DR. GREGORY WILLIAM WIGGER M.D.
NPI 1851787402
Internal Medicine - Pulmonary Disease in Nashville, TN

Q: What is Gregory Wigger's NPI number?

The NPI number for Gregory Wigger is 1851787402. It was assigned to this individual provider in the NPPES registry on April 10, 2015.

Q: What is Gregory Wigger's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Wigger was last updated on August 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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 10, 2015PECOS EnrolledAccepts Medicare Assignment

300 20TH AVE N STE G4, NASHVILLE, TN 37203(615) 284-5098 Get Directions Write a Review

NPPES record last updated: August 5, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 5, 2025, May 11, 2023, Feb 13, 2023 (3 updates tracked since 2023).

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About Dr. Gregory William Wigger M.d. NPPES

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

DR. GREGORY WILLIAM WIGGER M.D. (NPI 1851787402) is an individual pulmonary disease provider in Nashville, Tennessee, licensed in Tennessee (67116) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Sumner Regional Medical Center, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1851787402

Entity TypeIndividualMale

Primary Taxonomy207RP1001X

Provider Legal NameDR. GREGORY WILLIAM WIGGERCredential: M.D.

Location Address300 20TH AVE N STE G4Nashville, TN 37203-2244

Mailing Address3024 Business Park CirGoodlettsville, TN 37072-3132 · (615) 239-2018

Phone(615) 284-5098

Sole ProprietorNo

Medical School CMSOtherGraduated 2015

Enumeration DateApril 10, 2015

Last NPPES UpdateAugust 5, 20253 updates tracked since enumeration

NPPES CertifiedAugust 5, 2025

✔ NPI 1851787402 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in TN · 67116

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

Also ListedInternal MedicineTaxonomy 207R00000X · License 57026550 (OH)

300 20TH AVE N STE G4, Nashville, TN 37203

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Secondary Practice Locations 3

Location 1234 Goodman St., ML 0781Cincinnati, OH 45219 · Phone (513) 584-4505 · Fax (513) 584-0468

Location 2135 E Swan StCenterville, TN 37033-1417 · Phone (615) 284-5098

Location 3300 Steam Plant Rd Ste 490Gallatin, TN 37066-3032 · Phone (615) 284-5385

Accepted Insurance

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

Dr. Gregory William Wigger 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 ID5890007892

PECOS Enrollment IDI20230224000271

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 Gregory Wigger reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Advanced Diagnostic Imaging, PC

13 mi

Internal Medicine

3024 BUSINESS PARK CIR
Goodlettsville, TN 37072

Reassigned Medicare billing, Tennessee enrollment
734 clinicians in this Medicare group

NPI 1093741464 (615) 239-2061

Advanced Specialists, PC

13 mi

Internal Medicine

3024 BUSINESS PARK CIR
Goodlettsville, TN 37072

Reassigned Medicare billing, Tennessee enrollment
317 clinicians in this Medicare group

NPI 1649133463 (615) 239-2018

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 10

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.

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.

329 services71 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.

222 services109 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

205 services95 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.

92 services63 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.

50 services50 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.

44 services44 patients

Hospital Affiliations CMS Care Compare 5

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

Sumner Regional Medical Center

Acute Care Hospitals · Gallatin, TN

1/5 CMS rating

OwnershipProprietary

CMS Certification Number440003

Location555 Hartsville PikeGallatin, TN 37066 · Sumner County

Emergency services Birthing friendly

Tennova Healthcare-Clarksville

Acute Care Hospitals · Clarksville, TN

1/5 CMS rating

OwnershipProprietary

CMS Certification Number440035

Location651 Dunlop LaneClarksville, TN 37040 · Montgomery County

Emergency services Birthing friendly

Saint Thomas Rutherford Hospital

Acute Care Hospitals · Murfreesboro, TN

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number440053

Location1700 Medical Center ParkwayMurfreesboro, TN 37129 · Rutherford County

Emergency services Birthing friendly

Ascension Saint Thomas Hospital

Acute Care Hospitals · Nashville, TN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440082

Location4220 Harding Rd, PO Box 380Nashville, TN 37205 · Davidson County

Emergency services Birthing friendly

Saint Thomas Hickman Hospital

Critical Access Hospitals · Centerville, TN

OwnershipVoluntary non-profit - Private

CMS Certification Number441300

Location135 East Swan StreetCenterville, TN 37033 · Hickman County

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.

Other Providers at the Same Location NPPES 15

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

ASHLEY ANN WYSE N.P.

Nurse Practitioner (Family)