Michael A. Chang, M.D.
Orthopaedic Surgery of the Spine Physician · Yakima, WA
Michael A. Chang, M.D. is an orthopaedic surgery of the spine physician with a practice address in Yakima, Washington, and NPI 1588640361, issued on Dec 22, 2005. Check the license on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Michael A. Chang
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery of the Spine Physician 207XS0117X
- License number
- 0432322 KS
Self-reported in NPPES; status is on the state search - Practice location
- 111 S 11TH Ave Ste 320, Yakima, WA 98902
- Phone
- (509) 454-8888
- Enumerated
- Dec 22, 2005
- Record last updated
- Jan 26, 2023
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery of the spine physician records → All 64 in Washington → Look up another NPI →
Also registered at 111 S 11TH Ave Ste 320
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael A. Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical CommissionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average orthopaedic surgery of the spine physician in 2024
840 Medicare Part D claims for 276 beneficiaries, against an average of 381 among the 1,714 providers of this specialty who prescribed in Part D. 139 claims were for opioids.
Most prescribed
- Baclofen217 claims
- Methocarbamol197 claims
- Oxycodone Hcl126 claims
- Gabapentin79 claims
- Ondansetron Odt73 claims
- Methylprednisolone64 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 MIPS final score for 2023 (Medicare payment program): 25.6 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3,955.77
6 payments; by number, the most common kind was consulting fee; the largest payer was Orthofix Medical, Inc. The 1,726 providers of this specialty with any payment received $34,071.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Michael A. Chang among 64 orthopaedic surgery of the spine physician records in Washington
Michael A. Chang, M.D. is one of 64 orthopaedic surgery of the spine physician records with a practice address in Washington. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2023 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0117X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery of the Spine Physician providers in Washington
There are 64 orthopaedic surgery of the spine physician records in Washington.
All 64 in Washington → Every provider in Yakima → Orthopaedic Surgery of the Spine Physician nationwide →
The 8 orthopaedic surgery of the spine physician records with the nearest ZIP codes
- Dardiny Saint-Clair, M.D.Wenatchee, WA 988011558746206
- Neil Nelson Saldua, M.D.Vancouver, WA 986641376532093
- Timothy Powers, M.D.Spokane, WA 992041669424370
- John Shuster, M.D.Spokane, WA 992041710955307
- Antoine Tohmeh, M.D.Spokane, WA 992181366549040
- Christina Hajewski, M.D.Olympia, WA 985061336598887
- Clyde Carpenter, M.D.Olympia, WA 985021205906294
- Gurmit Singh, MDOlympia, WA 985021912497884
Common questions
What is Michael A. Chang, M.D.'s NPI number?
Michael A. Chang, M.D.'s National Provider Identifier (NPI) is 1588640361, issued on Dec 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael A. Chang, M.D. located?
The NPPES record lists a practice address at 111 S 11TH Ave Ste 320, Yakima, WA, 98902. Phone: (509) 454-8888. Providers update this record themselves, so call before visiting.
How can I verify Michael A. Chang, M.D.'s license?
Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael A. Chang, M.D. prescribe under Medicare Part D?
In 2024, Michael A. Chang, M.D. had 840 Medicare Part D claims for 276 beneficiaries; the average among orthopaedic surgery of the spine physician prescribers was 381. Part D covers Medicare prescriptions only.
What is Michael A. Chang, M.D.'s MIPS final score?
The 2023 MIPS final score is 25.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.