Doctor profile · Federal record

Dr. Glen Portwood, M.D.

Gastroenterology Physician (CMS: Internal Medicine) · Charlotte, NC

  • NPI 1316965726
  • Accepts Medicare
  • MIPS 91.1 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
101 E Wt Harris Blvd Ste 3111
Charlotte, NC 282627002
(704) 547-8818
fax (704) 547-9865
Mailing address
11301 Carmel Commons Blvd, Ste 302
Charlotte, NC 282265305

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 4, 2017
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
North Carolina #9300570
Medicaid
NC #5901259

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316965726. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,671
Distinct HCPCS
10
Medicare allowed
$216,824
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 592 354 $122
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 216 209 $79
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 146 145 $241
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 130 83 $77
99204 New patient office or other outpatient visit, 45-59 minutes 124 124 $159
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 88 85 $125
45380 Biopsy of large bowel using a flexible endoscope 73 73 $147
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 70 49 $48
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 58 58 $176
43248 Insertion of guide wire with dilation of esophagus using a flexible endoscope 53 51 $134

In context: peer comparison

Among 34 peers in this city , average services per provider: 105. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,200
Transactions
54
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 19 $330.99
PFIZER INC. 9 $207.15
VIVUS LLC 8 $151.29
3-D Matrix, Inc. 1 $144.11
Salix Pharmaceuticals, a division of Bausch Health US, LLC 5 $118.16
Madrigal Pharmaceuticals 2 $63.38
Celgene Corporation 2 $37.06
QOL Medical, LLC 2 $36.37
Celltrion USA Inc. 1 $34.02
EVOKE PHARMA, INC. 2 $31.98
Janssen Biotech, Inc. 1 $16.97
GENZYME CORPORATION 1 $15.55
Fresenius Kabi USA, LLC 1 $13.08

By nature of payment

Food and Beverage
$1,166
Education
$34

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,979
Patients
1,233
Total drug cost
$1,043,688
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 877 332 $14,632
Omeprazole Generic 336 115 $6,276
Bethanechol Chloride Generic 312 106 $23,062
Dicyclomine Hcl Generic 311 111 $9,336
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 167 165 $13,429
Creon (Lipase/Protease/Amylase) Brand 111 43 $478,219
Esomeprazole Magnesium Generic 106 36 $7,728
Linzess (Linaclotide) Brand 106 40 $125,310
Colestipol Hcl Generic 102 39 $10,876
Famotidine Generic 100 42 $1,577

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Glen Portwood's medical specialty?
Dr. Glen Portwood practices Gastroenterology Physician in Charlotte, NC.
Where does Dr. Glen Portwood practice?
Dr. Glen Portwood practices at 101 E Wt Harris Blvd Ste 3111, Charlotte, NC 282627002. Office phone: 7045478818.
What is Dr. Glen Portwood's NPI?
Dr. Glen Portwood's National Provider Identifier (NPI) is 1316965726, issued by NPPES.
Does Dr. Glen Portwood accept Medicare assignment?
Yes. Dr. Glen Portwood accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Glen Portwood commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.