Sepein Chiang, DO
Orthopaedic Surgery Physician · Phoenix, AZ
Sepein Chiang, DO is an orthopaedic surgery physician with a practice address in Phoenix, Arizona, and NPI 1154491710, issued on Nov 9, 2006. Check the license (Arizona 3880, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Sepein Chiang
- Credential
- DO
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 3880 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 18444 N 25TH Ave, Phoenix, AZ 85023
- Phone
- (623) 537-5600
- Enumerated
- Nov 9, 2006
- Record last updated
- Aug 8, 2025
- Fax
- (866) 939-2673
- Medicaid ID
- 766248 AZ
- Medicare enrollment
- Enrolled (PECOS I20060421000560); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 1998
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 462 in Arizona → Look up another NPI →
Also registered at 18444 N 25TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gagandeep Arora, D.C.Chiropractor1407904170
- William Brown, P.T., A.T.C, S.C.SPhysical Therapist1285690545
- Norman Chutkan, M.D.Orthopaedic Surgery of the Spine Physician1689682890
- Scott Edwards, MDOrthopaedic Hand Surgery Physician1356326169
- Raymond Finch, PTPhysical Therapist1639551617
- Dariia GwinnBehavior Analyst1538738190
Verify Sepein Chiang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 3880Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
67 Medicare Part D claims for 50 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 17 claims were for opioids.
Most prescribed
- Methylprednisolone26 claims
- Oxycodone Hcl13 claims
- Amoxicillin11 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): 84.9 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).
Bills Medicare through one group practice
- Center For Orthopedic Research And Education LLCPhoenix, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sepein Chiang among 462 orthopaedic surgery physician records in Arizona
Sepein Chiang, DO is one of 462 orthopaedic surgery physician records with a practice address in Arizona. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 18% of them.
- NPI issued2006 · 18% of these records are older, 51% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1998 · median 2003 among the 281 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Arizona
There are 462 orthopaedic surgery physician records in Arizona.
All 462 in Arizona → Every provider in Phoenix → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Ryan Beeker, DOPhoenix, AZ 850231356834238
- Seth Christensen, D.O.Phoenix, AZ 850231831537414
- Niloofar Dehghan, MDPhoenix, AZ 850231295272334
- Michael Holmboe, DOPhoenix, AZ 850231720596653
- Matthew Olson, DOPhoenix, AZ 850231730403494
- Stuart Phillips, MDPhoenix, AZ 850231972655827
- Robert Ravinsky, MDPhoenix, AZ 850231508368101
- Alex RenshawPhoenix, AZ 850231790059814
Common questions
What is Sepein Chiang, DO's NPI number?
Sepein Chiang, DO's National Provider Identifier (NPI) is 1154491710, issued on Nov 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sepein Chiang, DO located?
The NPPES record lists a practice address at 18444 N 25TH Ave, Phoenix, AZ, 85023. Phone: (623) 537-5600. Providers update this record themselves, so call before visiting.
How can I verify Sepein Chiang, DO's license?
NPPES lists Arizona license number 3880, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sepein Chiang, DO prescribe under Medicare Part D?
In 2024, Sepein Chiang, DO had 67 Medicare Part D claims for 50 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Sepein Chiang, DO's MIPS final score?
The 2023 MIPS final score is 84.9 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.