DR. WAYNE D GREEN M.D.
NPI 1114906278
Internal Medicine - Gastroenterology in Harlingen, TX

Q: What is Wayne Green's NPI number?

The NPI number for Wayne Green is 1114906278. It was assigned to this individual provider in the NPPES registry on January 16, 2006.

Q: What is Wayne Green'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 Wayne Green was last updated on March 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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 January 16, 2006PECOS EnrolledAccepts Medicare AssignmentCLIA 45D1040827 · Waiver

51.87/100

CMS Quality Rating

3101 SOUTH 77 SUNSHINE STRIP, SUITE A, HARLINGEN, TX 78550(956) 423-1050(956) 423-1585 Get Directions Write a Review

NPPES record last updated: March 11, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Wayne D Green M.d. NPPES

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

DR. WAYNE D GREEN M.D. (NPI 1114906278) is an individual gastroenterology provider in Harlingen, Texas, licensed in Texas (M0738) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through May 17, 2027, and is affiliated with Vhs Harlingen Hospital Company Llc.

NPPES Registry Identity

NPI1114906278

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. WAYNE D GREENCredential: M.D.

Location Address3101 SOUTH 77 SUNSHINE STRIP, SUITE AHarlingen, TX 78550-8904

Mailing Address3101 South 77 Sunshine Strip, Suite AHarlingen, TX 78550-8904 · (956) 423-1050 · Fax (956) 423-1585

Phone(956) 423-1050

Fax(956) 423-1585

Sole ProprietorYes

Medical School CMSOtherGraduated 1994

Enumeration DateJanuary 16, 2006

Last NPPES UpdateMarch 11, 2026

NPPES CertifiedMarch 11, 2026

✔ NPI 1114906278 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 TX · M0738

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.

3101 SOUTH 77 SUNSHINE STRIP, Harlingen, TX 78550

Open in Google Maps ↗

Other Identifiers 1

Medicaid172691101TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Wayne D Green 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 ID244137420

PECOS Enrollment IDI20100222000409

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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 45D1040827

Wayne D Green, MD, PA Dba Rio Gastroenterology · Harlingen, TX

Active · expires May 17, 2027

CLIA Number45D1040827

Laboratory TypePhysician Office

Certificate Effective DateMay 18, 2025

Certificate Expiration DateMay 17, 2027

Laboratory DirectorWayne D. Green

Laboratory Phone(956) 423-1050

Laboratory LocationWayne D Green, MD, PA Dba Rio Gastroenterology3101 S 77 Sunshine Strip, Suite A, Harlingen, TX 78550

CLIA data matches this NPI record on: Address Phone

This certificate is issued to a laboratory to perform only waived tests.

Areas of Expertise CMS Part B claims 15

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

196 services125 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.

130 services118 patients

Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 87635

This is a lab test that detects the presence of COVID-19 in your body. It uses a technique to amplify the virus's genetic material, either DNA or RNA, making it easier to identify. A positive result indicates an active infection.

93 services78 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

76 services61 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

57 services52 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.

51 services49 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.

47 services47 patients

Ultrasound scan of organ tissue for measuring elasticity 76981

An ultrasound scan of organ tissue measures elasticity, or flexibility. This non-invasive procedure uses sound waves to create images of the inside of your body. It helps in assessing the health of various organs by detecting changes in their stiffness or softness.

44 services36 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.

43 services39 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.

41 services39 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.

39 services39 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

37 services37 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.

21 services18 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

18 services18 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.

17 services16 patients

Hospital Affiliations CMS Care Compare 2

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

Vhs Harlingen Hospital Company LLC

Acute Care Hospitals · Harlingen, TX

2/5 CMS rating

OwnershipProprietary

CMS Certification Number450033

Location2101 Pease StHarlingen, TX 78550 · Cameron County

Emergency services Birthing friendly

Harlingen Medical Center

Acute Care Hospitals · Harlingen, TX

4/5 CMS rating

OwnershipProprietary

CMS Certification Number450855

Location5501 South Expressway 77Harlingen, TX 78550 · Cameron County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78550 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

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

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.

51.87/100

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

Individually scored

Quality

59.45

Improvement Activities

Cost

60.32

Reported Quality Measures

Colorectal Cancer Screening

82%1,196 patients4/55-star benchmark: 88%

Documentation of Current Medications in the Medical Record

96%2,824 patients4/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

16%1,658 patients1/55-star benchmark: 98%

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

0%1,660 patients1/55-star benchmark: 97%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

19%2,820 patients2/55-star benchmark: 61%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 91% · 765 patients

Patients screened: 99% · 765 patients

0%57 patients1/55-star benchmark: 100%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 0% · 722 patients

Patients totalRate: 0% · 722 patients

0%722 patients5/55-star benchmark: 100%

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

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

WAYNE D GREEN, MD, PA

Internal Medicine (Gastroenterology)

3101 SOUTH 77 SUNSHINE STRIP, SUITE A
HARLINGEN, TX 78550

Cameron County (956) 423-1050

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 Wayne Green's NPI number?

The NPI number for Wayne Green is 1114906278. It was assigned to this individual provider in the NPPES registry on January 16, 2006.

Where is Wayne Green located?

Wayne Green practices at 3101 South 77 Sunshine Strip Suite A, Harlingen, TX 78550. The listed phone number is (956) 423-1050.

What is Wayne Green's specialty?

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

Is Wayne Green enrolled in Medicare?

Yes. Wayne Green 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.

Does Wayne Green hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D1040827) is associated with this NPI, valid through May 17, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Wayne Green accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Wayne Green 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 Wayne Green affiliated with any hospitals?

According to CMS data, Wayne Green is affiliated with Vhs Harlingen Hospital Company LLC and Harlingen Medical Center.

When was this NPI record last updated?

The NPPES record for Wayne Green was last updated on March 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.