Registry data as of Aug 27, 2026

Dennis Chang, M.D.

Orthopaedic Surgery Physician · Denver, CO

Dennis Chang, M.D. is an orthopaedic surgery physician with a practice address in Denver, Colorado, and NPI 1649297219, issued on Jul 17, 2006. Check the license on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1649297219
Name
Dennis Chang
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
Practice location
4700 Hale Pkwy Ste 360, Denver, CO 80220
Phone
(720) 754-4410
Enumerated
Jul 17, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4700 Hale Pkwy Ste 360

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Adam Baker, PA-CMedical Physician Assistant1730368929
  2. Rajesh Bazaz, M.D.Orthopaedic Surgery Physician1457364366
  3. Allison Bond, ATCSports Medicine (Internal Medicine) Physician1043182074
  4. Nicole Chasnow, PACMedical Physician Assistant1104242585
  5. Michael Eby, M.D.Orthopaedic Surgery Physician1831585405
  6. Stephen Flora, PA-CPhysician Assistant1851773345

Verify Dennis Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical BoardCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Colorado license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

29% more Medicare Part D claims than the average orthopaedic surgery physician in 2024

444 Medicare Part D claims for 255 beneficiaries, against an average of 344 among the 17,387 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Dennis Chang444
  2. Specialty average344

Most prescribed

  1. Amoxicillin270 claims
  2. Clindamycin Hcl60 claims
  3. Celecoxib34 claims
  4. Meloxicam29 claims
  5. Methocarbamol23 claims
  6. Cephalexin11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The Medicare quality score for 2023: 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $209.19

5 payments, mostly food and beverage; the largest payer was Zimmer Biomet Holdings, Inc.. The 15,866 providers of this specialty with any payment received $21,294.10 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Dennis Chang$209.19
  2. Specialty average$21,294.10

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Healthone Clinic Services Orthopedic Specialists LLCParker, CO

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Orthopaedic Surgery Physician providers in Colorado

There are 568 orthopaedic surgery physician records in Colorado.

Other orthopaedic surgery physician records in Colorado

  1. Robert Adams, M.D.Glenwood Spgs, CO1689638793
  2. Amit Agarwala, MDGolden, CO1154383131
  3. Arnold Ahnfeldt, M.D.Colorado Springs, CO1396981387
  4. Paul Al-Attar, MDThornton, CO1871013714
  5. Ryan Albrecht, MDMontrose, CO1942595319
  6. Kris Alden, M.D., PHD.Basalt, CO1992842132
  7. Syed Ali, MDAurora, CO1538797758
  8. Richard Amendola, M.D.Vail, CO1588190979
  9. Sheena Amin-Joyce, MDAurora, CO1871171140
  10. Brett Anderson, MDColorado Springs, CO1124002449

Common questions

What is Dennis Chang, M.D.'s NPI number?

Dennis Chang, M.D.'s National Provider Identifier (NPI) is 1649297219, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Dennis Chang, M.D. located?

The NPPES record lists a practice address at 4700 Hale Pkwy Ste 360, Denver, CO, 80220. Phone: (720) 754-4410. Providers update this record themselves, so call before visiting.

How can I verify Dennis Chang, M.D.'s license?

Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Dennis Chang, M.D. prescribe under Medicare Part D?

In 2024, Dennis Chang, M.D. had 444 Medicare Part D claims for 255 beneficiaries; the average among orthopaedic surgery physician prescribers was 344. Part D covers Medicare prescriptions only.

What is Dennis Chang, M.D.'s Medicare quality score?

The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.