Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WILLIAM R BASTNAGEL MD
NPI 1558328161
Internal Medicine - Nephrology in Memphis, TN

Q: What is William Bastnagel's NPI number?

The NPI number for William Bastnagel is 1558328161. It was assigned to this individual provider in the NPPES registry on April 27, 2006.

Q: What is William Bastnagel's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for William Bastnagel was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days 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 27, 2006PECOS Enrolled

1910 NONCONNAH BLVD, SUITE 120, MEMPHIS, TN 38132(901) 448-2300(901) 448-6657 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. William R Bastnagel Md NPPES

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

DR. WILLIAM R BASTNAGEL MD (NPI 1558328161) is an individual nephrology provider in Memphis, Tennessee, licensed in Tennessee (15168) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1558328161

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameDR. WILLIAM R BASTNAGELCredential: MD

Location Address1910 NONCONNAH BLVD, SUITE 120Memphis, TN 38132-2113

Mailing Address66 N Pauline St, Suite 206Memphis, TN 38105-5105 · (901) 448-7642 · Fax (901) 448-8015

Phone(901) 448-2300

Fax(901) 448-6657

Sole ProprietorNo

Enumeration DateApril 27, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1558328161 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in TN · 15168

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

1910 NONCONNAH BLVD, Memphis, TN 38132

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Other Identifiers 1

Medicaid3021754TN

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William R Bastnagel Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 3

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.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

128 services125 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

59 services56 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

54 services54 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 38132 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 20

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

DR. JOEL R SLADE MD

Anesthesiology