MATTHEW NEFF
NPI 1801030523
Internal Medicine - Gastroenterology in Nashville, TN

Q: What is Matthew Neff's NPI number?

The NPI number for Matthew Neff is 1801030523. It was assigned to this individual provider in the NPPES registry on April 24, 2009.

Q: What is Matthew Neff'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 Matthew Neff was last updated on October 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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 April 24, 2009PECOS EnrolledAccepts Medicare Assignment

330 23RD AVE N, SUITE 300, NASHVILLE, TN 37203(615) 342-6010(615) 342-7898 Get Directions Write a Review

NPPES record last updated: October 10, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 10, 2025, Aug 9, 2016 (2 updates tracked since 2016).

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About Matthew Neff NPPES

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

MATTHEW NEFF (NPI 1801030523) is an individual gastroenterology provider in Nashville, Tennessee, licensed in Tennessee (48473) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS, is affiliated with Tristar Summit Medical Center, and is a graduate of East Tennessee State University Quillen College Of Medicine (2009).

NPPES Registry Identity

NPI1801030523

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameMATTHEW NEFF

Location Address330 23RD AVE N, SUITE 300Nashville, TN 37203-1534

Mailing Address330 23rd Ave N, Suite 300Nashville, TN 37203-1534 · (615) 342-6010 · Fax (615) 342-7898

Phone(615) 342-6010

Fax(615) 342-7898

Sole ProprietorYes

Medical School CMSEast Tennessee State University Quillen College Of MedicineGraduated 2009

Enumeration DateApril 24, 2009

Last NPPES UpdateOctober 10, 20252 updates tracked since enumeration

NPPES CertifiedOctober 10, 2025

✔ NPI 1801030523 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in TN · 48473✔ Licensed in LA · MD.206270

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License 48473 (TN)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

330 23RD AVE N, Nashville, TN 37203

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health 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

Matthew Neff 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 ID8729244074

PECOS Enrollment IDI20120731000829

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.

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.

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.

97 services96 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.

84 services84 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.

79 services63 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.

77 services75 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.

62 services54 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.

61 services56 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.

60 services60 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

48 services39 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.

30 services30 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

Measurement of liver stiffness 91200

Measurement of liver stiffness is a non-invasive procedure that helps assess the health of your liver. It uses sound waves to detect the hardness of the liver tissue, which can indicate conditions like fibrosis or cirrhosis. It's a simple, painless test that provides valuable information about your liver's health.

16 services16 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.

14 services14 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.

14 services14 patients

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.

13 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Tristar Summit Medical Center

Acute Care Hospitals · Hermitage, TN

2/5 CMS rating

OwnershipProprietary

CMS Certification Number440150

Location5655 Frist BlvdHermitage, TN 37076 · Davidson County

Emergency services Birthing friendly

Tristar Centennial Medical Center

Acute Care Hospitals · Nashville, TN

4/5 CMS rating

OwnershipProprietary

CMS Certification Number440161

Location2300 Patterson StreetNashville, TN 37203 · Davidson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37203 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

$121.80 typical visit price

range $52.64 – $160.89

Typical copayment $30.45 (range $13.16 – $40.22)

Most-billed visit code 99204

Established Patient

$93.60 typical visit price

range $16.72 – $131.41

Typical copayment $23.40 (range $4.18 – $32.85)

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.

Reported Quality Measures

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

3%180 patients1/55-star benchmark: 100%

Colorectal Cancer Screening

Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer

70%300 patients4/55-star benchmark: 85%

Diabetes: Medical Attention for Nephropathy

The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period

87%67 patients4/55-star benchmark: 99%

Documentation of Current Medications in the Medical Record

Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.

71%1,132 patients2/55-star benchmark: 100%

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.

91%1,737 patients3/55-star benchmark: 99%

Falls: Screening for Future Fall Risk

Percentage of patients 65 years of age and older who were screened for future fall risk during the measurement period

50%192 patients3/55-star benchmark: 99%

Health Information Exchange

The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…

33%113 patients2/55-star benchmark: 88%

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.

99%571 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.

69%805 patients3/55-star benchmark: 97%

Pneumococcal Vaccination Status for Older Adults

Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine

40%193 patients2/55-star benchmark: 90%

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

Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen

4%646 patients1/55-star benchmark: 96%

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…

100%805 patients5/55-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…

32%805 patients2/55-star benchmark: 89%

Use of High-Risk Medications in the Elderly

Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.

Lower rates are better for this measure.

Patients 2+: 0% · 180 patients

1%180 patients4/55-star benchmark: 100%

View, Download, or Transmit (VDT)

At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.

21%805 patients

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 20

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

TRISTAR GYNECOLOGY ONCOLOGY, LLC

Obstetrics & Gynecology (Gynecologic Oncology)

330 23RD AVE N, SUITE 600
NASHVILLE, TN 37203

Davidson County (615) 340-4640

ANNA KATHLEEN NEBEL NP

Nurse Practitioner

330 23RD AVE N, SUITE 300
NASHVILLE, TN 37203

Davidson County (615) 342-6010

SARAH WRAY APRN

Nurse Practitioner (Pediatrics)

330 23RD AVE N, SUITE 450
NASHVILLE, TN 37203

Davidson County (615) 342-7339

CLARENCE E FOSTER III MD

Transplant Surgery

330 23RD AVE N, SUITE 250
NASHVILLE, TN 37203

Davidson County (615) 342-5626

NASHVILLE PEDIATRIC UROLOGY, PC

Urology (Pediatric Urology)

330 23RD AVE N, SUITE 602
NASHVILLE, TN 37203

Davidson County (615) 342-7320

PUTHENPURACKAL MATHEW MD

Pediatrics (Pediatric Endocrinology)

330 23RD AVE N, SUITE 450
NASHVILLE, TN 37203

Davidson County (615) 342-7339

CATHERINE M THORNBURG M.D.

Obstetrics & Gynecology

330 23RD AVE N, SUITE 604
NASHVILLE, TN 37203

Davidson County (615) 986-6039

JESUS ERIC PINA-GARZA MD

Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)

330 23RD AVE N, SUITE 450
NASHVILLE, TN 37203

Davidson County (615) 342-7339

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 Matthew Neff's NPI number?

The NPI number for Matthew Neff is 1801030523. It was assigned to this individual provider in the NPPES registry on April 24, 2009.

Where is Matthew Neff located?

Matthew Neff practices at 330 23rd Ave N Suite 300, Nashville, TN 37203. The listed phone number is (615) 342-6010.

What is Matthew Neff's specialty?

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

Is Matthew Neff enrolled in Medicare?

Yes. Matthew Neff 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.

What insurance does Matthew Neff accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Magnolia Health, Ambetter of Alabama and Ambetter of North Carolina and 3 other insurers list Matthew Neff 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 Matthew Neff affiliated with any hospitals?

According to CMS data, Matthew Neff is affiliated with Tristar Summit Medical Center and Tristar Centennial Medical Center.

When was this NPI record last updated?

The NPPES record for Matthew Neff was last updated on October 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.