GLEN LOY PORTWOOD M.D.
NPI 1316965726
Internal Medicine - Gastroenterology in Charlotte, NC

Q: What is Glen Portwood's NPI number?

The NPI number for Glen Portwood is 1316965726. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Q: What is Glen Portwood's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Glen Portwood was last updated on May 4, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 17, 2006PECOS EnrolledAccepts Medicare Assignment

91.06/100

CMS Quality Rating

101 E WT HARRIS BLVD STE 3111, CHARLOTTE, NC 28262(704) 547-8818(704) 547-9865 Get Directions Write a Review

NPPES record last updated: May 4, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Glen Loy Portwood M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GLEN LOY PORTWOOD M.D. (NPI 1316965726) is an individual gastroenterology provider in Charlotte, North Carolina, licensed in North Carolina (9300570) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Frye Regional Medical Center, and is a graduate of Medical College Of Georgia School Of Medicine (1989).

NPPES Registry Identity

NPI1316965726

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameGLEN LOY PORTWOODCredential: M.D.

Location Address101 E WT HARRIS BLVD STE 3111Charlotte, NC 28262-7002

Mailing Address11301 Carmel Commons Blvd, Ste 302Charlotte, NC 28226-5305 · (704) 372-7974 · Fax (704) 372-5166

Phone(704) 547-8818

Fax(704) 547-9865

Sole ProprietorYes

Medical School CMSMedical College Of Georgia School Of MedicineGraduated 1989

Enumeration DateJuly 17, 2006

Last NPPES UpdateMay 4, 2017

✔ NPI 1316965726 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in NC · 9300570

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

101 E WT HARRIS BLVD STE 3111, Charlotte, NC 28262

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Other Identifiers 3

Medicaid5901259NC

Medicare UPINF20611NC

Medicare ID-Type Unspecified2195041ANC

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of North Carolina and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Glen Loy Portwood M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID345274908

PECOS Enrollment IDI20050922000789, I20250818000840, I20260312002323

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Glen Portwood reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Carolina Digestive Health Associates, PA

8.7 mi

Gastroenterology

300 BILLINGSLEY RD STE 200
Charlotte, NC 28211

Reassigned Medicare billing, North Carolina enrollment
59 clinicians in this Medicare group

NPI 1124052444 (704) 372-7974

Dlp Frye Medical Group LLC

30 mi

Rural Health

1470 E GASTON ST STE 300
Lincolnton, NC 28092

Reassigned Medicare billing, North Carolina enrollment
228 clinicians in this Medicare group

NPI 1154005965 (704) 735-7474

Musc Community Physicians

139 mi

Internal Medicine

506 NORTH ST
Bamberg, SC 29003

Reassigned Medicare billing, South Carolina enrollment
2,389 clinicians in this Medicare group

NPI 1841878006 (803) 245-6290

Georgetown Physician Associates, LLC

151 mi

Family Medicine

4301 DICK POND RD
Myrtle Beach, SC 29588

Reassigned Medicare billing, South Carolina enrollment
266 clinicians in this Medicare group

NPI 1679987028 (843) 652-8100

Collins Carson City Gastroenterology Ltd

2,152 mi

Gastroenterology

1385 VISTA LN
Carson City, NV 89703

Reassigned Medicare billing, Nevada enrollment
11 clinicians in this Medicare group

NPI 1780395764 (775) 329-4600

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 14

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439

Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.

676 services89 patients

Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490

Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.

391 services92 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

370 services249 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

207 services202 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

139 services138 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

133 services133 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

99 services99 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

79 services79 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

65 services43 patients

Insertion of guide wire with dilation of esophagus using a flexible endoscope 43248

This is a procedure where a thin tube, called an endoscope, is gently passed through your mouth into your esophagus. A guide wire is then inserted to help widen any narrow areas. This helps improve swallowing and reduce discomfort.

54 services52 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

36 services35 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

34 services26 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

32 services32 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

18 services18 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Frye Regional Medical Center

Acute Care Hospitals · Hickory, NC

1/5 CMS rating

OwnershipProprietary

CMS Certification Number340116

Location420 N Center StHickory, NC 28601 · Catawba County

Emergency services Birthing friendly

Tidelands Georgetown Memorial Hospital

Acute Care Hospitals · Georgetown, SC

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420020

Location606 Black River Rd Drawer 1718Georgetown, SC 29440 · Georgetown County

Emergency services

Tidelands Waccamaw Community Hospital

Acute Care Hospitals · Murrells Inlet, SC

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420098

Location4070 Hwy 17Murrells Inlet, SC 29576 · Horry County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 28262 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$125.01 typical visit price

range $54.12 – $165.09

Typical copayment $31.25 (range $13.53 – $41.27)

Most-billed visit code 99204

Established Patient

$95.94 typical visit price

range $17.21 – $134.61

Typical copayment $23.98 (range $4.30 – $33.65)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.06/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

84.96

Promoting Interoperability

100

Improvement Activities

Cost

85.24

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MADISON ALEXI FOLSTAD

Social Worker (Clinical)

101 E WT HARRIS BLVD STE 3111
CHARLOTTE, NC 28262

Mecklenburg County (704) 237-4240

FRED CHARLES FOWLER M.D.

Internal Medicine (Gastroenterology)

101 E WT HARRIS BLVD STE 3111
CHARLOTTE, NC 28262

Mecklenburg County (704) 547-8818

DAMYAH WARD MSW, LCSW-A

Social Worker (Clinical)

101 E WT HARRIS BLVD STE 3111
CHARLOTTE, NC 28262

Mecklenburg County (704) 237-4240

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Glen Portwood's NPI number?

The NPI number for Glen Portwood is 1316965726. It was assigned to this individual provider in the NPPES registry on July 17, 2006.

Where is Glen Portwood located?

Glen Portwood practices at 101 E Wt Harris Blvd Ste 3111, Charlotte, NC 28262. The listed phone number is (704) 547-8818.

What is Glen Portwood's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Glen Portwood enrolled in Medicare?

Yes. Glen Portwood is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Glen Portwood's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Glen Portwood reassigns Medicare benefits to 5 organizations: Carolina Digestive Health Associates, PA (Charlotte, NC), Dlp Frye Medical Group LLC (Lincolnton, NC), Musc Community Physicians (Bamberg, SC), Georgetown Physician Associates, LLC (Myrtle Beach, SC) and Collins Carson City Gastroenterology Ltd (Carson City, NV). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Glen Portwood's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Glen Portwood accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of North Carolina, Ambetter of Tennessee and Blue Cross and Blue Shield of NC and 4 other insurers list Glen Portwood as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Glen Portwood affiliated with any hospitals?

According to CMS data, Glen Portwood is affiliated with Frye Regional Medical Center, Tidelands Georgetown Memorial Hospital and Tidelands Waccamaw Community Hospital.

When was this NPI record last updated?

The NPPES record for Glen Portwood was last updated on May 4, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.