Sandra L. Greenspan, PA
Physician Assistant · Wixom, MI
Sandra L. Greenspan, PA is a physician assistant with a practice address in Wixom, Michigan, and NPI 1790820892, issued on Feb 20, 2007. Check the license (Michigan 5601001708, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sandra L. Greenspan
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 5601001708 MI
Self-reported in NPPES; status is on the state search - Practice location
- 29600 S Wixom RD, Wixom, MI 48393
- Phone
- (248) 926-8459
- Enumerated
- Feb 20, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (248) 926-1310
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 6,989 in Michigan → Look up another NPI →
Also registered at 29600 S Wixom RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chitra Asher, M.D.Family Medicine Physician1427045483
- Rita Khaneja-Sharrow, D.O.Family Medicine Physician1982691846
- Kaitlyn LangolfOccupational Therapist1568026714
- Kylie Ray, PT, DPTPhysical Therapist1265364277
- Andrew RudenGeneral Practice Physician1881717049
- Loretta Villeneuve, P.A.Physician Assistant1922144195
Verify Sandra L. Greenspan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5601001708Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average physician assistant in 2024
11 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
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.
Sandra L. Greenspan among 6,989 physician assistant records in Michigan
Sandra L. Greenspan, 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 2007, is newer than 17% of them.
- NPI issued2007 · 17% of these records are older, 76% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2007 · 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).
2 physician assistant records list a practice address in Wixom
They are 2 of the 161 NPPES records with a practice address in Wixom, and 6,989 physician assistant records in Michigan.
All 6,989 in Michigan → Every provider in Wixom → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Loretta Villeneuve, P.A.Wixom, MI 483931922144195
- James Demerest, MSBS, PA-C, RDNCommerce Twp, MI 483901083231831
- Haley EstesWalled Lake, MI 483901649098518
- Bethany LongCommerce Township, MI 483901114743002
- Julie Micheli, PA CWalled Lake, MI 483901285627802
- Emily Murray, PACommerce Township, MI 483901922730464
- Ravi ShankerCommerce, MI 483901295538965
- Selena Sheppard, PA-CWalled Lake, MI 483901295491041
Common questions
What is Sandra L. Greenspan, PA's NPI number?
Sandra L. Greenspan, PA's National Provider Identifier (NPI) is 1790820892, issued on Feb 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sandra L. Greenspan, PA located?
The NPPES record lists a practice address at 29600 S Wixom RD, Wixom, MI, 48393. Phone: (248) 926-8459. Providers update this record themselves, so call before visiting.
How can I verify Sandra L. Greenspan, PA's license?
NPPES lists Michigan license number 5601001708, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does Sandra L. Greenspan, PA prescribe under Medicare Part D?
In 2024, Sandra L. Greenspan, PA had 11 Medicare Part D claims; 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.