Mary Margaret Sumner, OTR/L
Occupational Therapist · Oklahoma City, OK
Mary Margaret Sumner, OTR/L is an occupational therapist with a practice address in Oklahoma City, Oklahoma, and NPI 1093177057, issued on Mar 28, 2016. Check the license (Oklahoma 1896, as entered in NPPES) with the Oklahoma board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Margaret Sumner
- Credential
- OTR/L
- Primary taxonomy
- Occupational Therapist 225X00000X
- License number
- 1896 OK
Self-reported in NPPES; status is on the state search - Practice location
- 200 NW 66TH St, Oklahoma City, OK 73116
- Phone
- (405) 840-1957
- Enumerated
- Mar 28, 2016
- Record last updated
- Mar 28, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160413001964); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest occupational therapist records → All 955 in Oklahoma → Look up another NPI →
Also registered at 200 NW 66TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carrie AbramsSpeech-Language Pathologist1366033870
- Brooke Conkin, DPTPhysical Therapist1154627784
- Richard FrancisSports Medicine (Physical Medicine & Rehabilitation) Physician1275302093
- Bridget Furlong, M.S., OTR/LHand Occupational Therapist1265050447
- Payton HadleyPhysical Therapist1891487179
- Nicole McFarlanePhysical Therapist1790895290
Verify Mary Margaret Sumner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oklahoma board licenses this profession
Search for license 1896Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 85.7 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
- Saints Medical Group, LLCOklahoma City, OK
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Margaret Sumner among 955 occupational therapist records in Oklahoma
Mary Margaret Sumner, OTR/L is one of 955 occupational therapist records with a practice address in Oklahoma. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 45% of them.
- NPI issued2016 · 45% of these records are older, 51% newer
- In a Medicare fileYes · 7% of these records are
- In the CMS Doctors and Clinicians fileYes · 8% of these records are
- Graduated2014 · median 2017 among the 81 with a school on file
- Record last updated2016 · 59% 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 Oklahoma practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
204 occupational therapist records list a practice address in Oklahoma City
They are 204 of the 22,359 NPPES records with a practice address in Oklahoma City, and 955 occupational therapist records in Oklahoma.
All 955 in Oklahoma → Every provider in Oklahoma City → Occupational Therapist nationwide →
The 8 occupational therapist records with the nearest ZIP codes
- Tai Allen, OTR/LNichols Hills, OK 731161700057353
- Dina Anderson, OTR/LOklahoma City, OK 731161427205285
- Jennifer Denny, OTRLOklahoma City, OK 731161790903474
- Caroline Grubbs, OTROklahoma City, OK 731161023340833
- Karen Hardwick, O.T.R.Oklahoma City, OK 731161316011927
- Kari Majors, MOTOklahoma City, OK 731161932228269
- Jennifer Martin, OTR/LOklahoma City, OK 731161326297193
- Jennifer Pate, MOT/L, CLTOklahoma City, OK 731161144550419
Common questions
What is Mary Margaret Sumner, OTR/L's NPI number?
Mary Margaret Sumner, OTR/L's National Provider Identifier (NPI) is 1093177057, issued on Mar 28, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Mary Margaret Sumner, OTR/L located?
The NPPES record lists a practice address at 200 NW 66TH St, Oklahoma City, OK, 73116. Phone: (405) 840-1957. Providers update this record themselves, so call before visiting.
How can I verify Mary Margaret Sumner, OTR/L's license?
NPPES lists Oklahoma license number 1896, as entered by the provider. Search the Oklahoma board that licenses this profession; the NPPES record confirms identity only.
What is Mary Margaret Sumner, OTR/L's MIPS final score?
The 2023 MIPS final score is 85.7 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.