Alfred P. Chiang, D.O.
Internal Medicine Physician · Plymouth, MN
Alfred P. Chiang, D.O. is an internal medicine physician with a practice address in Plymouth, Minnesota, and NPI 1043243827, issued on Jul 8, 2006. Check the license (Minnesota 53688, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Alfred P. Chiang
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 53688 MN
1790 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2700 Campus Dr, Plymouth, MN 55441
- Phone
- (763) 519-0634
- Enumerated
- Jul 8, 2006
- Record last updated
- Jan 29, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (763) 519-0636
- Medicare enrollment
- Enrolled (PECOS I20110323001033); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,632 in Minnesota → Look up another NPI →
Verify Alfred P. Chiang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 53688Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
89 Medicare Part D claims for 19 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Pramipexole Dihydrochloride34 claims
- Clonazepam15 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 practice group's MIPS final score for 2023 (Medicare payment program): 87.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Fairview Express CareBrooklyn Park, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alfred P. Chiang among 2,632 internal medicine physician records in Minnesota
Alfred P. Chiang, D.O. is one of 2,632 internal medicine physician records with a practice address in Minnesota. 75% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2002 · median 2008 among the 1,700 with a school on file
- Record last updated2013 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 internal medicine physician records list a practice address in Plymouth
They are 19 of the 1,500 NPPES records with a practice address in Plymouth, and 2,632 internal medicine physician records in Minnesota.
All 2,632 in Minnesota → Every provider in Plymouth → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Scott Flaata, DOPlymouth, MN 554411801962931
- Michael Grouws, M.D.Plymouth, MN 554411114014560
- Syed Hasan, MDPlymouth, MN 554411841492188
- Erick Huang, D.O.Plymouth, MN 554411134388218
- Ronald Kaufman, M.D., PH.D.Plymouth, MN 554411295734374
- Robert Lager, M.D.Plymouth, MN 554411962599480
- Brian Miller, MDPlymouth, MN 554411427215433
- Lex Nerenberg, M.D.Plymouth, MN 554411275620627
Common questions
What is Alfred P. Chiang, D.O.'s NPI number?
Alfred P. Chiang, D.O.'s National Provider Identifier (NPI) is 1043243827, issued on Jul 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alfred P. Chiang, D.O. located?
The NPPES record lists a practice address at 2700 Campus Dr, Plymouth, MN, 55441. Phone: (763) 519-0634. Providers update this record themselves, so call before visiting.
How can I verify Alfred P. Chiang, D.O.'s license?
NPPES lists Minnesota license number 53688, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alfred P. Chiang, D.O. prescribe under Medicare Part D?
In 2024, Alfred P. Chiang, D.O. had 89 Medicare Part D claims for 19 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Alfred P. Chiang, D.O.'s MIPS final score?
The 2023 MIPS final score is 87.6 of 100, reported for the practice group. 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.