 1 medical group

Dr. Ritzer's primary practice is Intermountain Medical Group Denver in Lakewood, Colorado. The medical group on file is Intermountain Health. Dmand AI also links Dr. Ritzer to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Ritzer

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Hiep L. Ritzer's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ritzer practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Intermountain Medical Group DenverAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Hiep L. Ritzer is one of 41 occupational medicine physicians in Colorado

Occupational medicine is Dr. Ritzer's primary specialty in the NPI Registry, under taxonomy code 2083X0100X. Dr. Ritzer is licensed in Colorado.

Specialties and state licenses

  • Occupational medicine, ColoradoPrimaryLicense 38239 · taxonomy 2083X0100X

Occupational medicine physicians near Dr. Ritzer

Counts of occupational medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.

41occupational medicine physicians in Colorado
2occupational medicine physicians in Lakewood

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Hiep L. Ritzer's patients have a median age of 41

Across all payers, Dmand AI patient panel data puts Dr. Ritzer's median patient age at 41, with 50% women.

Dr. Ritzer's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 41

Patient panel by sex, all payers

  • Women50%
  • Men50%

Source: Dmand AI Patient Panel Data

Dr. Hiep L. Ritzer received $42 in industry payments from 2017 to 2018

CMS Open Payments shows 3 general payments to Dr. Ritzer from 2 drug and device companies from 2017 to 2018. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $31.

General payments to Dr. Ritzer by program year, 2017 to 2018

Companies that paid Dr. Ritzer the most, 2017 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Ritzer

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Hiep L. Ritzer's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Hiep L. Ritzer

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Hiep L. Ritzer's NPI number?

Dr. Hiep L. Ritzer's NPI number is 1235339102. It was assigned on July 19, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Hiep L. Ritzer?

Dr. Hiep L. Ritzer is an occupational medicine physician in Lakewood, Colorado. The primary specialty in the NPI Registry is Occupational Medicine Physician (taxonomy code 2083X0100X).

Where does Dr. Hiep L. Ritzer practice?

Dr. Ritzer practices at 12790 W Alameda Pkwy, Lakewood, CO 80228. Dr. Ritzer's primary practice is Intermountain Medical Group Denver in Lakewood, Colorado. Dmand AI also links Dr. Ritzer to 1 group practice or clinic.

What is Dr. Hiep L. Ritzer's office phone number?

The practice phone on file for Dr. Ritzer is (303) 318-2460.

What is Dr. Hiep L. Ritzer's medical license number?

Dr. Ritzer holds Colorado license 38239.

What medical group is Dr. Hiep L. Ritzer part of?

Dr. Ritzer is linked to Intermountain Health.

Has Dr. Hiep L. Ritzer received payments from drug or device companies?

CMS Open Payments shows $42 in general payments to Dr. Ritzer from 2 companies from 2017 to 2018. The largest total came from Gilead Sciences, Inc.

How long has Dr. Hiep L. Ritzer been practicing?

Dr. Ritzer's NPI was assigned in 2007.

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