James G. Armstrong, DO
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Garden City, MI
James G. Armstrong, DO is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Garden City, Michigan, and NPI 1386642742, issued on Jul 11, 2005. Check the license (Michigan 5101007534, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- James G. Armstrong
- Credential
- DO
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- 5101007534 MI
Self-reported in NPPES; status is on the state search - Practice location
- 5755 Inkster RD, Garden City, MI 48135
- Phone
- (734) 427-6590
- Enumerated
- Jul 11, 2005
- Record last updated
- Apr 29, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (734) 427-6846
- Medicaid ID
- 1814766 MI
- Medicare enrollment
- Enrolled (PECOS I20050714000908); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 1978
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 208 in Michigan → Look up another NPI →
Verify James G. Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101007534Check 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% fewer Medicare Part D claims than the average thoracic surgery (cardiothoracic vascular surgery) physician in 2024
99 Medicare Part D claims for 41 beneficiaries, against an average of 101 among the 2,587 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Clopidogrel52 claims
- Xarelto19 claims
- Atorvastatin Calcium12 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.
Bills Medicare through one group practice
- Hamid Sattar MD PCSouthfield, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James G. Armstrong among 208 thoracic surgery (cardiothoracic vascular surgery) physician records in Michigan
James G. Armstrong, DO is one of 208 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Michigan. 78% 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, 90% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1978 · median 1998 among the 135 with a school on file
- Record last updated2009 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Michigan
There are 208 thoracic surgery (cardiothoracic vascular surgery) physician records in Michigan.
All 208 in Michigan → Every provider in Garden City → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Phillip Camp, M.D.Dearborn, MI 481241194796748
- Reza Dabir, M.D.Dearborn, MI 481241750351383
- John Hilu, MDDearborn, MI 481241750349007
- Jeenah Jung, M.D., PH.D.Dearborn, MI 481241427405596
- Timothy Sell, M.D.Dearborn, MI 481241699745232
- Chigozirim Ekeke, M.DAnn Arbor, MI 481091275911265
- Meghan Kelly, MDAnn Arbor, MI 481091154771350
- Jiyong Moon, MDAnn Arbor, MI 481091922518091
Common questions
What is James G. Armstrong, DO's NPI number?
James G. Armstrong, DO's National Provider Identifier (NPI) is 1386642742, issued on Jul 11, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James G. Armstrong, DO located?
The NPPES record lists a practice address at 5755 Inkster RD, Garden City, MI, 48135. Phone: (734) 427-6590. Providers update this record themselves, so call before visiting.
How can I verify James G. Armstrong, DO's license?
NPPES lists Michigan license number 5101007534, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James G. Armstrong, DO prescribe under Medicare Part D?
In 2024, James G. Armstrong, DO had 99 Medicare Part D claims for 41 beneficiaries; the average among thoracic surgery (cardiothoracic vascular surgery) physician prescribers was 101. Part D covers Medicare prescriptions only.
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.