DR. WILLIAM F ALEXANDER M.D.
NPI 1609848738
Internal Medicine - Gastroenterology in Nashville, TN

Active since February 02, 2006PECOS EnrolledAccepts Medicare Assignment
343 22ND AVE N, NASHVILLE, TN 37203(615) 327-7835(615) 321-4146 Get Directions Write a Review

NPPES record last updated: April 12, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 12, 2021, May 10, 2017 (2 updates tracked since 2017).

About Dr. William F Alexander M.d. NPPES

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

DR. WILLIAM F ALEXANDER M.D. (NPI 1609848738) is an individual gastroenterology provider in Nashville, Tennessee, licensed in Tennessee (MD0000018809) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Saint Thomas Rutherford Hospital, and is a graduate of University Of North Carolina At Chapel Hill School Of Medicine (1983).

NPPES Registry Identity

NPI1609848738
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. WILLIAM F ALEXANDERCredential: M.D.
Location Address343 22ND AVE NNashville, TN 37203-1841
Mailing Address3024 Business Park CirGoodlettsville, TN 37072-3132 · (615) 851-6033 · Fax (615) 851-2018
Fax(615) 321-4146
Sole ProprietorNo
Medical School CMSUniversity Of North Carolina At Chapel Hill School Of MedicineGraduated 1983
Enumeration DateFebruary 2, 2006
Last NPPES UpdateApril 12, 20212 updates tracked since enumeration
NPPES CertifiedApril 12, 2021
NPI 1609848738 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 TN · MD0000018809
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.
343 22ND AVE N, Nashville, TN 37203

Other Identifiers 4

Medicaid3034434TN
Other6034412TN · Bcbs Tn
Medicaid3034431TN
Medicaid64913668KY

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. William F Alexander 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 ID1557432705
PECOS Enrollment IDI20080617000194
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.

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
95 services75 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.
65 services47 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.
61 services60 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.
47 services46 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.
39 services39 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.
26 services26 patients

Hospital Affiliations CMS Care Compare 5

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

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 River Park Hospital

Acute Care Hospitals · Mcminnville, TN
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440151
Location1559 Sparta StreetMcminnville, TN 37110 · Warren County
Emergency services Birthing friendly

Regional One Health

Acute Care Hospitals · Memphis, TN
1/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number440152
Location877 Jefferson AvenueMemphis, TN 38103 · Shelby County
Emergency services Birthing friendly

Livingston Regional Hospital

Acute Care Hospitals · Livingston, TN
2/5 CMS rating
OwnershipProprietary
CMS Certification Number440187
Location315 Oak St Box 550Livingston, TN 38570 · Overton 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.

Other Providers at the Same Location NPPES

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

Internal Medicine (Gastroenterology)
343 22ND AVE N
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 William Alexander's NPI number?

The NPI number for William Alexander is 1609848738. It was assigned to this individual provider in the NPPES registry on February 2, 2006.

Where is William Alexander located?

William Alexander practices at 343 22nd Ave N, Nashville, TN 37203. The listed phone number is (615) 327-7835.

What is William Alexander's specialty?

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

Is William Alexander enrolled in Medicare?

Yes. William Alexander 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 William Alexander 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 William Alexander 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 William Alexander affiliated with any hospitals?

According to CMS data, William Alexander is affiliated with Saint Thomas Rutherford Hospital, Ascension Saint Thomas Hospital, Saint Thomas River Park Hospital, Regional One Health and Livingston Regional Hospital.

When was this NPI record last updated?

The NPPES record for William Alexander was last updated on April 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.