Susan Lynn Siepierski, PA
Physician Assistant · Detroit, MI
Susan Lynn Siepierski, PA is a physician assistant with a practice address in Detroit, Michigan, and NPI 1609857952, issued on Nov 11, 2005. Check the license (Michigan 5601001905, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Susan Lynn Siepierski
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 5601001905 MI
Self-reported in NPPES; status is on the state search - Practice location
- 4100 John R St, Detroit, MI 48201
- Phone
- (800) 527-6266
- Enumerated
- Nov 11, 2005
- Record last updated
- Apr 26, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (313) 993-8669
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 6,989 in Michigan → Look up another NPI →
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Verify Susan Lynn Siepierski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5601001905Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average physician assistant in 2024
39 Medicare Part D claims for 17 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Pentoxifylline11 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.
Susan Lynn Siepierski among 6,989 physician assistant records in Michigan
Susan Lynn Siepierski, PA is one of 6,989 physician assistant records with a practice address in Michigan. 82% 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, 98% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2019 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
368 physician assistant records list a practice address in Detroit
They are 368 of the 19,832 NPPES records with a practice address in Detroit, and 6,989 physician assistant records in Michigan.
All 6,989 in Michigan → Every provider in Detroit → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Sheree Allen, P.A.-C.Detroit, MI 482011306998810
- Michael Bauer, M.S., PA-CDetroit, MI 482011760528277
- Courtney French, PADetroit, MI 482011043253750
- Karen Harkins, P.A.Detroit, MI 482011215957949
- Sara Lolar, PA-CDetroit, MI 482011184661928
- Felecia Marshall, PADetroit, MI 482011619917556
- Michael McHugh, P.A.Detroit, MI 482011740392422
- Mary Mitchell, PA-CDetroit, MI 482011679662621
Common questions
What is Susan Lynn Siepierski, PA's NPI number?
Susan Lynn Siepierski, PA's National Provider Identifier (NPI) is 1609857952, issued on Nov 11, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Susan Lynn Siepierski, PA located?
The NPPES record lists a practice address at 4100 John R St, Detroit, MI, 48201. Phone: (800) 527-6266. Providers update this record themselves, so call before visiting.
How can I verify Susan Lynn Siepierski, PA's license?
NPPES lists Michigan license number 5601001905, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Susan Lynn Siepierski, PA prescribe under Medicare Part D?
In 2024, Susan Lynn Siepierski, PA had 39 Medicare Part D claims for 17 beneficiaries; the average among physician assistant prescribers was 830. 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.