William Glenn Filer, M.D.
Physical Medicine & Rehabilitation Physician · Chapel Hill, NC
William Glenn Filer, M.D. is a physical medicine & rehabilitation physician with a practice address in Chapel Hill, North Carolina, and NPI 1780845792, issued on Jun 23, 2008. Check the license (North Carolina 2011-01801, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- William Glenn Filer
- Credential
- M.D.
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- 2011-01801 NC
Self-reported in NPPES; status is on the state search - Practice location
- 101 Manning Dr, Chapel Hill, NC 27514
- Phone
- (919) 966-8812
- Enumerated
- Jun 23, 2008
- Record last updated
- Mar 20, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (919) 966-0083
- Medicare enrollment
- Enrolled (PECOS I20120907000313); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 423 in North Carolina → Look up another NPI →
Also registered at 101 Manning Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sudeep Acharya, M.D.Student in an Organized Health Care Education/Training Program1144719402
- Stephen Acosta, MDAnesthesiology Physician1255741757
Verify William Glenn Filer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 2011-01801Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
141 Medicare Part D claims for 25 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D.
Most prescribed
- Baclofen54 claims
- Gabapentin30 claims
- Diazepam16 claims
- Tizanidine Hcl16 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.
Bills Medicare through one group practice
- University OF North Carolina AT Chapel HillChapel Hill, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Glenn Filer among 423 physical medicine & rehabilitation physician records in North Carolina
William Glenn Filer, M.D. is one of 423 physical medicine & rehabilitation physician records with a practice address in North 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 2008, is newer than 41% of them.
- NPI issued2008 · 41% of these records are older, 55% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2008 · median 2007 among the 245 with a school on file
- Record last updated2019 · 46% 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 North 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 North Carolina
There are 423 physical medicine & rehabilitation physician records in North Carolina.
All 423 in North Carolina → Every provider in Chapel Hill → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- Taylor Baker, DOChapel Hill, NC 275141285208470
- John Baratta, MDChapel Hill, NC 275141801158209
- Michael Boyd, D.O.Chapel Hill, NC 275141548615412
- Kevin Carneiro, DOChapel Hill, NC 275141770778532
- Michael Ingraham, M.D.Chapel Hill, NC 275141063708279
- Ingrid Luo-Tseng, MDChapel Hill, NC 275141598792046
- Tracy Paul, M.D.Chapel Hill, NC 275141841686797
- Kimberly Rauch, D.O.Chapel Hill, NC 275141457510976
Common questions
What is William Glenn Filer, M.D.'s NPI number?
William Glenn Filer, M.D.'s National Provider Identifier (NPI) is 1780845792, issued on Jun 23, 2008. An NPI identifies a provider in billing; it is not a license.
Where is William Glenn Filer, M.D. located?
The NPPES record lists a practice address at 101 Manning Dr, Chapel Hill, NC, 27514. Phone: (919) 966-8812. Providers update this record themselves, so call before visiting.
How can I verify William Glenn Filer, M.D.'s license?
NPPES lists North Carolina license number 2011-01801, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Glenn Filer, M.D. prescribe under Medicare Part D?
In 2024, William Glenn Filer, M.D. had 141 Medicare Part D claims for 25 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. 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.