John Glaser, MD
Orthopaedic Surgery of the Spine Physician · Charleston, SC
John Glaser, MD is an orthopaedic surgery of the spine physician with a practice address in Charleston, South Carolina, and NPI 1659394781, issued on Jul 26, 2006. Check the license (South Carolina 16721, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Glaser
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery of the Spine Physician 207XS0117X
- License number
- 16721 SC
Self-reported in NPPES; status is on the state search - Practice location
- 171 Ashley Ave, Charleston, SC 29425
- Phone
- (843) 792-1414
- Enumerated
- Jul 26, 2006
- Record last updated
- Oct 22, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 167214 SC
- Medicare enrollment
- Enrolled (PECOS I20060412000246); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 1982
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery of the spine physician records → All 37 in South Carolina → Look up another NPI →
Also registered at 171 Ashley Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Glaser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 16721Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average orthopaedic surgery of the spine physician in 2024
139 Medicare Part D claims for 33 beneficiaries, against an average of 381 among the 1,714 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 75 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen45 claims
- Gabapentin25 claims
- Oxycodone-Acetaminophen22 claims
- Methylprednisolone13 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 Medical Associates OF The Medical University OF South CarolCharleston, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Glaser among 37 orthopaedic surgery of the spine physician records in South Carolina
John Glaser, MD is one of 37 orthopaedic surgery of the spine physician records with a practice address in South Carolina. 89% 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 22% of them.
- NPI issued2006 · 22% of these records are older, 35% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1982 · median 2000 among the 28 with a school on file
- Record last updated2020 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0117X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery of the Spine Physician providers in South Carolina
There are 37 orthopaedic surgery of the spine physician records in South Carolina.
All 37 in South Carolina → Every provider in Charleston → Orthopaedic Surgery of the Spine Physician nationwide →
The 8 orthopaedic surgery of the spine physician records with the nearest ZIP codes
- Kelley Banagan, MDCharleston, SC 294251851435408
- Reed ButlerCharleston, SC 294251316567407
- Charles Reitman, MDCharleston, SC 294251487734802
- Barton Sachs, M.D.Charleston, SC 294251700834868
- James Aymond, MDCharleston, SC 294141316972615
- Michael Wildstein, MDCharleston, SC 294121821102245
- Don Stovall, M.D.North Charleston, SC 294061003844523
- William Wilson, MDN Charleston, SC 294061689682213
Common questions
What is John Glaser, MD's NPI number?
John Glaser, MD's National Provider Identifier (NPI) is 1659394781, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Glaser, MD located?
The NPPES record lists a practice address at 171 Ashley Ave, Charleston, SC, 29425. Phone: (843) 792-1414. Providers update this record themselves, so call before visiting.
How can I verify John Glaser, MD's license?
NPPES lists South Carolina license number 16721, 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 John Glaser, MD prescribe under Medicare Part D?
In 2024, John Glaser, MD had 139 Medicare Part D claims for 33 beneficiaries; the average among orthopaedic surgery of the spine physician prescribers was 381. 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.