Mary M. Simpson, OTR/L
Occupational Therapist · Anderson, SC
Mary M. Simpson, OTR/L is an occupational therapist with a practice address in Anderson, South Carolina, and NPI 1568540284, issued on Nov 1, 2006. Check the license (South Carolina 3173, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary M. Simpson
- Credential
- OTR/L
- Primary taxonomy
- Occupational Therapist 225X00000X
- License number
- 3173 SC
Self-reported in NPPES; status is on the state search - Practice location
- 4122 Clemson Blvd Ste 4G, Anderson, SC 29621
- Phone
- (864) 772-1004
- Enumerated
- Nov 1, 2006
- Record last updated
- Jul 15, 2024
- Fax
- (833) 796-6540
- Medicare enrollment
- Enrolled (PECOS I20140603000639); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest occupational therapist records → All 1,895 in South Carolina → Look up another NPI →
Also registered at 4122 Clemson Blvd Ste 4G
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sheri St. Clair, PTPhysical Therapist1891028932
Verify Mary M. Simpson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
Search for license 3173Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- St Clair Physical Therapy, LLCAnderson, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary M. Simpson among 1,895 occupational therapist records in South Carolina
Mary M. Simpson, OTR/L is one of 1,895 occupational therapist records with a practice address in South Carolina. 13% 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 under 1% of them.
- NPI issued2006 · under 1% of these records are older, 90% newer
- In a Medicare fileYes · 13% of these records are
- In the CMS Doctors and Clinicians fileYes · 15% of these records are
- Graduated2023 · median 2015 among the 277 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 225X00000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
42 occupational therapist records list a practice address in Anderson
They are 42 of the 2,108 NPPES records with a practice address in Anderson, and 1,895 occupational therapist records in South Carolina.
All 1,895 in South Carolina → Every provider in Anderson → Occupational Therapist nationwide →
The 8 occupational therapist records with the nearest ZIP codes
- Julie Brown, MS, OTR/LAnderson, SC 296211548404882
- Karla Cook, OTR-LAnderson, SC 296211033322193
- Jennifer Coughlin, O.T.Anderson, SC 296211902074131
- Debra Foti, OTAnderson, SC 296211770675720
- Emily Gambrel, O.T.Anderson, SC 296211629226683
- Debbie HandAnderson, SC 296211306911276
- Lacey Johnson, MHS, OTR/LAnderson, SC 296211770684995
- Rhonda Merritt, OTR/LAnderson, SC 296211336477553
Common questions
What is Mary M. Simpson, OTR/L's NPI number?
Mary M. Simpson, OTR/L's National Provider Identifier (NPI) is 1568540284, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary M. Simpson, OTR/L located?
The NPPES record lists a practice address at 4122 Clemson Blvd Ste 4G, Anderson, SC, 29621. Phone: (864) 772-1004. Providers update this record themselves, so call before visiting.
How can I verify Mary M. Simpson, OTR/L's license?
NPPES lists South Carolina license number 3173, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity 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.