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

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: August 16, 2026.

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

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 is a graduate of Other (2015).

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
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

Accepted 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. 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.

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 4

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

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.

Nurse Practitioner (Family)
300 20TH AVE N STE G4
NASHVILLE, TN 37203
Nurse Practitioner (Acute Care)
300 20TH AVE N STE G4
NASHVILLE, TN 37203
Nurse Practitioner (Acute Care)
300 20TH AVE N STE G4
NASHVILLE, TN 37203
Internal Medicine (Pulmonary Disease)
300 20TH AVE N STE G4
NASHVILLE, TN 37203
Nurse Practitioner (Acute Care)
300 20TH AVE N STE G4
NASHVILLE, TN 37203
Internal Medicine (Pulmonary Disease)
300 20TH AVE N STE G4
NASHVILLE, TN 37203
Nurse Practitioner (Acute Care)
300 20TH AVE N STE G4
NASHVILLE, TN 37203
Nurse Practitioner (Family)
300 20TH AVE N STE G4
NASHVILLE, TN 37203

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 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.

Where is Gregory Wigger located?

Gregory Wigger practices at 300 20th Ave N Ste G4, Nashville, TN 37203. The listed phone number is (615) 284-5098.

What is Gregory Wigger's specialty?

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

Is Gregory Wigger enrolled in Medicare?

Yes. Gregory Wigger 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 Gregory Wigger 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 5 other insurers list Gregory Wigger 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 Gregory Wigger affiliated with any hospitals?

According to CMS data, Gregory Wigger is affiliated with Sumner Regional Medical Center, Saint Thomas Rutherford Hospital, Ascension Saint Thomas Hospital and Saint Thomas Hickman Hospital.

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 12 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.