DR. C DON GREENWAY M.D.
NPI 1891799722
Specialist in Little Rock, AR

Q: What is C Greenway's NPI number?

The NPI number for C Greenway is 1891799722. It was assigned to this individual provider in the NPPES registry on June 9, 2005.

Q: What is C Greenway's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for C Greenway was last updated on July 13, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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 June 09, 2005PECOS Enrolled

409 N UNIVERSITY AVE, LITTLE ROCK, AR 72205(501) 664-6980(501) 664-4738 Get Directions Write a Review

NPPES record last updated: July 13, 2016. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. C Don Greenway M.d. NPPES

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

DR. C DON GREENWAY M.D. (NPI 1891799722) is an individual specialist in Little Rock, Arkansas, licensed in Arkansas (C4718) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891799722

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameDR. C DON GREENWAYCredential: M.D.

Location Address409 N UNIVERSITY AVELittle Rock, AR 72205-3108

Mailing Address409 N University AveLittle Rock, AR 72205-3108 · (501) 664-6980 · Fax (501) 664-4738

Phone(501) 664-6980

Fax(501) 664-4738

Sole ProprietorNo

Enumeration DateJune 9, 2005

Last NPPES UpdateJuly 13, 2016

✔ NPI 1891799722 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in AR · C4718

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

409 N UNIVERSITY AVE, Little Rock, AR 72205

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Other Identifiers 3

Medicare UPINC68413AR

Medicaid104495001AR

Medicare PIN327509AR

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan 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 (PECOS)

Dr. C Don Greenway M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show C Greenway reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Texas Digestive Disease Consultants PLLC

142 mi

Gastroenterology

3901 PARKWAY CIR STE 550
Springdale, AR 72762

Reassigned Medicare billing, Arkansas enrollment
40 clinicians in this Medicare group

NPI 1508400425 (479) 346-1850

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

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.

Reported Quality Measures

Appropriate Follow-Up Interval for Normal Colonoscopy in Average Risk Patients

Percentage of patients aged 50 to 75 years of age receiving a screening colonoscopy without biopsy or polypectomy who had a recommended follow-up interval of at least 10 years for repeat colonoscopy documented in their colonoscopy report

100%66 patients

Appropriate indication for colonoscopy

Percentage of colonoscopy procedures performed for an indication that is included in a published standard list of appropriate indications and the indication is documented

84%541 patients3/55-star benchmark: 99%

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

86%1,538 patients4/55-star benchmark: 100%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

97%228 patients4/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

72%846 patients3/55-star benchmark: 100%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

56%1,102 patients3/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

0%1,102 patients1/55-star benchmark: 79%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 10

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

PINNACLE GASTROENTEROLOGY ASSOCIATES PLLC

Internal Medicine (Gastroenterology)