Glen Loy Portwood, M.D.
Gastroenterology Physician · Charlotte, NC
Glen Loy Portwood, M.D. is a gastroenterology physician with a practice address in Charlotte, North Carolina, and NPI 1316965726, issued on Jul 17, 2006. Check the license (North Carolina 9300570, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Glen Loy Portwood
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 9300570 NC
Self-reported in NPPES; status is on the state search - Practice location
- 101 E WT Harris Blvd Ste 3111, Charlotte, NC 28262
- Phone
- (704) 547-8818
- Enumerated
- Jul 17, 2006
- Record last updated
- May 4, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (704) 547-9865
- Medicaid ID
- 5901259 NC
- Medicare enrollment
- Enrolled (PECOS I20050922000789); accepts Medicare assignment
- Medical or professional school
- Medical College Of Georgia School Of Medicine, 1989
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 681 in North Carolina → Look up another NPI →
Also registered at 101 E WT Harris Blvd Ste 3111
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Madison FolstadClinical Social Worker1043048168
- Fred Fowler, M.D.Gastroenterology Physician1326066705
- Damyah Ward, MSW, LCSW-AClinical Social Worker1548090236
Verify Glen Loy Portwood in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license 9300570Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.3 times the Medicare Part D claims of the average gastroenterology physician in 2024
4,307 Medicare Part D claims for 1,172 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Pantoprazole Sodium938 claims
- Sod Sulf-Potass Sulf-Mag Sulf449 claims
- Bethanechol Chloride304 claims
- Omeprazole287 claims
- Dicyclomine Hcl270 claims
- Famotidine147 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 practice group's MIPS final score for 2023 (Medicare payment program): 91.1 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).
Industry payments in 2024: $1,200.11
54 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 4 group practices
- Carolina Digestive Health Associates PAConcord, NC
- Collins Carson City Gastroenterology, LtdCarson City, NV
- Dlp Frye Medical Group LLCHickory, NC
- Georgetown Physician Associates, LLCMurrells Inlet, SC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Glen Loy Portwood among 681 gastroenterology physician records in North Carolina
Glen Loy Portwood, M.D. is one of 681 gastroenterology physician records with a practice address in North Carolina. 83% 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 13% of them.
- NPI issued2006 · 13% of these records are older, 47% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1989 · median 2002 among the 498 with a school on file
- Record last updated2017 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in North Carolina
There are 681 gastroenterology physician records in North Carolina.
All 681 in North Carolina → Every provider in Charlotte → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Fred Fowler, M.D.Charlotte, NC 282621326066705
- Oscar Brann, M.D.Charlotte, NC 282771003891094
- Srinivas Cheruvu, M.D.Charlotte, NC 282771356367957
- Sam Fulp, M.D.Charlotte, NC 282771548218118
- Thomas Gavigan, M.D.Charlotte, NC 282771760430607
- Alex Kesler, M.D.Charlotte, NC 282771235662206
- Dennis Kokenes, M.D.Charlotte, NC 282771407814999
- Pouneh Nikrooz, MDCharlotte, NC 282771992738983
Common questions
What is Glen Loy Portwood, M.D.'s NPI number?
Glen Loy Portwood, M.D.'s National Provider Identifier (NPI) is 1316965726, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Glen Loy Portwood, M.D. located?
The NPPES record lists a practice address at 101 E WT Harris Blvd Ste 3111, Charlotte, NC, 28262. Phone: (704) 547-8818. Providers update this record themselves, so call before visiting.
How can I verify Glen Loy Portwood, M.D.'s license?
NPPES lists North Carolina license number 9300570, 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 Glen Loy Portwood, M.D. prescribe under Medicare Part D?
In 2024, Glen Loy Portwood, M.D. had 4,307 Medicare Part D claims for 1,172 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Glen Loy Portwood, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.1 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.