William D. Westerkam, MD
Physical Medicine & Rehabilitation Physician · Columbia, SC
William D. Westerkam, MD is a physical medicine & rehabilitation physician with a practice address in Columbia, South Carolina, and NPI 1255303103, issued on Feb 5, 2006. Check the license (South Carolina 17388, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William D. Westerkam
- Credential
- MD
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- 17388 SC
Self-reported in NPPES; status is on the state search - Practice location
- 2935 Colonial Dr, Columbia, SC 29203
- Phone
- (803) 401-1372
- Enumerated
- Feb 5, 2006
- Record last updated
- Feb 21, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (803) 401-1178
- Medicare enrollment
- Enrolled (PECOS I20040504001204); accepts Medicare assignment
- Medical or professional school
- Emory University School Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 182 in South Carolina → Look up another NPI →
Also registered at 2935 Colonial Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sandrita Eaddy, FNPFamily Nurse Practitioner1548819188
- Courtney IsaacFamily Nurse Practitioner1073126074
- Lester Lachuk, PHARM.D., MBAPharmacotherapy Pharmacist1811999634
- Naida Rutherford, APRN, AGACNP-BCAcute Care Nurse Practitioner1700238300
- Devin Troyer, M.D.Physical Medicine & Rehabilitation Physician1518915263
- Aubrey Williams, P.T.Physical Therapist1093001935
Verify William D. Westerkam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 17388Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
84 Medicare Part D claims for 15 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D.
Most prescribed
- Lisinopril19 claims
- Gabapentin14 claims
- Levothyroxine Sodium12 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.
The MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Rehab And GeriatricsColumbia, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William D. Westerkam among 182 physical medicine & rehabilitation physician records in South Carolina
William D. Westerkam, MD is one of 182 physical medicine & rehabilitation physician records with a practice address in South Carolina. 64% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 61% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated1990 · median 2005 among the 101 with a school on file
- Record last updated2008 · 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 208100000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physical Medicine & Rehabilitation Physician providers in South Carolina
There are 182 physical medicine & rehabilitation physician records in South Carolina.
All 182 in South Carolina → Every provider in Columbia → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- John Clavet, M.D.Columbia, SC 292031144423930
- Angela Eaton-Walker, MDColumbia, SC 292031235239286
- Mutahammis Kareem, M.D.Columbia, SC 292031326454745
- Ambreona Thomas, DOColumbia, SC 292031316442015
- Devin Troyer, M.D.Columbia, SC 292031518915263
- Mary HaleColumbia, SC 292041700981214
- Tracy Hill, PTColumbia, SC 292041861589400
- Eduardo Irizarry, MDColumbia, SC 292041124119524
Common questions
What is William D. Westerkam, MD's NPI number?
William D. Westerkam, MD's National Provider Identifier (NPI) is 1255303103, issued on Feb 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William D. Westerkam, MD located?
The NPPES record lists a practice address at 2935 Colonial Dr, Columbia, SC, 29203. Phone: (803) 401-1372. Providers update this record themselves, so call before visiting.
How can I verify William D. Westerkam, MD's license?
NPPES lists South Carolina license number 17388, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William D. Westerkam, MD prescribe under Medicare Part D?
In 2024, William D. Westerkam, MD had 84 Medicare Part D claims for 15 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.
What is William D. Westerkam, MD's MIPS final score?
The 2023 MIPS final score is 0 of 100. 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.